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



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




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



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



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



Thickness of clearance

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