With the barometric reading of 28 in Hg 10 psia is equivalent to
A.37.57 psi suction
B.10 psi suction
C.13.757 psi suction
D.23.757 psi suction
Category: Fluid Mechanics and Solid Handling Mcqs
Falling drops of rain acquire spherical shape on account of
A.temperature
B.viscosity
C.compressibility
D.surface tension
The viscosity of a gas
A.increases with increase in temperature
B.decreases with increase in temperature
C.remains unaffected with change in temperature
D.is greater than the viscosity of a liquid
Surface tension has the dimensionss
A.FL-2
B.FL
C.F-1 L3
D.FL-1
For the standard atmosphere upto the stratosphere temperature of air decreases uniformly at the rate of
A.0.65?C/m
B.0.065?C/m
C.0.0065?C/m
D.0.00065?C/m
Mercury is used in barometers due to
A.its very low vapour pressure
B.its high density
C.its low compressibility
D.negligible capillary effect
For v = 3 St and p = 0.80 g/cm3 in N.s/m2 is
A.0.375
B.3.75
C.0.24
D.2.4
A Newtonian fluid is one which
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.
Fluid continuum is a concept in which
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
For ? = 2.49 Poise sp.gr = 0.83 v in Stokes is
A.2.07
B.0.3
C.3
D.3 x 10-3
