Nuclear forces are
A.electrostatic
B.inter nuclear forces
C.exchange forces
D.protonic forces
Category: Chemical Engineering Mcqs
The problems of fluid statics are influenced by
A.frictional and surface tension forces
B.gravity and surface tension forces
C.gravity and pressure forces
D.frictional and pressure forces
You turn off the water flowing into the tube and open the drain. This is an example of
A.an open steady-state system
B.an open unsteady-state system
C.a closed system
D.none of the above
Agitated film evaporator is suitable for concentrating
A.Low temperature liquids
B.Liquid metal
C.Viscous liquids
D.Corrosive liquids
E.Insulating liquids
The collection efficiency of electrostatic precipitator
A.increases with increase in the electrode area
B.increases with increase in the particle drift velocity
C.decreases with increase in the gas flow rate
D.all of the above
The atomic number of an element is
A.the number of neutrons present in an atomic nucleus
B.the number of protons present in an atomic nucleus
C.the sum of the number of protons and neutrons present in an atomic nucleus
D.the difference in the number of protons and neutrons present in an atomic nucleus
Heating value of gaseous fuels in Btu/cu. Ft.
A.decreases with increase in molecular weight
B.increases with increase in molecular weight
C.remains constant with change in molecular weight
D.is always negative
The catalytic activity of enzymes is due to their capacity to
A.Lower the potential energy
B.lower the kinetic energy
C.increase the activation energy
D.lower the activation energy.
The triple point temperature for water is
A.0?K
B.0?C
C.0.1?C
D.0.01?C
E.0.001?C
A fuel can be defined as any combustible matter that is used to produce heat. So the fuels may be
A.solids
B.gases
C.liquids
D.all of the above
