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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 Venturimeter measures the___________________?
A Velocity head
B Pressure
C Point velocity
D None of these
Correct Answer: None of these
In an incompressible flow of fluid, the fluid ________________?
A Temperature remains constant
B Compressibility is greater than zero
C Density does not change with pressure & temperature
D Is frictionless
Correct Answer: Density does not change with pressure & temperature
An ideal plastic substance indicates no deformation, when stressed upto yield stress, but behaves like a Newtonian fluid beyond yield stress. Which of the following is an ideal plastic ?
A Sewage sludge
B Rubber latex
C Blood
D Sugar solution
Correct Answer: Sewage sludge
In which of the following cases, it is possible for flow to occur from low pressure to high pressure ?
A Flow of liquid upward in a vertical pipe
B Flow through a converging section
C Flow of air downward in a pipe
D Impossible in a constant cross-section conduit
Correct Answer: Flow through a converging section
Two piping system are said to be equivalent, when the ______________ are same?
A Fluid flow rate & friction loss
B Length & friction factor
C Diameter & friction factor
D Length & diameter
Correct Answer: Fluid flow rate & friction loss
Ratio of inertial forces to surface tension forces is called the _____________ number?
A Euler
B Froude
C Mach
D Weber
Correct Answer: Weber
Normal depth in open channel flow is the depth of flow in the channel ____________________?
A Corresponding to uniform flow
B Measured normal to the channel bed
C Corresponding to steady flow
D None of these
Correct Answer: Corresponding to uniform flow
Boundary layer thickness in laminar flow over a flat plate increases as(where, d = distance from the leading edge.) ?
A √d
B d1/3
C d2
D d2/3
Correct Answer: √d
____________ flow means the flow of incompressible fluid with no shear ?
A Potential
B Streamline
C Creep
D Boundary layer
Correct Answer: Potential
Centrifugal pump can’t be used to pump _____________________?
A Molten sodium (used as a coolant in Fast Breeder Reactor)
B Moderately viscous vegetable oil used in soap industry
C Thick molten soap at 80°C
D None of the above
Correct Answer: Thick molten soap at 80°C
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