A.is frictionless and incompressible
B.has a linear relationship between the magnitude of applied shear stress and the resulting rate of deformation
C.has a nonlinear relationship between the magnitude of spplied shear stress and the resulting rate of deformation
D.has a vapor pressure of 1 N/m2 at 25?C.
A.decreases the activation energy
B.alters the reaction mechanism
C.increases the frequency of collisions of reacting species
D.all of these answers.
A.is zero
B.is infinity
C.is negative
D.varies between zero and infinity
A.Hydrogen
B.Nitrogen
C.Mercury vapour
D.Sulphur dioxide
A.0.1 mm of Hg at 0?C in a standard gravitational field
B.1 mm of Hg at 0?C in a standard gravitational field
C.0.01 mm of Hg at 0?C in a standard gravitational field
D.0.001 mm of Hg at 0?C in a standard gravitational field
A.Quinoline
B.Ethyl mercaptan
C.Naphthenic acid
D.Tetra ethyl lead
A.depends on the unit of time
B.has units of reciprocal time
C.does not change on changing the concentration units
D.all of the above
A.the actual molecular structure is replaced by a hypothetical continuous medium
B.fluid particles are widely scattered in space
C.fluid is non-homogeneous
D.fluid density is very low
A.only the energy crosses the system boundary
B.both energy and mass cross the system boundary
C.neither energy nor mass crosses the system boundary
D.only the mass crosses the system boundary
A.decreases with increase in pressure
B.increases with increase in pressure
C.increases with increase in temperature at constant pressure
D.has no significance in distillation operation
