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Chemical Engineering - Chemical Engineering Basics

Exercise : Chemical Engineering Basics - Section 8
6.
Non-ferrous alloys used for making cutting tools need not have high
abrasion resistance
toughness
red hardness
cutting speed
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
Hollow shafts can be made as strong as solid shafts by making the twisting moments of both the shafts same. Shafts made by __________ have residual stresses.
forging
cold rolling
hot rolling
casting
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
Capacity & power requirement for an air compressor working at high altitude compared to sea-level will be
more
less
same
either more or less; depends on the climatic conditions.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Glycerene is used as a coolant in cooling of some engines instead of water, because
its higher boiling point (290°C) increases its heat carrying capacity.
compartively less weight of coolant is required.
smaller radiator can be used.
all a, b & c.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Cold working of a material results in increase in hardness, which is termed as the __________ hardening.
cold
work
age
induction
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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