1. Primary controls include the gearshift lever, steering wheel, and _______________.
Answer
Correct Answer:
Accelerator
Note: This Question is unanswered, help us to find answer for this one
2. In manufacturing, a(n) __________ is used to produce large quantities of a few types of products.
Answer
Correct Answer:
Assembly-line layout
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3. The flow rate of a liquid is _______.
Answer
Correct Answer:
Directly proportional to the pressure gradient
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4. In __________, materials are physically or chemically changed to produce a product.
Answer
Correct Answer:
Process manufacturing
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5. Prior to the implementation of total quality management, defective items were ________.
Answer
Correct Answer:
Scrapped or reworked
Note: This Question is unanswered, help us to find answer for this one
6. The main goal of utilizing a mass customization production system is to ________.
Answer
Correct Answer:
Produce a customized product at almost the rate of mass production while achieving customer satisfaction
Note: This Question is unanswered, help us to find answer for this one
7. The goal achieved by using mass production is to ________.
Answer
Correct Answer:
Produce large quantities of goods at a low cost
Note: This Question is unanswered, help us to find answer for this one
8. When referring to flexible manufacturing, it is true that it ________.
Answer
Correct Answer:
Uses machines designed to perform multiple tasks so they can be used to produce a variety of products
Note: This Question is unanswered, help us to find answer for this one
9. A shorter electromagnetic wave is _____.
Answer
Correct Answer:
More powerful
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10. A stone submerged in water displaces the _________.
Answer
Correct Answer:
Volume of water
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11. ________ involves the use of computers to direct manufacturing processes.
Answer
Correct Answer:
Computer-aided manufacturing
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12. The shear stress is a maximum where the velocity is __________.
Answer
Correct Answer:
One half
Note: This Question is unanswered, help us to find answer for this one
13. The production manager is responsible for all of the following except ________.
Answer
Correct Answer:
Preparing financial reports
Note: This Question is unanswered, help us to find answer for this one
14. Which of the following options are the correct characteristics of the oil-tempered wire?
Answer
Correct Answer:
It is cold drawn and quenched. It is tempered and general purpose spring steel.
Note: This question has more than 1 correct answers
Note: This Question is unanswered, help us to find answer for this one
15. Consider the two timber posts that measure 150 millimeters square and 4 meters high. These posts are subjected to an axial load of 108 kN each. How much will they be shorten because of the load, if one post is made of pine timber (E = 7800 MPa)and the other of Australian blackwood (E = 15300 MPa)?
Answer
Correct Answer:
Pine = 4.5 mm, Blackwood = 0.9 mm
Note: This Question is unanswered, help us to find answer for this one
16. Express the change in internal energy of the system when no work is done on the system but a certain amount of heat, say q, is taken out from the system and given to the surroundings.
Answer
Correct Answer:
∆U = - q
Note: This Question is unanswered, help us to find answer for this one
17. Which of the following options can be exchanged in a closed system?
Answer
Correct Answer:
Energy
Note: This Question is unanswered, help us to find answer for this one
18. In relation to bending stress, what is the correct value of bending or flexural modulus (Eb), if P is the normal force, L is the beam length, w is the beam width, t is the beam thickness, and y is the deflection at load point?
Answer
Correct Answer:
Eb = PL3/4wt3y
Note: This Question is unanswered, help us to find answer for this one
19. Consider a circular hollow tube made of steel which is used for supporting a compressive load of 600 kN. The inner diameter of the tube is 90 mm and the outer diameter is 130 mm. What is the compressive stress, if the length of the tube is 1000 mm?
Answer
Correct Answer:
-102.5 MPa
Note: This Question is unanswered, help us to find answer for this one
20. What is the amount of heat absorbed if two litres of an ideal gas at a pressure of 10 atm expands isothermally into a vacuum until its total volume becomes 10 liters?
