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.

For a given fluid, as the pipe diameter increases, the pumping cost ____________________?

A Decreases

B Increases

C Remain unaffected

D May increase or decrease depending upon whether the fluid is Newtonian or non-Newtonian

Review Detailed Answer

Correct Answer: Decreases

Movement of pipeline caused by thermal expansion is taken care by providing ___________________?

A Expansion joint

B Changes in its direction

C Change in the shape of pipeline

D All A., B. and C.

Review Detailed Answer

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

In most of the shell and tube heat exchangers, the tube pitch is generally ______________ the tube diameter?

A Less than

B 1.25-1.50 times

C 2.5 times

D one-fourth of

Review Detailed Answer

Correct Answer: 1.25-1.50 times

Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of ____________________?

A Preventing the local overstressing of the shell around the opening

B Reduction of discontinuity in shape at the junction

C Making the joint leak proof

D None of these

Review Detailed Answer

Correct Answer: Preventing the local overstressing of the shell around the opening

The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles ?

A To increase the residence time of shell side fluid

B To provide support to the tube bundle

C To reduce the induced vibration in the tubes

D To increase the tube side heat transfer co-efficient by inducing turbulence

Review Detailed Answer

Correct Answer: To increase the tube side heat transfer co-efficient by inducing turbulence

In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as___________________?

A 0.1

B 0.8

C 0.25

D 0.5

Review Detailed Answer

Correct Answer: 0.8

Hoop (circumferential) stress induced in a thin walled ‘Horton Sphere’ used for the storage of liquid ammonia under pressure is____________________?

A pD/2T

B pD/4T

C pD/3T

D pD/6T

Review Detailed Answer

Correct Answer: pD/2T

In case of 1.5″ heat exchanger tubes, the inside flow area _____________ with decrease in BWG?

A Increases

B Decreases

C Remains same

D None of these

Review Detailed Answer

Correct Answer: Decreases

Hole diameter of the sieve trays in the distillation column ranges from ______________ mm?

A 1 to3

B 4 to 8

C 3 to 12.5

D 12.5 to 18.5

Review Detailed Answer

Correct Answer: 3 to 12.5

Pick out the wrong statement pertaining to the design of the distillation column?

A Generally, a skirt clearance of 0.5″ to 1.5′ is recommended to prevent plugging of the slots by

B The purpose of the slot is to disperse the gas into the liquid in the form of small bubbles

C If sufficient slot area is not provided, the gas may pass through the skirt clearance

D None of these

Review Detailed Answer

Correct Answer: None of these

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

For a given fluid, as the pipe diameter increases, the pumping cost ____________________?

Movement of pipeline caused by thermal expansion is taken care by providing ___________________?

In most of the shell and tube heat exchangers, the tube pitch is generally ______________ the tube diameter?

Any shell opening greater than 5 cms for a storage tank must be reinforced for reason of ____________________?

The centre to centre distance between two consecutive baffles in a shell and tube heat exchanger is called the baffle pitch or baffle spacing, which is more than 1/5th the I.D. of the shell. Which of the following is not a function of the baffles ?

In the design of a paddle agitator, the ratio (paddle dia/tank dia) is normally taken as___________________?

Hoop (circumferential) stress induced in a thin walled ‘Horton Sphere’ used for the storage of liquid ammonia under pressure is____________________?

In case of 1.5″ heat exchanger tubes, the inside flow area _____________ with decrease in BWG?

Hole diameter of the sieve trays in the distillation column ranges from ______________ mm?

Pick out the wrong statement pertaining to the design of the distillation column?