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Production Engineering
Comments
Question
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
Correct Answer
inclined at an angle less than 90° to the direction of tool travel
Production Engineering problems
Search Results
1. 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
Show Answer
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Discuss
Correct Answer: 1500 to 2000
2. In conventional milling, the cutting force tends to lift the work.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
3. The operation of producing grooves around the periphery of a cylindrical or conical workpiece is called
Options
A. profile milling
B. gang milling
C. saw milling
D. helical milling
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Correct Answer: helical milling
4. The relation between the tool life (
T
) in minutes and cutting speed (
V
) in m/min is (where
n
= An exponent, which depends upon the tool and workpiece, and
C
= A constant)
Options
A.
V
n
T
=
C
B.
VT
n
=
C
C.
V
n
/
T
=
C
D.
V
/
T
n
=
C
Show Answer
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Discuss
Correct Answer:
VT
n
=
C
5. In which of the following machine, the work is usually rotated while the drill is fed into work?
Options
A. Sensitive drilling machine
B. Radial drilling machine
C. Gang drilling machine
D. Deep hole drilling machine
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Correct Answer: Deep hole drilling machine
6. Up milling is also called conventional milling.
Options
A. Agree
B. Disagree
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Correct Answer: Agree
7. Ceramic tools has greater tool life than carbide tools.
Options
A. True
B. False
Show Answer
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Discuss
Correct Answer: True
8. 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
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Discuss
Correct Answer: low helix angle is used
9. 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
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Discuss
Correct Answer: above the line joining the two wheel centres
10. 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
Show Answer
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Discuss
Correct Answer: up milling
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