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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.

Vapor pressure of a solution is proportional to (where, Sv and St are mole fraction of solvent and solute respectively) ?

A Sv

B 1/St

C St

D 1/Sv

Review Detailed Answer

Correct Answer: Sv

The value of gas constant ‘R’ is ______________ kcal/kg.mole.°C?

A 2.79

B 1.987

C 3.99

D None of these

Review Detailed Answer

Correct Answer: None of these

In a binary liquid system, the composition expressed as _______________ is independent of the temperature & pressure?

A Kg of solute/kg of solvent

B Kg-mole of solute/kg-mole of solvent

C Kg-mole of solute/1000 kg of solvent

D All A., B. & C.

Review Detailed Answer

Correct Answer: All A., B. & C.

Unit of mass velocity is___________________?

A kg/m.hr

B kg/m2.hr

C kg/hr

D kg/m2

Review Detailed Answer

Correct Answer: kg/m2.hr

Elements in a periodic table are arranged in order of their__________________?

A Atomic number

B Mass number

C Atomic weight

D Metallic characteristics

Review Detailed Answer

Correct Answer: Atomic number

The most convenient way of expressing solution concentration is in terms of___________________?

A Mole fraction

B Normality

C Molality

D Molarity

Review Detailed Answer

Correct Answer: Molarity

Disappearance of snow in subzero weather exemplifies the process of_________________?

A Evaporation

B Sublimation

C Vaporisation

D Melting

Review Detailed Answer

Correct Answer: Sublimation

The vapour pressure of water is given by, in Psat = A – (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K. The vapor pressure of water in atm. at 50°C is approximately__________________?

A 0.07

B 0.09

C 0.11

D 0.13

Review Detailed Answer

Correct Answer: 0.13

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

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Vapor pressure of a solution is proportional to (where, Sv and St are mole fraction of solvent and solute respectively) ?

The value of gas constant ‘R’ is ______________ kcal/kg.mole.°C?

In a binary liquid system, the composition expressed as _______________ is independent of the temperature & pressure?

Unit of mass velocity is___________________?

Elements in a periodic table are arranged in order of their__________________?

The most convenient way of expressing solution concentration is in terms of___________________?

Disappearance of snow in subzero weather exemplifies the process of_________________?

The vapour pressure of water is given by, in Psat = A – (5000/T), where A is a constant, Psat is the vapour pressure in atm. and T is the temperature in K. The vapor pressure of water in atm. at 50°C is approximately__________________?

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 ____________________?