2202Chemical EngineeringMedium
Maximum theoretical suction lift for water at 15°C by a centrifugal pump is 34 ft. The same for water at 90°C will be ________ ft?
A8
B37
C40
D34
Correct answer
A. 8
Explanation
The correct answer is 8.
Correct answer
A. 8
Explanation
The correct answer is 8.
Blue vitriol is chemically________?
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?
The ratio, (propeller agitator dia/tank dia) is normally taken as________?
Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above ________ °C?
A single pass air heater is connected to a two pass unit. For the air flow rate and other conditions remaining the same, the film heat transfer co-efficient for air will vary in the ratio of________?
________ treatment is done for appreciable improvement in viscosity index of lubricating oil?