4167Chemical EngineeringMedium
The function of an economiser in a boiler is to preheat the ________?
APulverised coal
BFeedwater
CCombustion air
DFurnace oil
Correct answer
B. Feedwater
Explanation
The correct answer is Feedwater.
Correct answer
B. Feedwater
Explanation
The correct answer is Feedwater.
Metalloid is________?
The activity of pure hydrogen gas at 1000°C and 5 atm pressure________?
1 kg of a saturated aqueous solution of a highly soluble component A at 60°C is cooled to 25°C. The solubility limits of A are (0.6 kgA/kg water) at 60°C and (0.2 kgA/kg water) at 25°C. The amount in kg of the crystals formed is________?
The lowest layer of atmosphere is known as the________?
“The equilibrium value of the mole fraction of the gas dissolved in a liquid is directly proportional to the partial pressure of that gas above the liquid surface”. This statement pertaining to the solubility of gases in liquid is the ________ law?
Catalyst used in the hydrogenation of oil is________?