Answer
Correct Answer:
8 liter-atm
Note: This Question is unanswered, help us to find answer for this one
21. What is the value of the standard molar enthalpies of formation at 298K of NaCl(s)?
Answer
Correct Answer:
-411.15 kJ/mol
Note: This Question is unanswered, help us to find answer for this one
22. What is the ratio of the lateral strain to the linear strain called?
Answer
Correct Answer:
Poisson's ratio
Note: This Question is unanswered, help us to find answer for this one
23. Calculate the angular velocity of a body whose rotations per minute is 60.
Answer
Correct Answer:
6.28 radians per second
Note: This Question is unanswered, help us to find answer for this one
24. What is the value of the point angle of a twist drill?
Answer
Correct Answer:
118º
Note: This Question is unanswered, help us to find answer for this one
25. A jig is a device which is used to:
Answer
Correct Answer:
hold and locate a workpiece as well as guide and control cutting tools.
Note: This Question is unanswered, help us to find answer for this one
26. The ability of a material to embed small particles of dust, grit etc. is known as ___________.
Answer
Correct Answer:
embeddability
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27. The broaching operation in which the workpiece moves across the stationary tool is known as _______.
Answer
Correct Answer:
continuous broaching
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28. In involute gears the pressure angle __________ as the gear engages or disengages.
Answer
Correct Answer:
remains constant
Note: This Question is unanswered, help us to find answer for this one
29. The bolt and nut is an example of a:
Answer
Correct Answer:
screw pair
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30. The radius of a shaft is 5 millimeters. The shear stress on that shaft is 50 newtons per square millimeter and the polar moment of inertia is 10 (millimeters)4. Calculate the twisting moment on that shaft.
Answer
Correct Answer:
100 newton millimeters
Note: This Question is unanswered, help us to find answer for this one
31. What type of gear is used to transmit power at constant velocity ratio between two shafts the axes of which intersect at an angle?
Answer
Correct Answer:
Bevel gear
Note: This Question is unanswered, help us to find answer for this one
32. __________ is the angle made by the face of the tool and the parallel plane to the base of the cutting tool.
Answer
Correct Answer:
Rake angle
Note: This Question is unanswered, help us to find answer for this one
33. In a programmed evaluation and review technique, if the slack of an activity is negative, then what can be stated for the project completion?
Answer
Correct Answer:
Additional resources are required to complete the project in time.
Note: This Question is unanswered, help us to find answer for this one
34. Calculate the coefficient of friction of a body whose limiting friction of which is 10 newtons and the value of the normal reaction is 5.
Answer
Correct Answer:
2
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35. The smallest circle drawn to the cam profile is known as ________.
Answer
Correct Answer:
base circle
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36. Which type of organization among the following has a straight flow of authority within a single unit?
Answer
Correct Answer:
Line organization
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37. The shortest time in which an activity can be completed is known as:
Answer
Correct Answer:
optimistic time
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38. Calculate the circular pitch of a gear whose pitch circle diameter is 12.74 millimeters and the number of teeths on gear wheel are 20.
Answer
Correct Answer:
2 millimeters
Note: This Question is unanswered, help us to find answer for this one
39. ___________ is that type of motion in which there is reduction in amplitude over every cycle of vibration.
Answer
Correct Answer:
Damped vibration
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40. _______________ is a beam having its end portion extended beyond the support.
Answer
Correct Answer:
Overhanging beam
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41. Within which angular range is the shear stress maximum if a body is subjected to tensile stress in one plane?
Answer
Correct Answer:
45º and 135º
Note: This Question is unanswered, help us to find answer for this one
42. What effect does the grain size of a cutting tool have on the tool life?
Answer
Correct Answer:
Tool life increases
Note: This Question is unanswered, help us to find answer for this one
43. The milling operation of producing surfaces of irregular shape is known as:
Answer
Correct Answer:
Form milling
Note: This Question is unanswered, help us to find answer for this one
44. If M - bending moment, I - moment of inertia, E - young's modulus of elasticity and R - radius of curvature then, which of the following is the correct bending equation for a beam?
Answer
Correct Answer:
M/I = E/R
Note: This Question is unanswered, help us to find answer for this one
45. What is the value of entropy of a substance at absolute zero temperature?
Answer
Correct Answer:
0
Note: This Question is unanswered, help us to find answer for this one
46. _____________ is the operation of enlarging a previously drilled hole.
