Discussion
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- Question
The cutting fluid mostly used for machining alloy steels is
Options- A. water
- B. soluble oil
- C. dry
- D. sulphurised mineral oil
- Correct Answer
- sulphurised mineral oil
- 1. A broach has
Options- A. roughing teeth
- B. semi-finishing teeth
- C. finishing teeth
- D. all of these Discuss
- 2. The cutting force in down milling is maximum when the tooth begins its cut and reduces to minimum when the tooth leaves the work.
Options- A. Correct
- B. Incorrect Discuss
- 3. Cutting fluids are used to
Options- A. cool the tool
- B. improve surface finish
- C. cool the workpiece
- D. all of these Discuss
- 4. Tool signature consists of __________ elements.
Options- A. two
- B. four
- C. five
- D. seven Discuss
- 5. In a plain milling cutter, the chip space between the back of one tooth and the face of the next tooth is called
Options- A. face
- B. fillet
- C. gash
- D. land Discuss
- 6. Tool life is generally better when
Options- A. grain size of the metal is large
- B. grain size of the metal is small
- C. hard constituents are present in the microstructure of the tool material
- D. none of the above Discuss
- 7. For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is
Options- A. 5 m/min
- B. 10 m/min
- C. 15 m/min
- D. 30 m/min Discuss
- 8. Which of the following operation is first performed?
Options- A. Spot facing
- B. Boring
- C. Tapping
- D. Drilling Discuss
- 9. In which of the following machine, the work rotates and the tool is stationary?
Options- A. Vertical boring machine
- B. Horizontal boring machine
- C. Precision boring machine
- D. Jig boring machine Discuss
- 10. The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive and bond, is called
Options- A. truing
- B. dressing
- C. facing
- D. clearing Discuss
Production Engineering problems
Search Results
Correct Answer: all of these
Correct Answer: Correct
Correct Answer: all of these
Correct Answer: seven
Correct Answer: gash
Correct Answer: grain size of the metal is large
Correct Answer: 30 m/min
Correct Answer: Boring
Correct Answer: Vertical boring machine
Correct Answer: truing
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