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.

Addition of _______________ to steel does not help in improving its machinability ?

A Sulphur

B Silicon

C Lead

D Phosphorous

Review Detailed Answer

Correct Answer: Silicon

A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?

A Aqueous tension

B Saturated humidity

C Vapor pressure

D Absolute humidity

Review Detailed Answer

Correct Answer: Aqueous tension

With increase in annealing temperature, the following defect density decreases?

A Vacancy

B Dislocation

C Grain boundary

D All of these

Review Detailed Answer

Correct Answer: All of these

The leaching solvent used in Baeyer’s process for the purification of bauxite is___________________?

A Ammonium hydroxide

B Sodium carbonate

C Sodium hydroxide

D Ammonium carbonate

Review Detailed Answer

Correct Answer: Sodium carbonate

Boiling point of water gets lowered at high altitudes (e.g., hills), because ___________________?

A Temperature is low

B Atmospheric pressure is low

C Atmospheric pressure is high

D None of these

Review Detailed Answer

Correct Answer: Atmospheric pressure is low

The process of removal of scale formed during hot rolling of steel is termed as_________________?

A Descaling

B Shot blasting

C Pickling

D Skimming

Review Detailed Answer

Correct Answer: Pickling

Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is____________________?

A Very low which prevents their ignition by compression

B Very high which prevents their ignition by compression

C Zero

D None of these

Review Detailed Answer

Correct Answer: Very low which prevents their ignition by compression

Which of the following is used to produce draught in the locomotive boilers ?

A Chimney

B Induced draught fan

C Forced draught fan

D Steam jet arrangement

Review Detailed Answer

Correct Answer: Steam jet arrangement

Which of the following materials has the least scrap value ?

A Aluminium

B Stainless steel

C Brass

D Copper

Review Detailed Answer

Correct Answer: Stainless steel

Young’s modulus of a material is the measure of its ___________________?

A Stiffness

B Malleability

C Creep resistance

D Tensile strength

Review Detailed Answer

Correct Answer: Stiffness

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

Addition of _______________ to steel does not help in improving its machinability ?

A gas which is collected over water becomes moistened due to water vapor, exerts its own partial pressure at the gas temperature, which is termed as its_______________?

With increase in annealing temperature, the following defect density decreases?

The leaching solvent used in Baeyer’s process for the purification of bauxite is___________________?

Boiling point of water gets lowered at high altitudes (e.g., hills), because ___________________?

The process of removal of scale formed during hot rolling of steel is termed as_________________?

Alcohols are not suitable as diesel engine fuel because the cetane number of alcohols is____________________?

Which of the following is used to produce draught in the locomotive boilers ?

Which of the following materials has the least scrap value ?

Young’s modulus of a material is the measure of its ___________________?