Answer
Correct Answer:
Boring
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47. If we have to choose a grinding wheel having the least hardness, which grade of grinding wheel should be chosen?
Answer
Correct Answer:
Grade A to H
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48. In a simple harmonic motion, number of cycles produced per second is known as:
Answer
Correct Answer:
frequency.
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49. Which type of welding is obtained if there is an excess of acetylene?
Answer
Correct Answer:
Reducing flame
Note: This Question is unanswered, help us to find answer for this one
50. A process in which gas is heated such that the product of its pressure and volume remains constant is known as
Answer
Correct Answer:
hyperbolic process
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51. What is the value of universal gas constant in SI units?
Answer
Correct Answer:
8314 joules per kilogram mole kelvin
Note: This Question is unanswered, help us to find answer for this one
52. If the motion between a pair takes place in more than one direction, then this kind of motion is termed as ___________.
Answer
Correct Answer:
incompletely constrained motion
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53. Calculate the mechanical efficiency of an engine whose brake power is 20 watts and indicated power is 40 watts.
Answer
Correct Answer:
50%
Note: This Question is unanswered, help us to find answer for this one
54. The resultant of two forces A and B is Q. If A is doubled and the new resultant is perpendicular to A, then:
Answer
Correct Answer:
A=Q
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55. In which, among the following scavenging methods, are the inlet and the outlet ports situated on the same side of the engine cylinder?
Answer
Correct Answer:
Loop scavenging method
Note: This Question is unanswered, help us to find answer for this one
56. Due to which of the following properties does molding sand adhere to the sides of the molding box?
Answer
Correct Answer:
Adhesiveness
Note: This Question is unanswered, help us to find answer for this one
57. The process to improve the fatigue resistance in metals by producing compressive stresses in its surface is known as ________.
Answer
Correct Answer:
cold peening
Note: This Question is unanswered, help us to find answer for this one
58. In which, among the following engine strokes, is the firing of the vaporized fuel carried out?
Answer
Correct Answer:
expansion stroke
Note: This Question is unanswered, help us to find answer for this one
59. In which among the following wage incentive plans is the worker paid according to the number of units of work produced by him?
Answer
Correct Answer:
Straight piece work system
Note: This Question is unanswered, help us to find answer for this one
60. In which, among the following governing methods, is a control valve fitted in the fuel delivery pipe in order to control the quantity of fuel mixed in the charge?
Answer
Correct Answer:
Qualitative governing
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61. Which type of thread is used in bench vices in manufacturing units?
Answer
Correct Answer:
Acme thread
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62. How many revolutions of crankshaft does it take to complete one working cycle in a four stroke engine?
Answer
Correct Answer:
2
Note: This Question is unanswered, help us to find answer for this one
63. The forces which meet at one point but whose lines of action lie on different points are known as ______________.
Answer
Correct Answer:
Non co-planar concurrent forces
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64. In which type of welding is a mixture of Iron oxide and Aluminum used?
Answer
Correct Answer:
Thermit welding
Note: This Question is unanswered, help us to find answer for this one
65.
A solar collector receiving solar radiation at the rate of 0.6 kW/m2 transforms it into the internal energy of a fluid at an overall efficiency of 50%. The fluid heated to 350 K is used to run a heat engine which rejects heat at 313 K. If the heat engine is to deliver 2.5 kW power, the minimum area (in sq. meters) of the solar collector required would be:
Answer
Correct Answer:
79.36
Note: This Question is unanswered, help us to find answer for this one
66. Up to which point in a stress-strain curve is Hooke's law applicable?
Answer
Correct Answer:
Elastic limit
Note: This Question is unanswered, help us to find answer for this one
67. A couple of two bodies produces which type of motion?
Answer
Correct Answer:
Rotational motion
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68. In which, among the following systems, does no heat or work cross its boundary?
Answer
Correct Answer:
Isolated system
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69. The petrol engine works on ___________.
