Chemical Engineering MCQs

6108 MCQs  (Page 422 of 611)

Attempt Chemical Engineering Quiz
Which of the following may be termed as a variable orifice flow-meter ?
A. Rotameter
B. Pitot tube
C. V-notch
D. All a., b. and c.
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Open channel liquid flow is most conveniently measured by a__________________?
A. Hot wire anemometer
B. Notch
C. Rotameter
D. Segmental orifice
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The Navier-Stokes equation deals with the law of conservation of___________________?
A. Mass
B. Energy
C. Both a. & b.
D. Momentum
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While starting a centrifugal pump, its delivery valve should be kept___________________?
A. Opened
B. Closed
C. Either opened or closed; it does not make any difference
D. Either opened or closed; depending on the fluid viscosity
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Buoyant force__________________?
A. For non-symmetrical bodies is not vertical
B. Depends on the depth of the submergence of the floating body
C. Depends on the weight of the floating body
D. None of these
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The ratio of inertial forces to gravity forces is called the ______________ number?
A. Mach
B. Froude
C. Euler
D. Weber
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Boundary layer separation occurs when the____________________?
A. Pressure reaches a minimum
B. Cross-section of the channel is reduced
C. Valve is closed in a pipeline
D. Velocity of sound is reached
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Boiler feed water pump is usually a ______________ pump?
A. Reciprocating
B. Gear
C. Multistage centrifugal
D. Diaphragm
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The rate of change of moment of momentum represents the ______________ by the fluid?
A. Torque applied
B. Force exerted
C. Work done
D. Power developed
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Interstage coolers are provided in a multistage compressor to____________________?
A. Save power in compressing a given volume to a given pressure
B. Cool the delivered air
C. Achieve the exact delivery pressure
D. None of these
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Word of the Day
26 Jul
Simultaneously
at the same time.
ایک ہی وقت میں، ایک ساتھ، بیک وقت

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