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Mechanical Engineering - Workshop Technology

Exercise : Workshop Technology - Section 1
11.
In a hot chamber die casting machine
ferrous alloys with low melting temperature are casted
ferrous alloys with high melting temperature are casted
non-ferrous alloys with low melting temperature are casted
non-ferrous alloys with high melting temperature are casted
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The chisel used for cutting key ways is
flat chisel
cape chisel
round nose chisel
diamond pointed chisel
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The temperature at which the new grains are formed in the metal is called
lower critical temperature
upper critical temperature
eutectic temperature
recrystallisation temperature
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Thread rolling is restricted to
ferrous materials
ductile materials
hard materials
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
In sheet metal blanking, shear is provided on punches and dies so that
press load is reduced
good cut edge is obtained
warping of sheet is minimised
cut blanks are straight
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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