Steady flow occurs
A.when the velocity at a given point changes steadily with time
B.when the velocity at a given point does not change with time
C.when the velocity does not change with respect to space
D.when the velocity be changed
Category: Fluid Mechanics and Solid Handling Mcqs
Two capillary tubes of different diameter are dipped in water. The rise of water is
A.greater in the tube of smaller diameter
B.greater in the tube of larger diameter
C.same in both tubes
D.zero in both tubes
The weight in pounds force of 6 slugs on a planet where g = 5.362 ft/s2 is
A.193.044
B.1035.166
C.32.174
D.6.-0
An example of dilatent fluid is
A.non-colloidal solution
B.quicksand
C.rubber latex
D.sewage emulsion
The property of a fluid by virtue of which it offers resistance to shear is known as
A.density
B.surface tension
C.viscosity
D.vapor pressure
A mercury (? = 13.6 ?water) barometer has a column height of 29 in. The barometric pressure in psi is
A.14.696
B.14.24
C.0.23
D.not determinable from data given
Select the three pressures that are not equivalent
A.14.696 psi 29.92 in. Hg 33.94 ft H2O
B.14.696 psi 29.92 in. Hg 1.01325 bar
C.29.92 in Hg 33.94 ft H2O 1.01325 x 105 N/m2
D.29.92 in Hg 2116 psf 1.01325 Pa.
Vapour pressure of a liquid is due to
A.the existence of free surface
B.the fluid pressure
C.the pressure of air above the free surface
D.the molecules of liquid which hang over the free surface
The viscosity of a liquid
A.remains unaffected with change in temperature
B.decreases with increase in temperature
C.increases with increase in temperature
D.is dependent on pressure only
