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Mechanical Engineering - Production Engineering

Exercise : Production Engineering - Section 4
6.
An open structure of a grinding wheel is used for
soft materials
tough materials
ductile materials
all of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
A twist drill is specified by its
shank, material and diameter
shank, lip angle and size of flute
material, length of body and helix angle
any one of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The hole to be drilled for tapping is __________ the outside diameter of the thread on the tap.
equal to
smaller than
greater than
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Glazing in grinding wheels takes place when the
wheel is too hard or wheel revolves at a very high speed
wheel is too soft or wheel revolves at a very slow speed
wheel is too hard and wheel revolves at very slow speed
wheel is too soft and wheel revolves at a very high speed
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Low helix angle drills are preferred for drilling holes in
plastics
copper
cast steel
carbon steel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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