In converting from the poise to lb/ft.hr one multiplies by
A.2.04
B.0.41
C.2.42
D.145.2
Category: Fluid Mechanics and Solid Handling Mcqs
The resistance of a fluid to shear depends
A.upon cohesion only
B.upon its rate of transfer of molecular momentum only
C.upon its cohesion and rate of transfer of molecular momentum
D.upon other factors than its cohesion and rate of transfer of moleular momentum.
The specific weight (? ) of a substance
A.is its weight per unit volume
B.is its mass per unit volume
C.does not change with location
D.is not a convenient property when dealing with fluid statics.
The bulk modulus of elasticity for a liquid
A.is independent of temperature
B.increases with the pressure
C.has the dimensions of volume
D.is independent of pressure.
The work that a liquid is capable of doing by virtue of its sustained pressure in m N/N is
A.P/?
B.P
C.? P/?
D.P/?
An ideal fluid is one which
A.is very viscous
B.is frictionless and incompressible
C.has negligible surface tension
D.obeys Newtons law of viscosity
When the barometer reads 740 mm Hg 20 x 103 N/m2 suction is the same as
A.8.027 M Hg abs
B.8.027 ft H2O abs
C.8.027 m H2O abs
D.8.027 cm H2O abs
Capillary is due to
A.adhesion
B.cohesion
C.both adhesion and cohesion
D.neither adhesion nor cohesion
The velocity head representing the kinetic energy per unit weight of fluid is denoted by
A.pv2/2
B.v2/2
C.v
D.v2/2g
