The absolute viscosity of a fluid is a property which
A.is a function of the motion of the fluid
B.is independent of pressure and temperature
C.is a function of the shear stress in the fluid.
Category: Chemical Engineering Mcqs
Wood at its kindling temperature will
A.burn momentarily then go out
B.not burn at all
C.burn continuously
A correction of LMTD is necessary in case of
A.Parallel flow heat exchanger
B.Counter current heat exchanger
C.Cross flow heat exchanger
D.All of the above
E.None of the above
For glass wool the thermal conductivity varies from sample to sample because of variations in
A.Structure
B.Composition
C.Density
D.Porosity
E.All of the above
Power law behaviour is pseudoplastic for
A.n = 1
B.n < 1
C.n > 1
D.n = 0
The Schmidt number (NSc) is defined as
A.?/DAB
B.?/?DAB
C.??/DAB
D.?DAB/?
When a correctly written chemical equation is balanced
A.the number of atoms of each kind on each side should be equal
B.all molecules are diatomic
C.all substances are in the same physical state
D.the sum of the coefficient on both sides is the same
Compared to grey cast iron white cast iron is
A.very hard
B.very brittle
C.more durable
D.all of the above
The phenomenon of nuclear fission is used in the construction of
A.the hydrogen bomb
B.the atom bomb
C.an ordinary bomb
D.incendiary bomb
If a solid-gas non-catalytic reaction occurs at very high temperature, the rate controlling step is
A.film diffusion
B.chemical reaction
C.ash layer diffusion
D.pore diffusion.
