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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.

Generally, elliptical dished heads____________________?

A Are manufactured on 2:1 ratio of major to minor axis and is recommended to be used for

B Resist half the pressure rating compared to hemi spherical head provided on the cylindrical

C Are approximately as strong as seamless cylindrical shell having the corresponding I.D and

D All A., B. and C.

Review Detailed Answer

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

For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be ____________ times?

A About 9

B Considerably more than 9

C Considerably less than 9

D About 3

Review Detailed Answer

Correct Answer: Considerably more than 9

The retention time of material in a rotary dryer depends upon its ______________________?

A rpm

B Slope & length

C Flights arrangement

D All A., B. and C.

Review Detailed Answer

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

Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the__________________?

A Practical limit reached, due to low heat transfer rate because of inadequate temperature

B Economic limit reached, when the plant cost exceeds the saving of steam

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

A high vapour velocity is required for high plate efficiency in a sieve plate column. The satisfactory value of operating vapor velocity for design purpose in sieve plate column is about _______________ percent of the flooding velocity?

A 45

B 60

C 80

D 95

Review Detailed Answer

Correct Answer: 80

Tube side heat transfer co-efficient for turbulent flow of liquid through tubes is proportional to___________________?

A G0.2

B G0.5

C G0.8

D G1.5

Review Detailed Answer

Correct Answer: G0.8

Thickness of the frame of a plate and frame filter as compared to that of plates is___________________?

A Less

B Same

C More

D Either A. or B.

Review Detailed Answer

Correct Answer: More

Lap joints are preferred for plates having thickness _______________ mm?

A < 12.5

B > 3

C > 5

D 5-10

Review Detailed Answer

Correct Answer: > 3

Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing___________________?

A Rupture diaphragm

B Dikes

C Surge chamber

D None of these

Review Detailed Answer

Correct Answer: Rupture diaphragm

Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of _______________ type?

A Nozzle or rim

B Flared out

C Fluid in

D Ring plate

Review Detailed Answer

Correct Answer: Nozzle or rim

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Generally, elliptical dished heads____________________?

For given number of passes, pitch & tube diameter, the maximum number of tubes that can be accommodated in a shell of tripled inside diameter will be ____________ times?

The retention time of material in a rotary dryer depends upon its ______________________?

Number of evaporators which can be used in service in a multiple effect evaporation system is limited by the__________________?

A high vapour velocity is required for high plate efficiency in a sieve plate column. The satisfactory value of operating vapor velocity for design purpose in sieve plate column is about _______________ percent of the flooding velocity?

Tube side heat transfer co-efficient for turbulent flow of liquid through tubes is proportional to___________________?

Thickness of the frame of a plate and frame filter as compared to that of plates is___________________?

Lap joints are preferred for plates having thickness _______________ mm?

Hazards associated with the relief valve leakage for extremely hazardous material storage can be taken care of by providing___________________?

Compensation against openings in process vessels for giving inlet and outlet connections, for providing sight glasses and manholes etc. is provided for strength and rigidity. The most efficient type of compensation is of _______________ type?