Related Questions

In the Newton's law range, the terminal velocity of a solid spherical particle falling through a stationary fluid mass is __________ the fluid viscosity.
A Directly proportional to
B Inversely proportional to
C Inversely proportional to the square root of
D Independent of
The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm)
A 1420 d
B 1680 d
C 2080 d
D 2840 d
Two fluids are flowing through two similar pipes of the same diameter. The Reynold's number is same. For the same flow rate if the viscosity of a fluid is reduced to half the value of the first fluid, the pressure drop will
A Increase
B Decrease
C Remain unchanged
D Data insufficient to predict relative pressure drop
A fluid whose apparent viscosity increases with shear rate is termed as the __________ fluid.
A Newtonion
B Viscous
C Dilatant
D Non-viscous
Absolute viscosity of a fluid is a function of the __________ of the fluid.
A Motion
B Pressure & temperature
C Shearing stress
D Both B & C
A fluid having no viscosity is known as ______ fluid.
A real
B ideal
C Newtonian
D non-Newtonian
Stress may be expressed in Newtons
A Per millimetre square (N/mm2)
B Per centimetre square (N/cm2)
C Per metre square (N/m2)
D None of these
A fluid which obeys the Newton's law of viscosity is termed as
A Real fluid
B Ideal fluid
C Newtonian fluid
D Non-Newtonian fluid
According to Newton's law of viscosity, the shear stress on a layer of a fluid is __________ to the rate of shear strain.
A Equal to
B Directly proportional
C Inversely proportional
D None of these
In which type of fluid flow, the velocity of flow of fluid changes from point to point in the fluid at any instant?
A Rotational
B Unsteady
C Turbulent
D Non-uniform

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