Correct answer
A. Depletion of oxygen
Explanation
The correct answer is Depletion of oxygen.
Actual lift of a pump is always less than the theoretical lift and is limited by the________?
The calorific value of a gas of composition CO2 = 20%, H2 = 50%, CH4 = 30%, is y. If the composition of gas is changed to H2 = 50%, CH4 = 30%, CO2 = 10%, N2 = 10%, then the calorific value will be________?
Percentage of methane in coke oven gas may be around ________?
Gross heating value of coal is ________ the net heating value?
Pressure drop for turbulent fluid flow through a circular pipe is given by________?
Blue colour is imparted to glass by the addition of________?