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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.

For an ideal solution, the total vapor pressure varies _____________ with the composition (expressed as mole fraction)?

A Inversely

B Exponentially

C Linearly

D Negligibly

Review Detailed Answer

Correct Answer: Linearly

Dry air is a mixture of__________________?

A Vapors

B Gases

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Gases

The reaction A + B → C has been conducted in a reactor as shown below. The numbers of balances (material) that can be made around the reactor are________________?

A 1

B 2

C 3

D 4

Review Detailed Answer

Correct Answer: 3

An equation for calculating vapour pressure is given by, log10 P = A – B(t + c). This is called the________________?

A Kistyakowsky equation

B Antoine equation

C Kopp’s rule

D Trouton’s rule

Review Detailed Answer

Correct Answer: Antoine equation

A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c?

A 283

B 566

C 293

D 141.5

Review Detailed Answer

Correct Answer: 293

1 BTU/lb.←°F is equivalent to ____________ kcal/kg.°C?

A 1

B 2.42

C 1.987

D 4.97

Review Detailed Answer

Correct Answer: 1

Which of the following is insensitive to changes in pressure ?

A Heat of vaporisation

B Melting point

C Heat of fusion

D Both B. and C.

Review Detailed Answer

Correct Answer: Both B. and C.

°API gravity of water at N.T.P. is about__________________?

A 0

B 1

C 10

D 100

Review Detailed Answer

Correct Answer: 0

Pick out the wrong unit conversion of heat transfer rate?

A 1 kcal/hr= 1.163 Watt

B 1 Watt = 1.163 kcal/hr

C 1 BTU/ft2.hr = 2.712 kcal/m2.hr

D 1 kcal/m2.hr = 0.3687 BTU/ft2.hr = 1.163 Watt/m2

Review Detailed Answer

Correct Answer: 1 Watt = 1.163 kcal/hr

Othmer chart is useful in estimating the heat of_______________?

A Mixing

B Wetting

C Adsorption

D None of these

Review Detailed Answer

Correct Answer: Adsorption

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

For an ideal solution, the total vapor pressure varies _____________ with the composition (expressed as mole fraction)?

Dry air is a mixture of__________________?

The reaction A + B → C has been conducted in a reactor as shown below. The numbers of balances (material) that can be made around the reactor are________________?

An equation for calculating vapour pressure is given by, log10 P = A – B(t + c). This is called the________________?

A gas occupies a volume of 283 c.c at 10°C. If it is heated to 20°C at constant pressure, the new volume of the gas will be __________ c.c?

1 BTU/lb.←°F is equivalent to ____________ kcal/kg.°C?

Which of the following is insensitive to changes in pressure ?

°API gravity of water at N.T.P. is about__________________?

Pick out the wrong unit conversion of heat transfer rate?

Othmer chart is useful in estimating the heat of_______________?