The law similar to Newtons law viscosity used in the solid mechanics is called
A.Newtons second law of motion
B.Archimedes principle
C.Hookes law
D.Newtons third law of motion
Category: Fluid Mechanics and Solid Handling Mcqs
A floating body displaces a volume of liquid equal to
A.its own weight
B.its submerged weight
C.its own volume
D.its submerged volume.
Poise (P) is the unit of dynamic viscosity and one Poise is equal to
A.1 N.s/m2
B.1 lb/ft.hr
C.1 g/cm.s
D.1 kg/m.s.
Rain drops fall from a great height under gravity. Select the only correct statement from the following
A.Their velocities go on increasing until they hit the earth with the same velocity
B.Their velocities go on increasing as they hit the earth but final velocities of different drops are different
C.They fall with a terminal velocity which is the same for every drop
D.They fall with terminal velocities which are different for drops of different size.
Newtons law of viscosity relates
A.pressure velocity and viscosity
B.shear stress and rate of angular deformation in a fluid
C.temperature viscosity and velocity
D.pressure temperature viscosity and rate of angular deformation in a fluid.
The specific weight of a substance has the units
A.N/m3
B.kg/m3
C.N/m2
D.kg/m2
An example of Bingham plastic is
A.gas
B.non colloidal solution
C.sewage sludge
D.rubber latex
Surface tension of water in contact with air at 20?C is
A.0.0731 1bf/ft
B.0.0731 N/m
C.0.0731 dyn/cm
D.0.731 kgf/m
Manometers are important devices for measuring
A.absolute pressures
B.vacuum pressures
C.local atmospheric pressures
D.pressure differences
