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Production Engineering MCQ

1. Suvs have higher _______________ and bumpers.

Stability

Brake

Headlights

Features

Answer

Correct Answer: Headlights

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2. Drilling is an example of

Simple cutting

Uniform cutting

Orthogonal cutting

Oblique cutting

Answer

Correct Answer: Oblique cutting

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3. The different spindle speeds on a lathe form

Any one of these

Harmonical progression

Arithmetical progression

Geometrical progression

Answer

Correct Answer: Geometrical progression

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4. Twist drills are made of

Carbon steel

Stainless steel

High speed steel

Either high speed steel or carbon steel

Answer

Correct Answer: Either high speed steel or carbon steel

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5. In orthogonal cutting system, the maximum chip thickness occurs at the middle.

Incorrect

Correct

Answer

Correct Answer: Correct

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6. The method of grinding used to produce a straight or tapered surface on a workpiece, is

External cylindrical grinding

Form grinding

Internal cylindrical grinding

Surface grinding

Answer

Correct Answer: External cylindrical grinding

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7. The correct sequence of tool materials in increasing order of their ability to retain their hot hardness is

Carbide, ceramic, cermet, borazon

Cermet, carbide, ceramic, borazon

Borazon, ceramic, carbide, cermet

Ceramic, carbide, borazon, cermet

Answer

Correct Answer: Cermet, carbide, ceramic, borazon

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8. In order to prevent tool from rubbing the work __________ on tools are provided.

Rake angles

Relief angles

Answer

Correct Answer: Relief angles

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9. A drill considered as a cutting tool having zero rake, is known as a

Flat drill

Parallel shank twist drill

Tapered shank twist drill

Straight fluted drill

Answer

Correct Answer: Straight fluted drill

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10. Cast iron during machining produces

Continuous chips with built-up-edge

None of these

Continuous chips

Discontinuous chips

Answer

Correct Answer: Discontinuous chips

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11. Segmental chips are formed during machining

Cast iron

Mild steel

High carbon steel

High speed steel

Answer

Correct Answer: Cast iron

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12. The rake angle required to machine brass by high speed steel tool is

-10°

0°

10°

20°

Answer

Correct Answer: 0°

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13. Which of the following statement is wrong about ultra-sonic machining?

It is best suited for machining hard and brittle materials.

It produces good surface finish.

It cuts materials at very slow speeds.

It removes large amount of material.

Answer

Correct Answer: It removes large amount of material.

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14. A single point thread cutting tool should ideally have

Point angle

Negative rake angle

Positive rake angle

Zero rake angle

Answer

Correct Answer: Zero rake angle

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15. Cemented carbide tool tips are produced by powder metallurgy.

False

True

Answer

Correct Answer: True

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16. The average cutting speed for turning brass with a high speed steel tool is

90 to 120 m/min

60 to 90 m/min

15 to 19 m/min

25 to 31 m/min

Answer

Correct Answer: 60 to 90 m/min

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17. When the cutting edge of the tool is dull, then during machining

No chips are formed

Continuous chips are formed

Discontinuous chips are formed

Continuous chips with built-up edge are formed

Answer

Correct Answer: Continuous chips with built-up edge are formed

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18. If the diameter of the hole is subject to considerable variation, then for locating in jigs and fixtures, the pressure type of locator used is

Conical locator

Diamond pin locator

Vee locator

Cylindrical locator

Answer

Correct Answer: Conical locator

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19. The cutting tool in a milling machine is mounted on

Knee

Column

Arbor

Spindle

Answer

Correct Answer: Arbor

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20. The example of snag grinding is

Trimming the surface left by sprues and risers on castings

Grinding the parting line left on castings

All of these

Removing flash on forgings

Answer

Correct Answer: All of these

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21. A fixture is defined as a device which

Is used to check the accuracy of workpiece

All of these

Holds and locates a workpiece and guides and controls one or more cutting tools

Holds and locates a workpiece during an inspection or for a manufacturing operation

Answer

Correct Answer: Holds and locates a workpiece during an inspection or for a manufacturing operation

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