Fluid Mechanics for Chemical MCQs

724 MCQs  — Chemical Engineering MCQs  (Page 50 of 73)

Attempt Fluid Mechanics for Chemical Quiz
A pitched-blade turbine draws ______________ a straight blade turbine?
A. Less power than
B. More power than
C. Same power as
D. Data insufficient to predict
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A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is _____________ hp?
A. 1
B. 10/55
C. 5.5
D. 1/55
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In turbulent flow, a rough pipe has the same friction factor as a smooth pipe____________________?
A. In the zone of complete turbulence
B. When the roughness projections are much smaller than the thickness of the laminar film
C. Everywhere in the transition zone
D. When the friction factor is independent of the reynold’s number
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What is the pipe called which lifts water from a reservoir to a greater height than the initial level in the supply reservoir ?
A. Penstock
B. Siphon
C. Tunnel
D. Pressure pipeline
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Which of the following assumptions enables the Euler’s equation of motion to be integrated ?
A. The fluid is incompressible
B. The fluid is non-viscous
C. The continuity equation is satisfied
D. The flow is rotational and incompressible
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Fluid flow at increasing rate through a diverging pipe is an example of ______________ flow?
A. Steady uniform
B. Non-steady uniform
C. Steady non-uniform
D. Non-steady non-uniform
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Pascal’s law is valid, only when the fluid is_____________________?
A. Frictionless and at rest
B. At rest
C. At rest and when the frictionless fluid is in motion
D. None of these
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Theoretical head developed by a centrifugal pump does not depend upon the _____________ the impeller?
A. Radius of
B. Speed of
C. Fluid velocity leaving
D. None of these
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The dimension of kinematic viscosity is_________________?
A. Ml-2t-1
B. L2t-1
C. Ml-2t-2
D. None of these
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Drag force acting on a body does not depend upon the____________________?
A. Density of the fluid
B. Density of the body
C. Velocity of the body
D. Projected area of the body
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Word of the Day
23 Jul
Aisle
a passage between rows of seats in a building such as a church or theatre, an aircraft, or train.
طویل تنگ راستہ، نشتوں کے درمیان راستہ

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