Discussion
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- Question
In a centre lathe, the cutting tool is fed in __________ with reference to the lathe axis.
Options- A. cross direction only
- B. longitudinal direction only
- C. both cross and longitudinal direction
- D. any direction
- Correct Answer
- both cross and longitudinal direction
- 1. Gear finishing operation is called
Options- A. shaping
- B. milling
- C. hobbing
- D. burnishing Discuss
- 2. In drilling softer materials, the cutting speed is __________ as compared to harder materials.
Options- A. same
- B. low
- C. high Discuss
- 3. Internal or external threads of different pitches can be produced by
Options- A. pantograph milling machine
- B. profiling machine
- C. planetary milling machine
- D. piano-miller Discuss
- 4. In drilling aluminium, a drill with
Options- A. zero helix angle is used
- B. low helix angle is used
- C. high helix angle is used
- D. any helix angle can be used Discuss
- 5. When the shear angle is large
Options- A. path of shear is short and chip is thin
- B. path of shear is large and chip is thick
- C. path of shear is short and chip is thick
- D. path of shear is large and chip is thin Discuss
- 6. Broaching is applied for machining
Options- A. internal and external surfaces
- B. round or irregular shaped holes
- C. external flat and contoured surfaces
- D. all of these Discuss
- 7. In electro-discharge machining, the tool is connected to cathode.
Options- A. Correct
- B. Incorrect Discuss
- 8. In machining cast iron, no cutting fluid is required.
Options- A. Correct
- B. Incorrect Discuss
- 9. In electro-chemical machining, the gap between the tool and work is kept as
Options- A. 0.1 mm
- B. 0.25 mm
- C. 0.4 mm
- D. 0.75 mm Discuss
- 10. In transverse grinding
Options- A. the work is reciprocated as the wheel feeds to produce cylinders longer than the width of wheel face
- B. the work rotates in a fixed position as the wheel feeds to produce cylinders equal to or shorter than the width of wheel face
- C. the work is reciprocated as the wheel feeds to produce cylinders shorter than the width of wheel face
- D. the work rotates in a fixed position as the wheel feeds to produce cylinders longer than the width of wheel face Discuss
Production Engineering problems
Search Results
Correct Answer: burnishing
Correct Answer: high
Correct Answer: planetary milling machine
Correct Answer: high helix angle is used
Correct Answer: path of shear is short and chip is thin
Correct Answer: all of these
Correct Answer: Correct
Correct Answer: Correct
Correct Answer: 0.75 mm
Correct Answer: the work is reciprocated as the wheel feeds to produce cylinders longer than the width of wheel face
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