7846Chemical EngineeringMedium
After throttling, gas temperature________?
AIncreases
BDecreases
CMay increase or decrease; depends on the nature of the gas
DRemain same
Correct answer
B. Decreases
Explanation
The correct answer is Decreases.
Correct answer
B. Decreases
Explanation
The correct answer is Decreases.
Which of the following is a widely used refrigerant in vapour compression refrigeration system (using large centrifugal compressor)?
Addition of ________ to steel does not impart hardness?
Tetraethyl lead is added to the petrol to increase its octane number, because its octane number is ________?
Which one is preferred for aircraft engine?
Dried finished product sampled from various parts of a ________ dryer exhibits nonuniformity in the moisture content?
Which of the following is not a weightless pollutant?