Production Engineering problems
- 1. The shear velocity is the velocity of
Options- A. tool relative to the workpiece
- B. chip relative to the tool
- C. tool along the tool face
- D. none of these Discuss
Correct Answer: none of these
- 2. In drilling bakellite and fibrous plastics, the point angle of a drill is
Options- A. 90°
- B. 118°
- C. 135°
- D. 150° Discuss
Correct Answer: 90°
- 3. The vector sum of cutting velocity and chip velocity is __________ shear velocity.
Options- A. equal to
- B. less than
- C. more than Discuss
Correct Answer: equal to
- 4. The angle between the lathe centres is
Options- A. 30°
- B. 45°
- C. 60°
- D. 90° Also asked in: Bank Exams
Correct Answer: 60°
- 5. The rate of removing metal is __________ by increasing the depth of cut.
Options- A. decreased
- B. increased Discuss
Correct Answer: increased
- 6. A grinding wheel is said to be of __________ if the abrasive grains can be easily dislodged.
Options- A. soft grade
- B. medium grade
- C. hard grade Discuss
Correct Answer: soft grade
- 7. In a shaper, the metal is removed during
Options- A. forward stroke
- B. return stroke
- C. both the forward and return strokes
- D. neither the forward nor the return stroke Discuss
Correct Answer: forward stroke
- 8. Which of the following statement is correct about EDM machining?
Options- A. It can machine hardest materials.
- B. It produces high degree of surface finish.
- C. The tool and work are never in contact with each other.
- D. all of these Discuss
Correct Answer: all of these
- 9. The time (in minutes) for a drilling a hole is given by
where h is the
Options- A. length of the drill
- B. drill diameter
- C. flute length of the drill
- D. cone height of the drill Discuss
Correct Answer: cone height of the drill
- 10. In __________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to minimum when the tooth leaves the work.
Options- A. up milling
- B. down milling
- C. face milling
- D. end milling Discuss
Correct Answer: down milling
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