1
GATE ME 2014 Set 3
MCQ (Single Correct Answer)
+2
-0.6
An annular disc has a mass m, inner radius R and outer radius $$2R$$. The disc rolls on a flat surface without slipping. If the velocity of the center of mass is $$v,$$ the kinetic energy of the disc is
A
$${9 \over {16}}m{V^2}$$
B
$${11 \over {16}}m{V^2}$$
C
$${13 \over {16}}m{V^2}$$
D
$${15 \over {16}}m{V^2}$$
2
GATE ME 2014 Set 3
MCQ (Single Correct Answer)
+2
-0.6
A siphon is used to drain water from a large tank as shown in the figure below. Assume that the level of water is maintained constant. Ignore frictional effect due to viscosity and losses at entry and exit. At the exit of the siphon, the velocity of water is GATE ME 2014 Set 3 Fluid Mechanics - Fluid Dynamics Question 19 English
A
$$\sqrt {2g\left( {{Z_Q} - {Z_R}} \right)} $$
B
$$\sqrt {2g\left( {{Z_P} - {Z_R}} \right)} $$b
C
$$\sqrt {2g\left( {{Z_0} - {Z_R}} \right)} $$
D
$$\sqrt {2g{Z_q}} $$
3
GATE ME 2014 Set 3
Numerical
+2
-0
A fluid of dynamic viscosity $$2 \times {10^{ - 5}}\,\,kg/m.s$$ and density $$1kg/{m^3}$$ flows with an average velocity of $$1$$ $$m/s$$ through a long duct of rectangular $$\left( {25\,\,mm \times \,\,15\,\,mm} \right)$$ cross-section. Assuming laminar flow, the pressure drop (in $$Pa$$) in the fully developed region per meter length of the duct is __________________.
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4
GATE ME 2014 Set 3
MCQ (Single Correct Answer)
+1
-0.3
Consider the turbulent flow of a fluid through a circular pipe of diameter, $$D.$$ Identify the correct pair of statements.
$${\rm I}.$$ The fluid is well-mixed
$${\rm II}.$$ The fluid is unmixed
$${\rm III}.$$ $$R{e_D} < 2300$$
$${\rm IV}.$$ $$R{e_D} > 2300$$
A
$${\rm I},$$ $${\rm III}$$
B
$${\rm II},$$ $${\rm IV}$$
C
$${\rm II},$$ $${\rm III}$$
D
$${\rm I},$$ $${\rm IV}$$
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