IndiaBIX

Mechanical Engineering - Production Engineering

Exercise : Production Engineering - Section 2
21.
The abrasive recommended for grinding materials of high tensile strength is
silicon carbide
aluminium oxide
sand stone
diamond
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
The factor responsible for the formation of continuous chips with built up edge is
low cutting speed and large rake angle
low cutting speed and small rake angle
high cutting speed and large rake angle
high cutting speed and small rake angle
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
An important geometrical quantity in the cutting of metals which can be used as a criterion for machinability of metals is
cutting speed
feed rate
shear angle
tool geometry
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
In centreless grinding, the surface speed of regulating wheel is
5 to 15 m/min
15 to 60 m/min
60 to 90 m/min
90 to 120 m/min
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
In metal cutting, use of low feeds and high cutting speeds is desired when the objective is
high metal removal rate
dry machining
use of soft cutting tool
surface finish
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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