Answer
Correct Answer:
Otto cycle
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70. The compression ratio of a diesel engine is:
Answer
Correct Answer:
15 to 25
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71. According to the Boyle's law:
Answer
Correct Answer:
pressure is inversely proportional to volume.
Note: This Question is unanswered, help us to find answer for this one
72. Which among the following types of chips is usually produced during the machining of brittle materials?
Answer
Correct Answer:
Discontinuous chips
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73. Which plant layout is known as 'functional layout' or 'analytical layout'?
Answer
Correct Answer:
Process layout
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74. Which among the following is a spring controlled governor?
Answer
Correct Answer:
Hartnell governor
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75. Which among the following is the correct range of value for the included angle of a V-belt?
Answer
Correct Answer:
30º to 40º
Note: This Question is unanswered, help us to find answer for this one
76. Calculate the centrifugal force for a body moving in a circular path, given that the mass of the body is 10 kilogram, its angular velocity is 10 radians per second and the radius of the circular path is 10 meters.
Answer
Correct Answer:
10000 newtons
Note: This Question is unanswered, help us to find answer for this one
77. Which branch of engineering mechanics deals with the force which acts upon bodies at rest?
Answer
Correct Answer:
Statics
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78. Which of the following devices is used for atomizing and vaporizing the fuel before mixing it with air in varying proportions?
Answer
Correct Answer:
Q = W + E
Note: This Question is unanswered, help us to find answer for this one
79. What are the axes in Mohr's circle diagram?
Answer
Correct Answer:
X - axis : Normal Stress, Y - axis : Shear Stress
Note: This Question is unanswered, help us to find answer for this one
80. Which of these is a method for visualizing and analyzing fluid flow?
Answer
Correct Answer:
Particle image velocimetry
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81. Which of these is NOT a type of truss?
Answer
Correct Answer:
Thomas truss
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82. What is the function of unloaders in a reciprocating compressors design?
Answer
Correct Answer:
To decrease the compressor capacity
Note: This Question is unanswered, help us to find answer for this one
83. What type of loading is applied to a coil spring in compression?
Answer
Correct Answer:
Torsion
Note: This Question is unanswered, help us to find answer for this one
84. For a machine resting on four legs, how do you describe the leg not carrying equal weight to the other three?
Answer
Correct Answer:
The soft foot
Note: This Question is unanswered, help us to find answer for this one
85. What is the static head pressure of a column of water 2 ft high?
Answer
Correct Answer:
.866 psi
Note: This Question is unanswered, help us to find answer for this one
86. What is the SI unit for thermal resistance?
Answer
Correct Answer:
Kelvins per Watt
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87. What is the term for the horizontal portion of a chimney draft system extending from combustion equipment?
Answer
Correct Answer:
Breeching
Note: This Question is unanswered, help us to find answer for this one
88. When dimensioning drawings with Inches which of these is the correct format?
Answer
Correct Answer:
.05±.01
Note: This Question is unanswered, help us to find answer for this one
89. For a completely isolated system, what is the entropy at thermodynamic equilibrium?
Answer
Correct Answer:
maximum
Note: This Question is unanswered, help us to find answer for this one
90. Which thermodynamic cycle is ideally isobaric?
Answer
Correct Answer:
Brayton cycle
Note: This Question is unanswered, help us to find answer for this one
91. What is the ratio of the molar volume of a gas to the molar volume of an ideal gas at the same temperature and pressure?
Answer
Correct Answer:
Compressibility factor
Note: This Question is unanswered, help us to find answer for this one
92. In relation to O-Ring sealing, what are back up seals.
Answer
Correct Answer:
Additional rings which help prevent O-Ring extrusion
Note: This Question is unanswered, help us to find answer for this one
93. Water can be raised in temperature by means of what type of energy?
Answer
Correct Answer:
Sensible heat
Note: This Question is unanswered, help us to find answer for this one
94. Doubling the thickness of a rectangular cantilever beam will do what to the stiffness?
Answer
Correct Answer:
The beam becomes 8x stiffer.
