Chemical Engineering - Chemical Engineering Basics

41.
Maximum hardenability of steel depends upon its
chemical composition
carbon content
grain size
alloying elements content
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
Blast furnace slag is mainly molten
sand
magnesium silicate
calcium silicate
iron pyrite
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
A jet engine turbine blade is normally manufactured by
forging.
shell moulding.
investment casting.
pressure die casting.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
Stainless steel is welded using
oxy-acetylene flame.
oxy-hydrogen flame.
arc welding.
inert gas arc welding.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
The cooling rate required to freeze 1 ton of water at 0°C into ice at 0°C in 24 hours is __________ BTU/hr.
100
200
1000
2000
Answer: Option
Explanation:
No answer description is available. Let's discuss.