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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 6
1.
The distance between metacentre and __________ is called metacentric height.
water surface
centre of gravity
centre of buoyancy
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
2.
Check valve is used for __________ flow.
very precise control of
unidirectional
multidirectional
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
3.
Capacity of a rotary gear pump can be varied by
changing the speed of rotation.
bleeding air into suction.
bypassing liquid from the suction or discharge line.
all (a), (6) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
4.
For a given Reynolds number, in a hydraulically smooth pipe, further smoothening __________ the friction factor.
brings about no further reduction of
increases
decreases
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
5.
Power number is the ratio of
drag stress to inertial stress.
inertial stress to drag stress.
inertial stress to gravitational stress.
gravitational stress to drag stress.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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