Chemical Engineering - Chemical Engineering Basics

36.
Nitriding of steel is a process for
case hardening
spheroidising
normalising
annealing
Answer: Option
Explanation:
No answer description is available. Let's discuss.

37.
The maximum percentage of chromium that can be added to steel is about
12
18
24
30
Answer: Option
Explanation:
No answer description is available. Let's discuss.

38.
Holes in a plate for rivetted joints is preferably made by
drilling
tapping
reaming
punching
Answer: Option
Explanation:
No answer description is available. Let's discuss.

39.
The temperature at which a gas, when subjected to Joule-Thomson expansion, neither cools or heats up, is termed as the __________ temperature. Above this temperature the gas heats up on throttling and below this the gas cools down.
isotactic
saturation
inversion
throttling
Answer: Option
Explanation:
No answer description is available. Let's discuss.

40.
Source of heat supply in a cupola is
coke
charcoal
lumpy coal
pulverised coal
Answer: Option
Explanation:
No answer description is available. Let's discuss.