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.

1 Kcal/kg. °C is equivalent to _______________ BTU/lb. °F ?

A 1

B 2.42

C 4.97

D None of these

Review Detailed Answer

Correct Answer: 1

For the gaseous phase reaction, N2 + O2 ⇌ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by____________________?

A Increasing the concentration of N2

B Decrease in temperature

C Increase in pressure

D Decrease in pressure

Review Detailed Answer

Correct Answer: Decrease in temperature

In _______________ process, ions of salts react with water to produce acidity or alkalinity ?

A Hydration

B Hydrolysis

C Electrolysis

D Dialysis

Review Detailed Answer

Correct Answer: Hydrolysis

The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?

A R

B > R

C < R

D 0.5 R

Review Detailed Answer

Correct Answer: R

One ‘Therm’ is equivalent to___________________?

A 105 BTU

B 105 kcal

C 109 BTU

D 109 kcal

Review Detailed Answer

Correct Answer: 105 BTU

Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is_________________?

A 1.72

B 0.58

C 0.5

D 0.2

Review Detailed Answer

Correct Answer: 0.58

How much O2 can be obtained from 90 kg of water ?

A 32 kg

B 80 kg

C 64 kg

D 90 kg

Review Detailed Answer

Correct Answer: 80 kg

What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20) ?

A AB3

B A2B3

C A2B

D AB2

Review Detailed Answer

Correct Answer: AB3

Which of the following has the smallest least effect on the solubility of a solute into the solvent ?

A Nature of the solute

B Nature of the solvent

C Temperature

D Pressure

Review Detailed Answer

Correct Answer: Pressure

Normality of a solution does not change with the increase in the __________________?

A Pressure

B Temperature

C Solute concentration

D Dilution of the solution

Review Detailed Answer

Correct Answer: Pressure

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

1 Kcal/kg. °C is equivalent to _______________ BTU/lb. °F ?

For the gaseous phase reaction, N2 + O2 ⇌ 2NO, ΔH = + 80 kJ/kg. mole; the decomposition of NO is favoured by____________________?

In _______________ process, ions of salts react with water to produce acidity or alkalinity ?

The value of (Cp – Cv) for a real gas obeying Vander Wall’s equation is____________________?

One ‘Therm’ is equivalent to___________________?

Pure oxygen is mixed with air to produce an enriched air containing 50 volume % of oxygen. The ratio of moles of air to oxygen used is_________________?

How much O2 can be obtained from 90 kg of water ?

What is the simplest formula of a compound containing 50% of element A (atomic weight = 10) and 50% of element B (atomic weight = 20) ?

Which of the following has the smallest least effect on the solubility of a solute into the solvent ?

Normality of a solution does not change with the increase in the __________________?