The rate at which a chemical substance reacts is proportional to its
A.equivalent weight
B.atomic weight
C.molecular weight
D.active mass
Category: Chemical Engineering Mcqs
A constant gas thermometer is based on
A.Avogadro’s law
B.Graham’s law
C.Boyle’s law
D.Charle’s law
Grignard reagent is
A.ethyl magnesium chloride
B.ethyl chloride
C.sodium sulphate
D.sodium cabonate
The propose of using multiple pass heat exchangers is to
A.Reduce fluid flow friction losses
B.Reduce pressure drop
C.Increase pressure drop
D.Increase the rate of heat transfer
E.Neutralise viscous friction
Fuming nitric acid is
A.hot concentrated HNO3
B.concentrated HNO3 containing dissolved NO2
C.the purest form of HNO3
D.a mixture of concentrated HNO3 and concentrated HCI
When the same quantity of electricity is passed through different solutions the amounts of different substances produced are proportional to
A.their atomic weight
B.their molecular weight
C.their equivalent weight
D.the square of their equivalent weight
Grashoff number has significant role in heat transfer by
A.conduction
B.natural connection
C.Forced convection
D.radiation
Prandtl number for liquid metals is generally in the range
A.1000 to 10,000
B.100 to 1000
C.10 to 100
D.0.003 to 0.01
