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Mechanical Engineering - Hydraulics and Fluid Mechanics

Exercise : Hydraulics and Fluid Mechanics - Section 2
31.
A glass tube of smaller diameter is used while performing an experiment for the capillary rise of water because
it is easier to see through the glass tube
glass tube is cheaper than a metallic tube
it is not possible to conduct this experiment with any other tube
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
32.
The viscosity of a liquid is due to cohesion of its particles.
Correct
Incorrect
Answer: Option
Explanation:
No answer description is available. Let's discuss.
33.
A compound pipe is required to be replaced by a new pipe. The two pipes are said to be equivalent, if
length of both the pipes is same
diameter of both the pipes is same
loss of head and discharge of both the pipes is same
loss of head and velocity of flow in both the pipes is same
Answer: Option
Explanation:
No answer description is available. Let's discuss.
34.
In a footstep bearing, if the speed of the shaft is doubled, then the torque required to overcome the viscous resistance will be
double
four times
eight times
sixteen times
Answer: Option
Explanation:
No answer description is available. Let's discuss.
35.
The viscosity of water is __________ than that of mercury.
higher
lower
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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