Note: This Question is unanswered, help us to find answer for this one
95. Cogeneration commonly combines the production of what two forms of energy?
Answer
Correct Answer:
Electricity and Steam
Note: This Question is unanswered, help us to find answer for this one
96. In a heat exchanger application, what value does the term "temperature delta" refer to?
Answer
Correct Answer:
The difference in temperature between supply and return on one side of the system
Note: This Question is unanswered, help us to find answer for this one
97. A four bar linkage system meets the Grashof condition if:
Answer
Correct Answer:
The shortest link can rotate fully with respect to a neighboring link.
Note: This Question is unanswered, help us to find answer for this one
98. What type of fuel oil pump will deliver consistent pressure and volume with minimal fluctuations to combustion eqiupment?
Answer
Correct Answer:
A positive displacement pump
Note: This Question is unanswered, help us to find answer for this one
99. What machinability rating has the American Iron and Steel Institute (AISI) given to AISI No. 1112 carbon steel?
Answer
Correct Answer:
100%
Note: This Question is unanswered, help us to find answer for this one
100. What two fuel types are commonly incorporated into dual fuel burner design?
Answer
Correct Answer:
Natural gas and fuel oil
Note: This Question is unanswered, help us to find answer for this one
101. Cooling tons are calculated as the amount of heat energy needed to turn one ton of ice into water over what time period?
Answer
Correct Answer:
24 hours
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102. What quality should shock resisting steel posses?
Answer
Correct Answer:
High Toughness
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103. According to Bernoulli's principle, what happens in an ideal fluid with a decrease in pressure?
Answer
Correct Answer:
increase in speed
Note: This Question is unanswered, help us to find answer for this one
104. True or False: The force needed to extend a spring by a certain distance is inversely proportional to that distance.
Answer
Correct Answer:
False
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105. What are the units for a moment of inertia?
Answer
Correct Answer:
kg.m^2
Note: This Question is unanswered, help us to find answer for this one
106. What is the name of the 3 valve configuration designed to continuously vent unwanted fuel away from it's point of use?
Answer
Correct Answer:
Block and bleed
Note: This Question is unanswered, help us to find answer for this one
107. According to Newton's first law, if the vector sum of all forces acting on a body is zero, then its:
Answer
Correct Answer:
velocity is constant
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108. What is the force that prevents a material from being torn apart?
Answer
Correct Answer:
Tensile strength
Note: This Question is unanswered, help us to find answer for this one
109. Which law of thermodynamics captures the idea that higher temperature materials will always gravitate toward cooler temperatures?
Answer
Correct Answer:
The second law of Thermodynamics
Note: This Question is unanswered, help us to find answer for this one
110. How do we describe the process for determining the magnitudes of the components of a vector directed in two dimensions?
Answer
Correct Answer:
Vector Resolution
Note: This Question is unanswered, help us to find answer for this one
111. What is the maximum allowable working pressure for a low pressure steam boiler?
Answer
Correct Answer:
15 psi
Note: This Question is unanswered, help us to find answer for this one
112. Approximately how much does one gallon of water weigh?
Answer
Correct Answer:
8.33 lbs
Note: This Question is unanswered, help us to find answer for this one
113. Place these in the correct order for torsion: T,L,J,theta
Answer
Correct Answer:
TL/Jtheta
Note: This Question is unanswered, help us to find answer for this one
114. Which of these is a method used to evaluate new product ideas?
Answer
Correct Answer:
SWOT analysis
Note: This Question is unanswered, help us to find answer for this one
115. What is the term for the cutting process where the tool and cutting surface are perpendicular to each other?
Answer
Correct Answer:
Orthogonal cutting
Note: This Question is unanswered, help us to find answer for this one
116. Which is the most common stress used to evaluate the yielding of ductile materials?
Answer
Correct Answer:
Von Mises Stress
Note: This Question is unanswered, help us to find answer for this one
117. What is designed into gear sets to provide the proper amount of teeth clearance to avoid binding?
Answer
Correct Answer:
