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Chemical Engineering - Fluid Mechanics

Exercise : Fluid Mechanics - Section 2
21.
Which of the following fluid forces are not considered in the Navier-Stoke's equation?
Gravity forces
Viscous forces
Pressure forces
Turbulent forces
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Which of the following may be termed as a variable orifice flowmeter ?
Rotameter
Pitot tube
V-notch
All (a), (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
In turbulent flow, a rough pipe has the same friction factor as a smooth pipe
in the zone of complete turbulence.
when the roughness projections are much smaller than the thickness of the laminar film.
everywhere in the transition zone.
when the friction factor is independent of the Reynold's number.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Air vessel provided in a reciprocating pump
smoothens the flow by avoiding pulsations.
increases the volumetric efficiency of the pump.
saves the pump from the danger of cavitation.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
Bernoulli's equation is dependent on the
first law of thermodynamics.
third law of thermodynamics.
law of conservation of momentum.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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