6371Chemical EngineeringMedium
Foot valve provided in the pump is a ________ valve?
ARelief
BDirection control
CPressure reduction
DBack pressure
Correct answer
D. Back pressure
Explanation
The correct answer is Back pressure.
Correct answer
D. Back pressure
Explanation
The correct answer is Back pressure.
________ treatment is done for appreciable improvement in viscosity index of lubricating oil?
Common salt is produced from sea water in India generally by the ________ method?
Absolute vapor pressure of petrofuels is found by Reid bomb which is heated in water bath to 100°F. In Reid apparatus, the ratio of the volume of air chamber to that of the liquid fuel chamber is________?
________ is added in low carbon steel to raise its yield point?
Latent heat absorbed by 1 lb of water at 212°F, when it is changed to steam at 212°F, may be around ________ BTU?
The time taken for a radioactive element to reduce to 50% of its original weight is ________ years, if its half life period is 12 years?