Backlash
Note: This Question is unanswered, help us to find answer for this one
118. What kind of an engine does an Otto cycle describe?
Answer
Correct Answer:
spark ignition
Note: This Question is unanswered, help us to find answer for this one
119. What can be done to increase the capacity of a plate frame heat exchanger?
Answer
Correct Answer:
Install additional plates
Note: This Question is unanswered, help us to find answer for this one
120. Which of these is NOT a state function?
Answer
Correct Answer:
heat
Note: This Question is unanswered, help us to find answer for this one
121. What is another name for a gear traing's torque ratio?
Answer
Correct Answer:
mechanical advantage
Note: This Question is unanswered, help us to find answer for this one
122. When a material is compressed in one direction, it tends to expand in the other two directions perpendicular to the direction of compression. What is this effect called?
Answer
Correct Answer:
Poisson Effect
Note: This Question is unanswered, help us to find answer for this one
123. What is the function of a feeler gauge?
Answer
Correct Answer:
To check thickness of clearance
Note: This Question is unanswered, help us to find answer for this one
124. What force describes the principle of Newton's second Law of Motion that objects naturally resist changes to their course of motion?
Answer
Correct Answer:
Inertia
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125. What is the purpose of simple machines such as pulleys and levers?
Answer
Correct Answer:
To create mechanical advantage.
Note: This Question is unanswered, help us to find answer for this one
126. Which chemical can be added to a closed loop system to prevent freezing?
Answer
Correct Answer:
Glycol
Note: This Question is unanswered, help us to find answer for this one
127. What type of deformation may take place when large amounts of tensile strain are localized in a small area of a material?
Answer
Correct Answer:
Necking
Note: This Question is unanswered, help us to find answer for this one
128. Which term is used to describe the angle of the cutting face relative to the cutting work?
Answer
Correct Answer:
Rake angle
Note: This Question is unanswered, help us to find answer for this one
129. Which of these factors least affects the heat dissipation by a heat sink?
Answer
Correct Answer:
mechanical pressure on heat sink
Note: This Question is unanswered, help us to find answer for this one
130. What is constant in an isochoric process?
Answer
Correct Answer:
volume
Note: This Question is unanswered, help us to find answer for this one
131. What is the unit of measurement defined as "the amount of heat needed to raise 1 pound of water 1 degree"?
Answer
Correct Answer:
BTU
Note: This Question is unanswered, help us to find answer for this one
132. Which stress acts in parallell with the cross section of a material?
Answer
Correct Answer:
shear
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133. What is the simple mechanics description of a force acting upon an object to cause a displacement of the object?
Answer
Correct Answer:
Work
Note: This Question is unanswered, help us to find answer for this one
134. Which mechanism can convert rotational motion to reciprocating motion?
Answer
Correct Answer:
slider-crank
Note: This Question is unanswered, help us to find answer for this one
135. How many degrees of freedom does a rigid body have in three dimensional space?
Answer
Correct Answer:
six
Note: This Question is unanswered, help us to find answer for this one
136. Which type of gear meshing should be employed to transmit torque to a linear force?
Answer
Correct Answer:
Rack and Pinion
Note: This Question is unanswered, help us to find answer for this one
137. Which of these is a turbine for hydro power?
Answer
Correct Answer:
Pelton wheel
Note: This Question is unanswered, help us to find answer for this one
138. What is one advantage of multi-stage centrifugal pump configurations over single-stage centrifugal pump configurations?
Answer
Correct Answer:
Higher pressures can be derived
Note: This Question is unanswered, help us to find answer for this one
139. What is a tool used for stamping metal by a press?
Answer
Correct Answer:
die
Note: This Question is unanswered, help us to find answer for this one
140. What term describes the calculations related to objects with greater than zero velocity?
Answer
Correct Answer:
Dynamics
Note: This Question is unanswered, help us to find answer for this one
141. What are the three basic methods of heat tranfser?
Answer
Correct Answer:
Conduction, Convection and Radiation
Note: This Question is unanswered, help us to find answer for this one
142. How do we describe the property of an object or material which will restore it to its original shape after distortion?
