Chemical Engineering MCQs

6108 MCQs  (Page 373 of 611)

Attempt Chemical Engineering Quiz
In a fluidised bed reactor___________________?
A. Temperature gradients are very high
B. Temperature is more or less uniform
C. Hot spots are formed
D. Segregation of the solids occurs
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For a fluid rotating at constant angular velocity about vertical axis as a rigid body, the pressure intensity varies as the___________________?
A. Square of the radial distance
B. Radial distance linearly
C. Inverse of the radial distance
D. Elevation along vertical direction
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For a given fluid flow rate, which of the following incurs maximum head loss ?
A. Orificemeter
B. Venturimeter
C. Flow nozzle
D. All of them incur the same head loss
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With the increase in depth, the hydrostatic pressure in an un-accelerated incompressible fluid (in a constant gravitational field) ?
A. Decreases
B. Increases linearly
C. Increases exponentially
D. Remain constant
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Pressure drop for turbulent fluid flow through a circular pipe is given by_________________?
A. 64/re
B. 32μlv/gc.d2
C. 4f (l/d) (v2/2gc). ρ
D. F (l/d) (v2/2gc). ρ
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An isentropic process is the one, in which_________________?
A. Pv = constant
B. Pvr= constant
C. Pvr = constant, and process is reversible
D. None of these
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A Pitot tube indicates 5 cm of water (manometer) when it is being used for measuring velocity of air. The velocity of air in m/sec is___________________?
A. 5
B. 14.1
C. 56.22
D. 28.2
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The speed of a sound wave in a gas is analogous to the speed of ______________________?
A. An elementary wave in an open channel
B. Flow in an open channel
C. A disturbance travelling upstream in moving fluid
D. None of these
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Which of the following is used for very accurate measurement of flow of gas at low velocity ?
A. Pitot tube
B. Rotameter
C. Segmental orificemeter
D. Hot wire anemometer
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Which law/principle of solid mechanics is similar/equivalent to Newton’s law of viscosity in fluid mechanics ?
A. Archimedes principle
B. Newton’s second law of motion
C. Hooke’s law
D. Newton’s third law of motion
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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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