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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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.

Theoretical head developed by a centrifugal pump does not depend upon the _____________ the impeller?

A Radius of

B Speed of

C Fluid velocity leaving

D None of these

Review Detailed Answer

Correct Answer: None of these

Pascal’s law is valid, only when the fluid is_____________________?

A Frictionless and at rest

B At rest

C At rest and when the frictionless fluid is in motion

D None of these

Review Detailed Answer

Correct Answer: At rest

Fluid flow at increasing rate through a diverging pipe is an example of ______________ flow?

A Steady uniform

B Non-steady uniform

C Steady non-uniform

D Non-steady non-uniform

Review Detailed Answer

Correct Answer: Non-steady non-uniform

Which of the following assumptions enables the Euler’s equation of motion to be integrated ?

A The fluid is incompressible

B The fluid is non-viscous

C The continuity equation is satisfied

D The flow is rotational and incompressible

Review Detailed Answer

Correct Answer: The fluid is incompressible

What is the pipe called which lifts water from a reservoir to a greater height than the initial level in the supply reservoir ?

A Penstock

B Siphon

C Tunnel

D Pressure pipeline

Review Detailed Answer

Correct Answer: Siphon

In turbulent flow, a rough pipe has the same friction factor as a smooth pipe____________________?

A In the zone of complete turbulence

B When the roughness projections are much smaller than the thickness of the laminar film

C Everywhere in the transition zone

D When the friction factor is independent of the Reynold’s number

Review Detailed Answer

Correct Answer: When the roughness projections are much smaller than the thickness of the laminar film

A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is _____________ hp?

A 1

B 10/55

C 5.5

D 1/55

Review Detailed Answer

Correct Answer: 1

A pitched-blade turbine draws ______________ a straight blade turbine?

A Less power than

B More power than

C Same power as

D Data insufficient to predict

Review Detailed Answer

Correct Answer: Less power than

Absolute viscosity of a fluid is a function of the __________ of the fluid?

A Motion

B Pressure & temperature

C Shearing stress

D Both B. & C.

Review Detailed Answer

Correct Answer: Both B. & C.

For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by_______________?

A ∂u/∂x = 0

B ∂(ρu)/∂x = 0

C (∂u/∂x) = – (∂ρ/∂t)

D ∂ρ/∂t = 0

Review Detailed Answer

Correct Answer: ∂u/∂x = 0

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Theoretical head developed by a centrifugal pump does not depend upon the _____________ the impeller?

Pascal’s law is valid, only when the fluid is_____________________?

Fluid flow at increasing rate through a diverging pipe is an example of ______________ flow?

Which of the following assumptions enables the Euler’s equation of motion to be integrated ?

What is the pipe called which lifts water from a reservoir to a greater height than the initial level in the supply reservoir ?

In turbulent flow, a rough pipe has the same friction factor as a smooth pipe____________________?

A fluid is pumped at the rate of 10 lb/sec to a height of 55 ft. The horse power required is _____________ hp?

A pitched-blade turbine draws ______________ a straight blade turbine?

Absolute viscosity of a fluid is a function of the __________ of the fluid?

For one dimensional flow of an incompressible fluid in unsteady state in x-direction, the continuity equation is given by_______________?