Chemical Engineering MCQs

6108 MCQs  (Page 397 of 611)

Attempt Chemical Engineering Quiz
Upto what value of ‘Mach number’, a fluid may be considered as incompressible ?
A. 0.03
B. 0.3
C. 3
D. 10
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Velocity distribution for flow between two fixed parallel plates_________________?
A. Varies parabolically across the section
B. Is constant over the entire cross-section
C. Is zero at the plates and increases linearly to the mid-plane
D. None of these
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The variable required to be known in correlations used for estimating the horse power of a centrifugal gas compressor and hence its cost is P. Inlet pressure Q. Compressor rpm R. Delivery pressure S. Volumetric flow rate at inlet ?
A. P, q and r
B. P and r
C. R and s
D. P, rand s
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Differential manometer measures the____________________?
A. Atmospheric pressure
B. Sub-atmospheric pressure
C. Pressure difference between two points
D. None of these
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Medium viscosity lubricating oil can be most ideally pumped by a ______________ pump?
A. Vane
B. Piston
C. Centrifugal
D. Plunger
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With increase in temperature, the vapor pressure of liquids__________________?
A. Increases
B. Increases linearly
C. Decreases
D. Remain constant
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Remote control valve is a _______________ valve?
A. Gate
B. Butterfly
C. Needle
D. Globe
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Most of the centrifugal pumps used in chemical plants are usually ____________________ driven?
A. Steam
B. Diesel engine
C. Electric motor
D. Gas turbine
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The uniformity of a gas fluidised bed depends upon the _______________ of the solid particles?
A. Size
B. Surface properties
C. Both a. and b.
D. Neither a. nor b.
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Permanent loss in a Venturimeter is about ___________ percent of the pressure drop in the upstream cone?
A. 1
B. 10
C. 40
D. 70
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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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