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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.

The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is___________________?

A √(HW/π)

B HW/2 (H + W)2

C HW/4 (H + W)2

D 2HW/(H + W)

Review Detailed Answer

Correct Answer: HW/2 (H + W)2

Permanent pressure loss in a well designed Venturimeter is about _____________ percent of the venturi differential?

A 1

B 10

C 30

D 50

Review Detailed Answer

Correct Answer: 1

For an ideal fluid flow, Reynolds number is___________________?

A 2100

B 100

C 0

D ∞

Review Detailed Answer

Correct Answer: ∞

Unit of mass velocity is__________________?

A kg/hr

B kg/m2. hr

C kg/m2

D kg/m3. hr

Review Detailed Answer

Correct Answer: kg/m2. hr

The lift of a balloon is_________________?

A Increased, as it rises to a higher altitude

B Due to the weight of the atmospheric air, that it displaces

C Not dependent on the temperature of the atmosphere

D None of these

Review Detailed Answer

Correct Answer: Due to the weight of the atmospheric air, that it displaces

The most economical flow control valve for use with large diameter pipes is a__________________?

A Butterfly valve

B Globe valve

C Needle valve

D None of these

Review Detailed Answer

Correct Answer: Butterfly valve

The equivalent diameter for fluid flow through square cross section channel of side ‘x’, for pressure drop calculation purpose is given by____________________?

A 4x

B 2x

C x

D √x

Review Detailed Answer

Correct Answer: x

Minimum fluidisation velocity for a specific system depends upon the___________________?

A Particle size

B Fluid viscosity

C Density of both the particle & the fluid

D All A., B. and C.

Review Detailed Answer

Correct Answer: All A., B. and C.

In case of a pipe of constant cross-sectional area, the maximum fluid velocity obtainable is___________________?

A The velocity of sound

B Dependent on its cross-sectional area

C Dependent on fluid viscosity

D Dependent on fluid density

Review Detailed Answer

Correct Answer: The velocity of sound

Pressure drop for laminar fluid flow through a circular pipe is given by__________________?

A 4f (L/D) (v2/2gc) ρ

B 32 (μLV/gc D2)

C 16/NRe

D (fLρ/D) (v2/2gc)

Review Detailed Answer

Correct Answer: 32 (μLV/gc D2)

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The hydraulic radius for flow in a rectangular duct of cross-sectional dimension H, W is___________________?

Permanent pressure loss in a well designed Venturimeter is about _____________ percent of the venturi differential?

For an ideal fluid flow, Reynolds number is___________________?

Unit of mass velocity is__________________?

The lift of a balloon is_________________?

The most economical flow control valve for use with large diameter pipes is a__________________?

The equivalent diameter for fluid flow through square cross section channel of side ‘x’, for pressure drop calculation purpose is given by____________________?

Minimum fluidisation velocity for a specific system depends upon the___________________?

In case of a pipe of constant cross-sectional area, the maximum fluid velocity obtainable is___________________?

Pressure drop for laminar fluid flow through a circular pipe is given by__________________?