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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 4
41.
A centrifugal pump is used to pump water through a horizontal distance of 150 m, and then raised to an overhead tank 10 m above. The pipe is smooth with an I.D of 50 mm. What head (m of water) must the pump generate at its exit (E) to deliver water at a flow rate of 0.001 m3/s? The Fanning friction factor, f is 0.0062.
10 m
11 m
12 m
20 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
42.
The pressure head of a flow meter remains constant for
venturimeter
orificemeter
rotameter
pitot tube
Answer: Option
Explanation:
No answer description is available. Let's discuss.
43.
A venturimeter can not be used for the direct measurement of
datum difference in the stretch of pipeflow
pressure difference in the flow throughpipeline.
friction loss in pipe flow.
all (a), (b) and (c).
Answer: Option
Explanation:
No answer description is available. Let's discuss.
44.
A double acting reciprocating pump compared to a single acting pump (of almost same size working under same pressure levels) would give almost double
head
discharge
efficiency
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
45.
Which of the following is used for very accurate measurement of flow of gas at low velocity ?
Pitot tube
Rotameter
Segmental orificemeter
Hot wire annemometer
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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