Chemical Engineering - Chemical Engineering Basics

41.
Tempering of a material does not improve its
machinability
toughness
internal stress level
softness
Answer: Option
Explanation:
No answer description is available. Let's discuss.

42.
High relative humidity decreases the evaporative process and as the temperature is increased, the relative humidity decreases. The comfort range for human body is the ambient temperature of 22 to 27°C with relative humidity ranging from __________ percent.
5 to 10
15 to 25
45 to 50
75 to 80
Answer: Option
Explanation:
No answer description is available. Let's discuss.

43.
Which of the following performance characteristics of a S.I engine is not affected by the front end volatility of the petrol used ?
Vapour locking.
Hot starting.
Spark plug fouling.
all 'a', 'b' & 'c'.
Answer: Option
Explanation:
No answer description is available. Let's discuss.

44.
__________ glass is used in the mercury in glass thermometer meant for measuring a temperature of 500°C.
Borosilicate
High silica
Supermax
Lead
Answer: Option
Explanation:
No answer description is available. Let's discuss.

45.
Heat release during phase change is observed in case of a/an
boiler
condenser
evaporator
all (a), (b) & (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.