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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.

Number of gm moles of solute dissolved in 1 kg of solvent is called its___________________?

A Normality

B Molarity

C Molality

D Formality

Review Detailed Answer

Correct Answer: Molality

Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm ?

A 1

B 2

C 3

D 4

Review Detailed Answer

Correct Answer: 2

1 Pascal (unit of pressure) is equal to _______________ N/m2 ?

A 10

B 1

C 0.1

D 1000

Review Detailed Answer

Correct Answer: 1

Pick out the wrong unit conversion of mass transfer co-efficient?

A 1 lb/hr.ft3.atm. = 4.8182 kg/hr.m2.bar

B 1 kg/hr.m2.atm= 0.98687 kg/hr. m .bar

C 1 lb/hr.ft2 = 4.8823 kg/hr.m2

D 1 kg/hr.m2 = 4.8823 lb/hr.ft2

Review Detailed Answer

Correct Answer: 1 kg/hr.m2 = 4.8823 lb/hr.ft2

Heat of solution in a system in which both solute and solvent are liquids is termed as_________________?

A Heat of solvation

B Heat of hydration

C Standard integral heat of solution

D Heat of mixing

Review Detailed Answer

Correct Answer: Heat of mixing

The vapor pressure of liquids of similar chemical nature at any particular temperature _______________ with increase in the molecular weight?

A Increases

B Decreases

C Remains unchanged

D Either A. or B.; depends on the liquid

Review Detailed Answer

Correct Answer: Decreases

A chemical process is said to occur under unsteady state, if the_________________?

A Inventory changes do not take place

B Ratio of streams entering/leaving are independent of time

C Flow rates & composition both are time dependent

D None of these

Review Detailed Answer

Correct Answer: Flow rates & composition both are time dependent

N.T.P. corresponds to__________________?

A 1 atm absolute pressure & 0°C

B 760 mm Hg gauge pressure & 0°C

C 760 torr & 15°C

D 101.325 KPa gauge pressure & 0°C

Review Detailed Answer

Correct Answer: 1 atm absolute pressure & 0°C

‘Giga’ stands for__________________?

A 109

B 10-12

C 1012

D 1015

Review Detailed Answer

Correct Answer: 109

Gases having same reduced temperatures and reduced pressures_________________?

A Deviate from ideal gas behaviour to the same degree

B Have nearly the same compressibility factor

C Both A. and B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. and B.

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

Number of gm moles of solute dissolved in 1 kg of solvent is called its___________________?

Assuming that CO2 obeys perfect gas law, calculate the density of CO2 (in kg/m3) at 263°C and 2 atm ?

1 Pascal (unit of pressure) is equal to _______________ N/m2 ?

Pick out the wrong unit conversion of mass transfer co-efficient?

Heat of solution in a system in which both solute and solvent are liquids is termed as_________________?

The vapor pressure of liquids of similar chemical nature at any particular temperature _______________ with increase in the molecular weight?

A chemical process is said to occur under unsteady state, if the_________________?

N.T.P. corresponds to__________________?

‘Giga’ stands for__________________?

Gases having same reduced temperatures and reduced pressures_________________?