4655Chemical EngineeringMedium
Silicon crystal can be converted to p-type semi-conductor by doping with________?
ACarbon
BPhosphorous
CNitrogen
DBoron
Correct answer
D. Boron
Explanation
The correct answer is Boron.
Correct answer
D. Boron
Explanation
The correct answer is Boron.
If the specific heats of a gas and a vapor are 0.2KJ/Kg.°K and 1.5 KJ/Kg.°K respectively, and the humidity is 0.01; the humid heat in KJ/°Kg. is________?
Viscous & heat sensitive liquids are concentrated in ________ evaporators?
Visco-elastic behaviour exhibited by plastics is a ________ like behaviour?
Equation which relates pressure, volume and temperature of a gas is called the________?
Fouling factor for a heat exchanger is given by (where, U1 = heat transfer co-efficient of dirty surface U2 = heat transfer co-efficient of clean surface)?
Disinfection of water is done to remove ________?