Correct answer
A. All A., B. and C.
Explanation
The correct answer is All A., B. and C..
Deaeration (removal of O2) of water is done by________?
Pumping of a corrosive liquid is generally preferred to be done by a ________ pump, as it can be made of a variety of materials including plastics?
Largest constituent of coke oven gas is________?
Phase margin is equal to________?
Cast iron has________?
Work hardenable alloy steel used to make the bucket wheel excavators, blades of bulldozers and other earth moving equipments contain iron, carbon and ________?