2199Chemical EngineeringMedium
Ceramic recuperators (made of SiC) is economical, only when used for preheating combustion air above ________ °C?
A1000
B850
C650
D250
Correct answer
C. 650
Explanation
The correct answer is 650.
Correct answer
C. 650
Explanation
The correct answer is 650.
Pick out the wrong statement?
A radioactive isotope undergoes decay with respect to time following ________ law?
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?
The relation, Sc = Pr = 1, is valid, when the mechanism of ________ transfer is same?
On mixing 56 gm of CaO with 63 gm of HNO3, the amount of Ca(NO3)2 formed is ________ gm?
Catalytic cracking compared to thermal cracking of residue of vacuum distillation of crude oil________?