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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.

A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of ________________?

A 3

B 100

C 1000

D None of these

Review Detailed Answer

Correct Answer: 100

Heat of ____________ of a fuel is called its calorific value?

A Formation

B Combustion

C Reaction

D Vaporisation

Review Detailed Answer

Correct Answer: Combustion

The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the_______________?

A Nature of both the gas & the liquid

B Temperature

C Total pressure

D None of these

Review Detailed Answer

Correct Answer: None of these

The heats of vaporisation of CS2, C2H5OH &H2O are 26.8, 38.6 & 40.6 KJ/kg.mole respectively. The order of decreasing inter-molecular forces in these liquids is________________?

A H2O > C2H5OH > CS2

B CS2 > C2H5OH > H2O

C H2O > CS2 > C2H5OH

D CS2 > H2O > C2H5OH

Review Detailed Answer

Correct Answer: H2O > C2H5OH > CS2

Viscosity of 1 centipoise is equal to 1 Centistoke in case of________________?

A Water

B Mercury

C Carbon tetrachloride

D None of these

Review Detailed Answer

Correct Answer: Water

Pick out the wrong unit conversion of temperature?

A °R = 273 + °F

B Temperature difference of 1°K = 1°C = 9/5°F

C °C = (F- 32) × 0.555

D °F = (°C + 17.778) × 1.8

Review Detailed Answer

Correct Answer: °R = 273 + °F

A vapor that exists above its critical temperature is termed as a _____________ vapor?

A Saturated

B Unsaturated

C Gaseous

D Sub-cooled

Review Detailed Answer

Correct Answer: Gaseous

The amount of Zn (atomic weight = 65) required to form 224 c.c. of H2 at N.T.P. on treatment with dilute H2SO4will be _____________ gm?

A 0.065

B 0.65

C 6.5

D 65

Review Detailed Answer

Correct Answer: 0.65

The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 × __________?

A 1026

B 1023

C 1020

D 1019

Review Detailed Answer

Correct Answer: 1020

‘Cox’ chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the_____________?

A Temperature vs. log (vapor pressure)

B Vapor pressure vs. log (temperature)

C Log (temperature) vs. log (vapor pressure)

Review Detailed Answer

Correct Answer: Temperature vs. log (vapor pressure)

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

A solution having a pH value of 5 is less acidic than the one having a pH value of 2 by a factor of ________________?

Heat of ____________ of a fuel is called its calorific value?

The gravimetric (i.e., by weight) composition of a vapor saturated gas is independent of the_______________?

The heats of vaporisation of CS2, C2H5OH &H2O are 26.8, 38.6 & 40.6 KJ/kg.mole respectively. The order of decreasing inter-molecular forces in these liquids is________________?

Viscosity of 1 centipoise is equal to 1 Centistoke in case of________________?

Pick out the wrong unit conversion of temperature?

A vapor that exists above its critical temperature is termed as a _____________ vapor?

The amount of Zn (atomic weight = 65) required to form 224 c.c. of H2 at N.T.P. on treatment with dilute H2SO4will be _____________ gm?

The number of water molecules present in a drop of water weighing 0.018 gm is 6.023 × __________?

‘Cox’ chart which is useful in the design of a distillation column (particularly suitable for petroleum hydrocarbons) is a plot of the_____________?