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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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Chemical Engineering MCQs designed for job test and interview preparation, particularly for fresh graduates, students, and candidates appearing in competitive exams. These multiple-choice questions cover important topics such as the fundamentals of chemical engineering, chemical processes, chemical reactions, process control, and instrumentation, along with other key concepts in the field.

All Topics  9594

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
Correct Answer: 28.2
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
Correct Answer: pvr = constant, and process is reversible
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
Correct Answer: 4f (L/D) (v2/2gc). ρ
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
Correct Answer: Increases linearly
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
Correct Answer: Orificemeter
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
Correct Answer: Square of the radial distance
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
Correct Answer: Temperature is more or less uniform
What type of motion the fluid element undergoes, when it changes from one position to another position, such that the angle between the two sides changes ?
A Rotation
B Translation
C Linear deformation
D Angular deformation
Correct Answer: Angular deformation
Mach number is the ratio of the speed of the _____________________?
A Fluid to that of the light
B Light to that of the fluid
C Fluid to that of the sound
D Sound to that of the fluid
Correct Answer: Fluid to that of the sound
Actual lift of a pump is always less than the theoretical lift and is limited by the__________________________?
A Specific gravity & temperature of the liquid
B Leakage & pressure decreasing at higher elevations
C Frictional resistance through pipes, fittings & passages
D All A., B. and C.
Correct Answer: All A., B. and C.
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