1680Chemical EngineeringMedium
Head developed by a centrifugal pump depends on its________?
ANeither A. nor B.
BBoth A. and B.
CImpeller diameter
DSpeed
Correct answer
B. Both A. and B.
Explanation
The correct answer is Both A. and B..
Correct answer
B. Both A. and B.
Explanation
The correct answer is Both A. and B..
A solid metallic block weighing 5 kg has an initial temperature of 500°C. 40 kg of water initially at 25°C is contained in a perfectly insulated tank. The metallic block is brought into contact with water. Both of them come to equilibrium. Specific heat of block material is 0.4 kJ.kg-1. K-1. Ignoring the effect of expansion and contraction and also the heat capacity to tank, the total entropy change in kJ.kg-1, K-1 is________?
________ furnace is not an electric furnace?
________ heat exchanger is the most suitable, when the temperature of shell side fluid is much higher than that of tube side?
The starting material used for the manufacture of caprolactam is________?
Biological shield in a nuclear power reactor is made of________?
The ratio of volume of an atom to that of its nucleus is________?