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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 clearance between two tubes in a shell and tube heat exchanger is known as ‘ligament’, whose minimum value is _____________ the outside diameter of the tube, but in no case it should be less than 4.5 mm?

A Equal to

B Half

C One fourth

D Three fourth

Review Detailed Answer

Correct Answer: One fourth

A binary liquid Azeotropic mixture has boiling point lower 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: Positive

In a _____________ riveted joint, the number of rivets decreases from the innermost row to the outermost row?

A Chain

B Diamond

C Zig-zag

D None of these

Review Detailed Answer

Correct Answer: Diamond

The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always ?

A 1

B < 1

C > 1

D Equal to the order of reaction

Review Detailed Answer

Correct Answer: 1

Pick out the wrong statement ?

A In a flanged and standard dished head, the crown radius is ≤ shell outside diameter

B In a flanged and shallow dished head, the crown radius is > shell outside diameter

C Flat head covers are most suitable for larger vessels operating at very high pressure

D Flanged only head is a type of flat head in which gradual change in the shape at the centre results in reduced local stresses

Review Detailed Answer

Correct Answer: Flat head covers are most suitable for larger vessels operating at very high pressure

Normally, the length to diameter ratio of rotary dryers varies from 4 to 10 and for its economic operation; the number of transfer units (NTU) for such dryers varies from ?

A 1.5-2.5

B 3.5-5.5

C 7.5-10.0

D 10-15

Review Detailed Answer

Correct Answer: 1.5-2.5

Filtration rate is affected by the________________?

A Pressure drop across the cake & filter medium

B Cake & filter medium resistance

C Area of filtering surface & the viscosity of filtrate

D All A., B. and C.

Review Detailed Answer

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

_____________ shaped roof is the most commonly used roof for cylindrical storage tanks?

A Conical

B Flat

C Dome

D Umbrella

Review Detailed Answer

Correct Answer: Conical

The minimum shell thickness for tank ≤ 15 metres diameter is limited to _______________ mm, for reasons of elastic stability?

A 2

B 5

C 10

D 15

Review Detailed Answer

Correct Answer: 5

A ‘rupture disc’ is provided in chemical equipments as an accessory meant for ___________________?

A Relieving excess pressure

B Creating turbulence

C Enhancing mixing rate

D Avoiding vortex formation

Review Detailed Answer

Correct Answer: Relieving excess pressure

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The clearance between two tubes in a shell and tube heat exchanger is known as ‘ligament’, whose minimum value is _____________ the outside diameter of the tube, but in no case it should be less than 4.5 mm?

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

In a _____________ riveted joint, the number of rivets decreases from the innermost row to the outermost row?

The ratio of volumes of the mixed reactor to the plug flow reactor (for identical feed composition, flow rate, conversion, and for all positive reaction orders) is always ?

Pick out the wrong statement ?

Normally, the length to diameter ratio of rotary dryers varies from 4 to 10 and for its economic operation; the number of transfer units (NTU) for such dryers varies from ?

Filtration rate is affected by the________________?

_____________ shaped roof is the most commonly used roof for cylindrical storage tanks?

The minimum shell thickness for tank ≤ 15 metres diameter is limited to _______________ mm, for reasons of elastic stability?

A ‘rupture disc’ is provided in chemical equipments as an accessory meant for ___________________?