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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 8
6.
Which of the following can be used for the direct measurement of volumetric flow rate of slurry ?
Venturimeter
Orificemeter
Rotameter
Pitot tube
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
A pipe is defined as 'hydraulically smooth', if the friction factor
is not a function of Reynolds number.
for a given Reynolds number remains constant even on further smoothening of the pipe.
is zero irrespective of the Reynolds number.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
A Pitot tube indicates 5 cm of water (manometer) when it is being used for measuring velocity of air. The velocity of air in m/sec is
5
14.1
56.22
28.2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
Delivery of insufficient quantity of liquid by a pump may be caused by
air leak in the inlet
low rpm
too high a lift
all (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
Fluid resistance to shear depends upon its
rate of transfer of molecular momentum.
cohesion.
both (a) and (b).
neither (a) nor (b).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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