Chemical Engineering MCQs

6108 MCQs (Page 393 of 611)

Attempt Chemical Engineering Quiz

Pumping of a corrosive liquid is generally preferred to be done by a ______________ pump, as it can be made of a variety of materials including plastics?

A. Piston
B. Gear
C. Positive displacement
D. Sump

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The line traced by a single fluid particle as it moves over a period of time is called ______________ line?

A. Stream
B. Path
C. Equipotential
D. None of these

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While starting an axial flow pump, its delivery valve should be kept _______________?

A. Open
B. Closed
C. Either open or closed
D. None of these

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Which of the following is not an advantage of fluidisation from transfer operation point of view ?

A. Intimate contact of the fluid with all parts of the solid particles
B. Lower fluid pumping power requirement
C. Minimisation of temperature variation
D. Prevention of particle segregation

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What is the speed of sound (m/sec) in ordinary water ?

A. 1500
B. 330
C. 1000
D. 3000

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Fanning friction factor is equal to (where, fB = Blasius friction factor) ?

A. Fb/4
B. Fb/2
C. 4fb
D. 2fb

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With increase in the ratio of orifice diameter to pipe diameter in case of an orificemeter, the overall pressure loss_______________?

A. Decreases
B. Increases
C. Remain constant
D. Increases linearly

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_____________ forces do not act in case of fluid flow ?

A. Elastic
B. Tensile
C. Vibratory
D. Centrifugal

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Out of the following flow measuring devices, which one incurs the maximum installation cost as well as pressure loss ?

A. Flow nozzle
B. Venturimeter
C. Rotameter
D. Orificemeter

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One dimensional flow implies________________________?

A. Flow in a straight line
B. Steady uniform flow
C. Unsteady uniform flow
D. A flow which does not account for changes in transverse direction

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