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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.

_____________ dished head is the strongest of all?

A Hemispherical

B Elliptical

C Torispherical

D None of these

Review Detailed Answer

Correct Answer: Hemispherical

In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for______________?

A Reducing scale deposition

B Increasing pressure drop

C Fixing the tubes

D Creating turbulence

Review Detailed Answer

Correct Answer: Creating turbulence

The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally _____________ the tube wall thickness?

A Equal to

B Twice

C Four times

D Half

Review Detailed Answer

Correct Answer: Twice

LMTD correction factor is used in heat exchanger design for____________________?

A Double pipe heat exchanger

B Multipass shell and tube heat exchanger

C Fouling fluids

D Counter flow of hot and cold fluids

Review Detailed Answer

Correct Answer: Counter flow of hot and cold fluids

A binary liquid Azeotropic mixture has boiling point higher than either of the components, when it shows ______________ deviation from Raoult’s Law?

A Positive

B Negative

C No

D None of these

Review Detailed Answer

Correct Answer: Negative

Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate ?

A Triangular pitch

B Square pitch

C Diagonal square pitch

D Heat transfer rate is independent of tube arrangement

Review Detailed Answer

Correct Answer: Triangular pitch

Cooling water fouling factors vary in the range of 0.001 to 0.003____________________?

A (BTU/hr.ft2. °F)-1

B (kcal/hr.m2.°C)-1

C (W/m2.°K)-1

D (kcal/hr. m. °C)-1

Review Detailed Answer

Correct Answer: (BTU/hr.ft2. °F)-1

The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is_________________?

A < 30

B < 7

C > 7 20 < 50

Review Detailed Answer

Correct Answer: < 7

For identical situation, condensing film coefficient in case of a horizontal condenser is almost ______________ the value expected in case of vertical condenser?

A Half

B Twice

C Thrice

D Five times

Review Detailed Answer

Correct Answer: Thrice

Length to diameter ratio of most rotary driers is in the range of____________________?

A 1 to 2

B 4 to 10

C 10 to 20

D 20 to 30

Review Detailed Answer

Correct Answer: 4 to 10

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

_____________ dished head is the strongest of all?

In a multipass shell and tube heat exchanger, the baffles on shell side is primarily provided for______________?

The thickness of segmental baffles (25 -35% cut truncated plates usually) is generally _____________ the tube wall thickness?

LMTD correction factor is used in heat exchanger design for____________________?

A binary liquid Azeotropic mixture has boiling point higher than either of the components, when it shows ______________ deviation from Raoult’s Law?

Which tube arrangement in a heat exchanger would facilitate highest heat transfer rate ?

Cooling water fouling factors vary in the range of 0.001 to 0.003____________________?

The difficulty of liquid distribution in packed towers is accentuated, when the ratio of tower diameter to packing diameter is_________________?

For identical situation, condensing film coefficient in case of a horizontal condenser is almost ______________ the value expected in case of vertical condenser?

Length to diameter ratio of most rotary driers is in the range of____________________?