Answer
Correct Answer:
Elasticity
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143. True or False: All matter with a temperature greater than absolute zero emits thermal radiation.
Answer
Correct Answer:
True
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144. Total mechanical energy is the sum of what two forms of energy?
Answer
Correct Answer:
Kinetic Energy and Potential Energy
Note: This Question is unanswered, help us to find answer for this one
145. Which of these manufacturing processes involves pouring liquid metal into a mould?
Answer
Correct Answer:
casting
Note: This Question is unanswered, help us to find answer for this one
146. Newton's law of cooling states that the rate of heat loss of a body is proportional to:
Answer
Correct Answer:
the difference in temperatures between the body and its surroundings
Note: This Question is unanswered, help us to find answer for this one
147. True or False: A perfect Carnot heat engine cannot be built in reality.
Answer
Correct Answer:
True
Note: This Question is unanswered, help us to find answer for this one
148. True or False: Silicon can be used to make microelectromechanical systems.
Answer
Correct Answer:
True
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149. The set of equations used to describe motion?
Answer
Correct Answer:
Kinematic
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150. What is the result of continous cyclic loads on a metal object?
Answer
Correct Answer:
Metal fatigue
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151. Which value must be calculated into piping system designs?
Answer
Correct Answer:
Expansion coefficient
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152. What is defined as the ratio of tensile stress to tensile strain?
Answer
Correct Answer:
Young's modulus
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153. What are the units for Reynold's number?
Answer
Correct Answer:
no dimensions
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154. What is the measure of a fluid's resistance to gradual deformation by shear stress or tensile stress?
Answer
Correct Answer:
viscosity
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155. Which if these is NOT a component of aerodynamic force?
Answer
Correct Answer:
pinch
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156. Which device is used to store rotational energy?
Answer
Correct Answer:
flywheel
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157. What is the rotational force exerted by a spinning shaft?
Answer
Correct Answer:
Torque
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158. What does ASME stand for?
Answer
Correct Answer:
American Society of Mechanical Engineers
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159. How is the heat energy that changes the state of an object but not its temperature described?
Answer
Correct Answer:
Latent heat
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160. True or False: Vapour compression used in most household refrigerators is a non-cyclic process.
Answer
Correct Answer:
False
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161. Why are fan assemblies usually designed with spring isolators?
Answer
Correct Answer:
To minimize vibration
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162. What is an upward force exerted by a fluid that opposes the weight of an immersed object?
Answer
Correct Answer:
buoyancy
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163. What is the density of water?
Answer
Correct Answer:
1000 kg/m^3
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164. What describes the effect of a material expanding in the directions perpendicular to its direction of compression?
Answer
Correct Answer:
Poisson Effect
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165. Which fieldlines are instantaneously tangent to the velocity vector of flow?
Answer
Correct Answer:
streamlines
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166. Which machine tool rotates the workpiece on its axis?
Answer
Correct Answer:
lathe
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167. What is the lowest stress that produces a permanent deformation in a material?
Answer
Correct Answer:
Yield strength
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168. Which of these processes involves melting the workpieces?
Answer
Correct Answer:
welding
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169. The reduction in effectiveness of a vehicular brake is called:
Answer
Correct Answer:
brake fade
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170. What is a term for heat transfer between two objects in contact, driven by a constant temperature difference?
Answer
Correct Answer:
steady state conduction
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171. What is the term for the ability of a material to withstand the force of being pulled apart?
Answer
Correct Answer:
Tensile strength
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172. What must happen to fuel oil at the burner for efficient combustion?
Answer
Correct Answer:
Atomization
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173. Which fan configuration is designed to add energy to airflow passing straight through the fan blades?
Answer
Correct Answer:
Axial fan configuration
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174. As related to steam production, what do the letters BHP stand for?
Answer
Correct Answer:
Boiler horsepower
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175. Creep is the tendency of a solid to:
Answer
Correct Answer:
deform permanently under mechanical stress
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176. What aspect of machine virabtion is described in cycles per second?
Answer
Correct Answer:
Frequency
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