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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.

In frictional fluid flow, the quantity, (P/ρ) + (V2/2gc) + gz/gc) is___________________?

A Constant along a streamline

B Not constant along a streamline

C Increased in the direction of flow

D None of these

Review Detailed Answer

Correct Answer: Not constant along a streamline

A Newtonian liquid (ρ = density, μ = viscosity) is flowing with velocity „v‟ in a tube of diameter ‘D’. Let Δp be the pressure drop across the length ‘L’. For a laminar flow, Δp is proportional to_________________?

A Lρv2/D

B LμV/D2

C Dρv2/L

D μV/L

Review Detailed Answer

Correct Answer: Lρv2/D

An equipotential line is _____________ to the velocity vector at every point?

A Normal

B Parallel

C Tangential

D None of these

Review Detailed Answer

Correct Answer: Normal

The nominal size of a hose pipe is specified by its _________________?

A I.D.

B O.D.

C Thickness

D None of these

Review Detailed Answer

Correct Answer: I.D.

The equivalent diameter for pressure drop calculation for a fluid flowing through a rectangular cross-section channels having sides ‘x’ & ‘y’ is given by_________________?

A 2xy/(x + y)

B xy/(x + y)

C (x + y)/2xy

D (x + y)/xy

Review Detailed Answer

Correct Answer: 2xy/(x + y)

For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is________________?

A More

B Less

C Equal

D Independent of porosity

Review Detailed Answer

Correct Answer: Less

Each term in Bernoulli‟s equation represents the _____________ of the fluid?

A Energy per unit mass

B Energy per unit weight

C Force per unit mass

D None of these

Review Detailed Answer

Correct Answer: Energy per unit weight

For laminar flow through a closed conduit____________________?

A Vmax = 2Vav

B Vmax = Vav

C Vmax = 1.5Vav

D Vmax = 0.5Vav

Review Detailed Answer

Correct Answer: Vmax = 2Vav

One dimensional fluid flow implies the ________________________?

A Flow in straight lines only

B Uniform flow

C Steady uniform flow

D Flow in which transverse components are zero

Review Detailed Answer

Correct Answer: Flow in which transverse components are zero

Turbine impeller____________________?

A Produces only radial current

B Produces only tangential current

C Is effective over wide range of viscosities

D Does not produce tangential current

Review Detailed Answer

Correct Answer: Is effective over wide range of viscosities

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In frictional fluid flow, the quantity, (P/ρ) + (V2/2gc) + gz/gc) is___________________?

A Newtonian liquid (ρ = density, μ = viscosity) is flowing with velocity „v‟ in a tube of diameter ‘D’. Let Δp be the pressure drop across the length ‘L’. For a laminar flow, Δp is proportional to_________________?

An equipotential line is _____________ to the velocity vector at every point?

The nominal size of a hose pipe is specified by its _________________?

The equivalent diameter for pressure drop calculation for a fluid flowing through a rectangular cross-section channels having sides ‘x’ & ‘y’ is given by_________________?

For liquid flow through a packed bed, the superficial velocity as compared to average velocity through the channel in the bed is________________?

Each term in Bernoulli‟s equation represents the _____________ of the fluid?

For laminar flow through a closed conduit____________________?

One dimensional fluid flow implies the ________________________?

Turbine impeller____________________?