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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.

Baffle spacing is generally _________________ the I.D. of the shell ?

A More than

B Not greater than

C Not less than one fifth of

D Both B. and C.

Review Detailed Answer

Correct Answer: Both B. and C.

In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a __________________?

A Clearance of 25-75 mm

B Cap pitch of 1.3-2 times the cap diameter

C Either A. or B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Either A. or B.

In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) ?

A 4(P2 – πd2/4)/πd

B (P2 – rd2/4)/rd

C 4P2/πd

D πd/4P2

Review Detailed Answer

Correct Answer: 4(P2 – πd2/4)/πd

For identical operating conditions, the pressure drop over _______________ tray is the highest out of the following?

A Sieve

B Valve

C Counter flow

D Bubble cap

Review Detailed Answer

Correct Answer: Bubble cap

Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is_______________?

A Same

B Less

C About 3 times

D About 0.33 times

Review Detailed Answer

Correct Answer: About 3 times

Wind load consideration in the design of a support can be neglected, when the vessel is___________________?

A Tall (say 30 metres), but is full of liquid

B Tall but empty

C Short (< 2 m) and housed indoor

D None of these

Review Detailed Answer

Correct Answer: Short (< 2 m) and housed indoor

Factor of safety (i.e., overdesign factor) in heat transfer equipments is about _____________ percent more than the actual/theoretical design factor?

A 5-10

B 15-20

C 30-35

D 35-40

Review Detailed Answer

Correct Answer: 15-20

The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the _____________ stress?

A Yield point

B Breaking

C Ultimate

D None of these

Review Detailed Answer

Correct Answer: Ultimate

For a 25 mm hole drilled in plates to be riveted, the shank diameter of the rivet should be _______________ mm?

A 25

B 23

C 26

D 27

Review Detailed Answer

Correct Answer: 23

In case of a ‘thin’ pressure vessel, the ratio of its diameter to wall thickness is_________________?

A < 10

B > 10

C > 20

D 30

Review Detailed Answer

Correct Answer: > 10

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Baffle spacing is generally _________________ the I.D. of the shell ?

In the allocated cap area, bubble caps are generally arranged on equilateral triangular pitch. Number of caps fixed on a plate is with a __________________?

In a shell and tube heat exchanger having square pitch, the shell side equivalent diameter is given by (where, P = pitch, d = outside diameter of the tube) ?

For identical operating conditions, the pressure drop over _______________ tray is the highest out of the following?

Heat transfer co-efficient for a horizontal condenser as compared to a vertical condenser operating under similar conditions is_______________?

Wind load consideration in the design of a support can be neglected, when the vessel is___________________?

Factor of safety (i.e., overdesign factor) in heat transfer equipments is about _____________ percent more than the actual/theoretical design factor?

The ratio of the largest load in a test to the original cross-sectional area of the test specimen is called the _____________ stress?

For a 25 mm hole drilled in plates to be riveted, the shank diameter of the rivet should be _______________ mm?

In case of a ‘thin’ pressure vessel, the ratio of its diameter to wall thickness is_________________?