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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.

Which of the following has the least value of ultimate tensile strength (UTS) ?

A Medium carbon steel

B High carbon steel

C Cast iron

D Wrought iron

Review Detailed Answer

Correct Answer: High carbon steel

With increase in compression ratio, the volumetric efficiency of air compressor____________________?

A Increases

B Decreases

C Remain same

D May increase or decrease (depends on the suction pressure)

Review Detailed Answer

Correct Answer: Increases

Compressed dry air is used as the cutting fluid, while machining____________________?

A Steel

B Cast iron

C Aluminium

D None of these

Review Detailed Answer

Correct Answer: Cast iron

With increase in temperature, the surface tension of water_______________________?

A Increases

B Decreases

C Remain constant

D Increases linearly

Review Detailed Answer

Correct Answer: Decreases

Brittleness induced due to the presence of sulphur in steel can be reduced by adding____________________?

A Manganese

B Magnesium

C Vanadium

D Copper

Review Detailed Answer

Correct Answer: Manganese

In practice, the compression ratio of compression-ignition (CI) engine ranges from ______________________?

A 15 to 25

B 5 to 10

C 40 to 55

D 60 to 70

Review Detailed Answer

Correct Answer: 15 to 25

The specific gravity of coal depends mainly on its __________________ content ?

A Carbon

B Volatile matter

C Ash

D Moisture

Review Detailed Answer

Correct Answer: Moisture

The refractory lining of the bottom in a basic electric arc furnace is made of___________________?

A Silica

B Alumina

C Magnesia

D Fireclay

Review Detailed Answer

Correct Answer: Magnesia

Unit of viscosity in CGS system is_______________________?

A gm .cm-1 sec-1

B gm . cm2 . sec-2

C gm .cm-2, sec-1

D gm . cm . sec-1

Review Detailed Answer

Correct Answer: gm .cm-1 sec-1

A dummy activity is used in PERT network to describe the_____________________?

A Precedence relationship

B Resource idleness

C Resource restriction

D Necessary time delay

Review Detailed Answer

Correct Answer: Precedence relationship

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Which of the following has the least value of ultimate tensile strength (UTS) ?

With increase in compression ratio, the volumetric efficiency of air compressor____________________?

Compressed dry air is used as the cutting fluid, while machining____________________?

With increase in temperature, the surface tension of water_______________________?

Brittleness induced due to the presence of sulphur in steel can be reduced by adding____________________?

In practice, the compression ratio of compression-ignition (CI) engine ranges from ______________________?

The specific gravity of coal depends mainly on its __________________ content ?

The refractory lining of the bottom in a basic electric arc furnace is made of___________________?

Unit of viscosity in CGS system is_______________________?

A dummy activity is used in PERT network to describe the_____________________?