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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

Low specific speed of a pump implies that, it is a/an ______________ pump?
A Axial flow
B Centrifugal
C Mixed flow
D None of these
Correct Answer: Centrifugal
Function of air vessel provided in a reciprocating pump is to_________________?
A Reduce discharge fluctuation
B Reduce the danger of cavitation
C Avoid the necessity of priming
D Increase the pump efficiency
Correct Answer: Reduce discharge fluctuation
A relief valve__________________?
A Provides back pressure for a cylinder
B Unloads a pump
C Is a directional control valve
D None of these
Correct Answer: Is a directional control valve
Slugging occurs in a fluidised bed, if the bed is___________________?
A Narrow
B Deep
C Both A. & B.
D Neither A. nor B.
Correct Answer: Both A. & B.
Unsteady non-uniform flow is represented by flow through a/an_________________?
A Long pipe at constant rate
B Long pipe at decreasing rate
C Expanding tube at increasing rate
D Expanding tube at constant rate
Correct Answer: Expanding tube at increasing rate
In case of turbulent flow of a Newtonian fluid in a straight pipe, the maximum velocity is equal to (where, Vavg = average fluid velocity)?
A Vavg
B 1.2 Vavg
C 1.5 Vavg
D 1.8 Vavg
Correct Answer: Vavg
Which law is followed by the velocity distribution in the turbulent boundary layer ?
A Parabolic law
B Linear law
C Logarithmic law
D None of these
Correct Answer: Logarithmic law
f = 16/NRe, is valid for__________________?
A Turbulent flow
B Laminar flow through an open channel
C Steady flow
D None of these
Correct Answer: None of these
Which of the following exemplifies a three dimensional fluid flow ?
A Fluid flow at the inlet to a nozzle
B Fluid flow between parallel plates
C Viscous fluid flow between converging plates
D None of these
Correct Answer: Fluid flow at the inlet to a nozzle
Piezometric head is the sum of the ______________ heads?
A Elevation & kinetic energy
B Elevation & pressure
C Kinetic energy & pressure
D None of these
Correct Answer: Elevation & pressure
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