1
GATE ME 2008
MCQ (Single Correct Answer)
+2
-0.6
A cubic block of side $$'L'$$ and mass $$'M'$$ is dragged over an oil film across table by a string connects to a hanging block of mass $$'m'$$ as shown is fig. The Newtonian oil film of thickness $$'h'$$ has dynamic viscosity $$'\mu '$$ and the flow condition is laminar. The acceleration due to gravity is $$'g'.$$ The steady state velocity $$'v'$$ of block is : GATE ME 2008 Fluid Mechanics - Fluid Properties Question 1 English
A
$${{M\,g\,h} \over {\mu {L^2}}}$$
B
$${{M\,g\,h} \over \mu }$$
C
$${{m\,g\,h} \over {\mu {L^2}}}$$
D
$${{m\,g\,h} \over \mu }$$
2
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
Newton's law of viscosity states that the shear stress in a fluid is proportional to :
A
The velocity of the fluid.
B
The time rate of change of velocity of the fluid.
C
The rate of change of velocity of the fluid with the height of fluid film.
D
The square of the velocity of the fluid.
3
GATE ME 2007
MCQ (Single Correct Answer)
+2
-0.6
Oil in a hydraulic cylinder is compressed from an initial volume $$2{m^3}$$ to $$1.96{m^3}$$. If the pressure of oil in the cylinder changes from $$40$$ $$MPa$$ to $$80$$ $$MPa$$ during compression, the bulk modulus of elasticity of oil is .........
A
$$1000$$ $$MPa$$
B
$$2000$$ $$MPa$$
C
$$4000$$ $$MPa$$
D
$$8000$$ $$MPa$$
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Turbo Machinery
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Graduate Aptitude Test in Engineering
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