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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 16
11.
A centrifugal pump designed to pump water is employed to pump a more viscous oil. In the later case, the pump
develops a lower head.
capacity is reduced.
requires more power.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
In an incompressible flow of fluid, the fluid
temperature remains constant.
compressibility is greater than zero.
density does not change with pressure & temperature.
is frictionless.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
The ratio of maximum to average velocity in case of streamline flow between parallel plates is
1
1.5
2
2.5
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
A weir is used to measure the large water discharge rate from a river or from an open channel. A weir is not of __________ shape.
circular
rectangular
triangular
trapezoidal
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
Pressure co-efficient is the ratio of pressure forces to __________ forces.
gravity
inertial
viscous
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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