Nov 19

1. The purpose of jigs and fixtures are to

a. Increased production rate

b. Increased machining accuracy

c. Facilitate interchangeable manufacturing

d. Enable employ less skilled operators

e. All of the above

 

Answer:

All of the above


2. Which one of the following methods produces gear by generating process

a. Hobbing

b. Casting

c. Punching

d. Milling

e. Broaching

 

Answer:

Hobbing


3. Tool life of the cutting tool is most affected by

a. Cutting speed

b. Tool geometry

c. Cutting feed and depth

d. Microstructure of material being cut

e. Not using coolant and lubricant

 

Answer:

Cutting speed


4. Metal in machining operation is removed by

a. Tearing chips

b. Distortion of metal

c. Shearing the metal across a zone

d. Cutting the metal across a zone

e. Pushing the metal with tool

 

Answer:

Shearing the metal across a zone


5. A feeler gauge is used to check

a. Radius

b. Screw pitch

c. Surface roughness

d. Unsymmetrical shape

e. Thickness of clearance

 

Answer:

Thickness of clearance


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