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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.

In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is__________________?

A 180

B 60.3

C 720

D 200

Review Detailed Answer

Correct Answer: 60.3

Volume occupied by one gm mole of a gas at S.T.P. is ____________________?

A 22.4 litres

B 22400 litres

C 22.4 c.c

D 359 litres

Review Detailed Answer

Correct Answer: 22.4 litres

Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent ?

A Temperature

B Nature of solute

C Pressure

D Nature of solvent

Review Detailed Answer

Correct Answer: Pressure

According to the kinetic theory, the thermal conductivity of a monatomic gas is proportional to___________________?

A T

B T0.5

C T1.5

D T2

Review Detailed Answer

Correct Answer: T

The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is _____________ kg mole?

A 1

B 0

C 16

D 44

Review Detailed Answer

Correct Answer: 0

Sodium ______________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature?

A Carbonate (monohydrate)

B Chloride

C Thiosulphate

D Bisulphite

Review Detailed Answer

Correct Answer: Carbonate (monohydrate)

A car tyre of volume 0.057 m3 is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is__________________?

A 380

B 630

C 760

D 880

Review Detailed Answer

Correct Answer: 630

500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be _____________ mm Hg?

A 650

B 700

C 600

D 375

Review Detailed Answer

Correct Answer: 650

A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be________________?

A 0°C

B 0°K

C -136.5°C

D -136.5°K

Review Detailed Answer

Correct Answer: -136.5°C

A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight ?

A 28.6

B 30.0

C 30.6

D 32.6

Review Detailed Answer

Correct Answer: 30.6

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

In a mixture of benzene vapor and nitrogen gas at a total pressure of 900 mm Hg, if the absolute humidity of benzene is 0.2 kg benzene/kg nitrogen, the partial pressure of benzene in mm Hg is__________________?

Volume occupied by one gm mole of a gas at S.T.P. is ____________________?

Which of the following has the least (almost negligible) effect on the solubility of a solute in a solvent ?

According to the kinetic theory, the thermal conductivity of a monatomic gas is proportional to___________________?

The accumulation in a steady state combustion process, burning 1 kg mole of carbon with 1 kg mole of oxygen thereby producing 1 kg mole of carbon dioxide, is _____________ kg mole?

Sodium ______________ has inverted solubility curve i.e. its solubility increases with the lowering of temperature?

A car tyre of volume 0.057 m3 is inflated to 300 kPa at 300 K. After the car is driven for 10 hours, the pressure in the tyre increases to 330 kPa. Assume air is an ideal gas and Cv for air is 21 J/mole.K. The change in the internal energy of air in the tyre in J/mole is__________________?

500 c.c. each of hydrogen at 700 mm Hg pressure and oxygen at 600 mm Hg pressure are put together in a vessel of 1 litre capacity. The final pressure of the gas mixture will be _____________ mm Hg?

A gas at 0°C was subjected to constant pressure cooling until its volume became half the original volume. The temperature of the gas at this stage will be________________?

A fluid gas produced on burning furnace oil contains 0.15 gm mole of CO2, 0.05 gm mole of oxygen and 0.80 gm mole of N2. What is its molecular weight ?