Weight of liquid that rises in capillary tube is supported by
A.the vertical component of force due to surface tension
B.the local atmospheric pressure
C.the viscous force
D.he horizontal component of force due to surface tension.
Category: Fluid Mechanics and Solid Handling Mcqs
In an isothermal atmosphere the pressure
A.decreases linearly with elevation
B.decreases exponentially with elevation
C.remains constant with change in elevation
D.and density remain constant
An example of a pseudoplastic fluid is
A.gas
B.rubber latex
C.sewage sludge
D.quicksand
In converting from the poise to lb/ft.hr one multiplies by
A.2.04
B.0.41
C.2.42
D.145.2
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
