Fluid Mechanics for Chemical MCQs

724 MCQs  — Chemical Engineering MCQs  (Page 23 of 73)

Attempt Fluid Mechanics for Chemical Quiz
Hydraulic _____________ works on the principle of Pascal’s law of transmission of fluid pressure?
A. Press
B. Turbine
C. Pump
D. Coupling
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The discharge through a semi-circular weir varies as (where, H = Head of liquid.) ?
A. H
B. H2
C. H3/2
D. H1/2
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Piezometric head is the sum of the ______________ heads?
A. Elevation & kinetic energy
B. Elevation & pressure
C. Kinetic energy & pressure
D. None of these
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Which of the following exemplifies a three dimensional fluid flow ?
A. Fluid flow at the inlet to a nozzle
B. Fluid flow between parallel plates
C. Viscous fluid flow between converging plates
D. None of these
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f = 16/NRe, is valid for__________________?
A. Turbulent flow
B. Laminar flow through an open channel
C. Steady flow
D. None of these
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Which law is followed by the velocity distribution in the turbulent boundary layer ?
A. Parabolic law
B. Linear law
C. Logarithmic law
D. None of these
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In case of turbulent flow of a Newtonian fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity)?
A. Vavg
B. 1.2 vavg
C. 1.5 vavg
D. 1.8 vavg
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Unsteady non-uniform flow is represented by flow through a/an_________________?
A. Long pipe at constant rate
B. Long pipe at decreasing rate
C. Expanding tube at increasing rate
D. Expanding tube at constant rate
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Slugging occurs in a fluidised bed, if the bed is___________________?
A. Narrow
B. Deep
C. Both a. & b.
D. Neither a. nor b.
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The curve of metacentre for a floating body ____________ the curve of buoyancy?
A. Is always below
B. Is the evolute of
C. Intersects at right angle
D. Is tangential to
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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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