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.

What is the value of included angle of a triangular notch for maximum discharge ?

A 30°

B 60°

C 90°

D 120°

Review Detailed Answer

Correct Answer: 90°

Diamagnetic materials___________________?

A Are magnetised by eddy currents only

B Are non-magnetic and cannot be magnetised

C Are magnetised in direction opposite to the magnetic field

D Can be magnetised in one direction only

Review Detailed Answer

Correct Answer: Are magnetised in direction opposite to the magnetic field

The hardenability of steel decreases with__________________?

A Decrease in dislocation density

B Increase in solutionising temperature

C Increase in strength

D Decrease in grain size

Review Detailed Answer

Correct Answer: Decrease in grain size

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

A Temperature – entropy

B Temperature – pressure

C Enthalpy – entropy

D Enthalpy-pressure

Review Detailed Answer

Correct Answer: Temperature – entropy

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

Closeness of packing is maximum in case of ____________________ crystal lattice?

A Face centred

B Simple cubic

C Body centred

D None of these

Review Detailed Answer

Correct Answer: Face centred

In the Bayer’s process, bauxite is digested under pressure using ___________________?

A H2SO4

B NaOH

C NH3

D HCl

Review Detailed Answer

Correct Answer: NaOH

____________________ of hard alloy and tool steel is done to make it easily machinable ?

A Case carburising

B Tempering

C Normalising

D Annealing

Review Detailed Answer

Correct Answer: Tempering

At 100% relative humidity, the dew point temperature of moist air is_________________?

A Less than the wet bulb temperature

B More than the wet bulb temperature

C Equal to the wet bulb temperature

D Equal to the ambient temperature

Review Detailed Answer

Correct Answer: More than the wet bulb temperature

In a neutral solution__________________?

A H+ ions are absent

B OH- ions are absent

C Both H+ and OH- ions are present in very small but equal concentration

D None of these

Review Detailed Answer

Correct Answer: Both H+ and OH- ions are present in very small but equal concentration

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

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All Topics 9594

What is the value of included angle of a triangular notch for maximum discharge ?

Diamagnetic materials___________________?

The hardenability of steel decreases with__________________?

For a thermodynamic system undergoing a process, which of the following pairs best expresses the relationship similar to that expressed by the pressure volume plot ?

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

Closeness of packing is maximum in case of ____________________ crystal lattice?

In the Bayer’s process, bauxite is digested under pressure using ___________________?

____________________ of hard alloy and tool steel is done to make it easily machinable ?

At 100% relative humidity, the dew point temperature of moist air is_________________?

In a neutral solution__________________?