Discussion
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- Question
In drilling brass, 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
- Correct Answer
- low helix angle is used
- 1. Ceramic tools has greater tool life than carbide tools.
Options- A. True
- B. False Discuss
- 2. Up milling is also called conventional milling.
Options- A. Agree
- B. Disagree Discuss
- 3. In oblique cutting of metals, the cutting edge of the tool is
Options- A. perpendicular to the workpiece
- B. perpendicular to the direction of tool travel
- C. parallel to the direction of tool travel
- D. inclined at an angle less than 90° to the direction of tool travel Discuss
- 4. The grinding wheel speed (surface speed in m/min) usually varies from
Options- A. 500 to 1000
- B. 1000 to 1500
- C. 1500 to 2000
- D. 2000 to 2500 Discuss
- 5. In conventional milling, the cutting force tends to lift the work.
Options- A. True
- B. False Discuss
- 6. In centreless grinding, work place centre will be
Options- A. above the line joining the two wheel centres
- B. below the line joining the two wheel centres
- C. on the line joining the two wheel centres
- D. at the intersection of the line joining the wheel centres with the work place plane Discuss
- 7. The process of removing metal by a cutter which is rotated against the direction of travel of workpiece, is called
Options- A. up milling
- B. down milling
- C. face milling
- D. end milling Discuss
- 8. The angle formed by the leading edge of the land with a plane having the axis of the drill, is called
Options- A. helix or rake angle
- B. point angle
- C. chisel edge angle
- D. lip clearance angle Discuss
- 9. In American Standard Association (A S A) system, if the tool nomenclature is 8-6-5-5-10-15-2 mm, then the side rake angle will be
Options- A. 5°
- B. 6°
- C. 8°
- D. 10° Discuss
- 10. The hard grade grinding wheels are denoted by the letters
Options- A. A to H
- B. I to P
- C. Q to Z
- D. A to P Discuss
Production Engineering problems
Search Results
Correct Answer: True
Correct Answer: Agree
Correct Answer: inclined at an angle less than 90° to the direction of tool travel
Correct Answer: 1500 to 2000
Correct Answer: True
Correct Answer: above the line joining the two wheel centres
Correct Answer: up milling
Correct Answer: helix or rake angle
Correct Answer: 6°
Correct Answer: Q to Z
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