Mechanical Engineering Quiz # 49

What does the word "laminated" mean?

Made of thin layers

Covered in a sticky substance

To beat severely

Having a smooth surface

What is a shim?

A thin metal sheet used to fill in spaces between objects.

A tool used to sharpen knives

A type of bread

A unit of measurement.

What is the land?

A large area of uncultivated ground

An area of level ground

The portion of the piston between two grooves carrying the piston rings.

The metal ring placed in the groove of a piston to provide a seal

What is a Lanova cell?

A type of bacteria

A special combustion chamber for diesel engines of high rotary speeds.

A Russian aircraft manufacturer

The capital of Latvia

What does the lb. abbreviation stand for?

Long ton

Pennyweight

Pound

Litre

What is a lean mixture?

A mixture in which the proportion of air to fuel cannot be determined.

A mixture in which the proportion of air to fuel is equal to that theoretically necessary for completes combustion.

A mixture in which the proportion of air to fuel is greater than that theoretically necessary for completes combustion.

A mixture in which the proportion of air to fuel is less than that theoretically necessary for completes combustion.

What is linear motion?

Motion that is not changing.

Motion in a curved line.

Motion in a straight line.

Motion at a constant speed.

What is the removable inner engine cylinder in contact with the piston called?

Liner

Slave

Master

Crankshaft

What is the useful output of an engine at a given moment?

Speed

Horsepower

Load

Torque

What is the main purpose of a lubricant?

To reduce friction

To stop motion

To increase friction

To create motion

What is a lubricating pump?

A device used to pump water

A device used to measure the pressure of a fluid.

A pump which handles lubricating oil in an engine.

A device used to pump oil

What is a manifold?

A large room

A machine with many moving parts

An event with many participants

A pipe with a number of inlets to, or outlets from, the several cylinders of an engine.

What is a manometer?

A device that measures the mass of an object.

A U-shaped glass tube, partly filled with a liquid, water or mercury, employed to measure pressure.

A device that measures the density of an object.

A device that measures the volume of an object.

What does MEP stand for?

Mean Effective Pressure

Minimum Efficiency Pressure

Mean Endurance Pressure

Main Engine Pump

What is the ratio of brake horsepower to indicated horsepower?

Horsepower

Indicated horsepower

Mechanical efficiency

Brake horsepower

What is Mechanical Injection?

A device that uses air pressure to inject

A device that uses mechanicalforce to inject

Injection with the fuel-valve operated mechanically from a cam.

A device that uses manual force to inject.

What is the mechanism called that does work by means of a ready source of energy?

Motor

Combustion

Automobile

Engine

The clearance volume of a compressor cylinder is the ____.

Amount of refrigerant vapor the compressor cylinder will hold during each stroke

Volume by which the compressor is rated

Volume of the space between the bottom of the valve plate and the top of the piston at top dead-center

The total volume of the cylinder when the piston is at the bottom dead-center

An (a) __________ reaction liberates heat and the temperature of the reaction mixture increases.

Exothermic

Endothermic

Calorimeter

Thermometer

None of the above

In __________, materials are physically or chemically changed to produce a product.

Utilitarian production

Assembly process.

Process manufacturing

All of these

The flow rate of a liquid is _______.

Directly proportional to the pressure gradient and the resistance

Inversely proportional to the pressure gradient

Directly proportional to the resistance

Directly proportional to the pressure gradient

Dr. ishikawa is best known for developing a popular quality improvement tool called _____.

Cause-and-effect diagram.

Quality planning.

Quality control.

Quality improvement.

Quality manual

In manufacturing, a(n) __________ is used to produce large quantities of a few types of products.

Assembly-line layout

Process layout

Modular layout

Fixed-position layout

Primary controls include the gearshift lever, steering wheel, and _______________.

Accelerator

Radio

Ignition

HVAC.