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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

Hydraulic _____________ works on the principle of Pascal’s law of transmission of fluid pressure?
A Press
B Turbine
C Pump
D Coupling
Correct Answer: Press
Multistage compressors are used in industry, because they____________________?
A Reduce the cost of compressor
B Reduce the size requirement
C Resemble closely to isothermal compression
D Are easy to control
Correct Answer: Resemble closely to isothermal compression
Dimension of kinematic viscosity is_____________________?
A MLT-1
B L2T-1
C L2T
D L2T-2
Correct Answer: L2T-1
In case of Couette flow, the fluid flow is between two large flat parallel plates with___________________?
A Top plate moving and the bottom plate fixed
B Bottom plate moving and the top plate fixed
C Both the plates fixed
D Both the plates moving
Correct Answer: Top plate moving and the bottom plate fixed
Weber number is the ratio of inertial force to _____________ force?
A Surface tension
B Gravity
C Viscous
D Elastic
Correct Answer: Surface tension
Potential flow is the flow of______________?
A Compressible fluids with shear
B Compressible fluids with no shear
C Incompressible fluids with shear
D Incompressible fluids with no shear
Correct Answer: Incompressible fluids with no shear
Prandtl number is a measure of the__________________?
A Heat conduction to viscosity of a fluid
B Cp/Cv of a fluid
C Elastic force to pressure force in the fluid flow
D Inertial force to elastic force in the fluid flow
Correct Answer: Heat conduction to viscosity of a fluid
The head loss in turbulent flow in pipe is proportional to(where, V = velocity of fluid through the pipe) ?
A V2
B 1/V2
C 1/V
D V
Correct Answer: V2
Gradually varying fluid flow is an example of ____________ flow?
A Non-steady uniform
B Non-steady non-uniform
C Steady uniform
D Steady non-uniform
Correct Answer: Non-steady uniform
Hydraulic mean radius for flow through packed bed of spherical particle of size, ‘Dp, with porosity ‘ε’ is________________?
A (Dp/6) (ε/1- ε)
B (Dp/6) (1- ε/ε)
C ⅔Dp (1- ε/ε)
D ⅔Dp (ε/1- ε)
Correct Answer: (Dp/6) (ε/1- ε)
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