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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 is made by dissolving 1 kilo mole of solute in 2000 kg of solvent. The molality of the solution is_________________?

A 2

B 1

C 0.5

D 0.05

Review Detailed Answer

Correct Answer: 0.5

Avogadro number is the number of molecules in one ____________ of a gas?

A gram

B Kilogram

C gm.mole

D Litre

Review Detailed Answer

Correct Answer: gm.mole

Which equation is not an equation of state ?

A PV = RT + B/V + y/V2 + ….

B (P + a/V2)(V-b) = RT

C loge (p/p0) = (λ/R) (1/T0 – 1/T)

D p = [RT/(V – b)] – (a/TV2)

Review Detailed Answer

Correct Answer: loge (p/p0) = (λ/R) (1/T0 – 1/T)

A sample of well water contains 140 gm/m3 Ca2+ ions and 345 gm/m3 Na+ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO3 in gm/m3 is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) ?

A 350

B 485

C 140

D 345

Review Detailed Answer

Correct Answer: 350

For a reaction, X → Y, if the concentration of ‘X’ is tripled; the rate becomes nine times. The order of reaction is__________________?

A 0

B 1

C 2

D 3

Review Detailed Answer

Correct Answer: 2

1 kg/cm2 is equal to________________?

A 760 torr

B 1 KPa

C 10 metres of water column

D 1 metre of water column

Review Detailed Answer

Correct Answer: 10 metres of water column

One kg of saturated steam at 100°C and 1.01325 bar is contained in a rigid walled vessel. It lias a volume of 1.673 m3. It cools to 98°C; the saturation pressure is 0.943 bar ; one kg of water vapour under these conditions has a volume of 1.789 m3. The latent heat of condensation (kJ/kg-1 ) under these conditions is___________________?

A 40732

B 2676

C 2263

D 540

Review Detailed Answer

Correct Answer: 2263

The hydroxyl ion (OH-) concentration in a solution having pH value 3 will be_________________?

A 10-11

B 10-10

C 10-3

D 10-4

Review Detailed Answer

Correct Answer: 10-11

For estimation of heat capacity of a solid compound, one can use________________?

A Clapeyron’s equation

B Gibb’s equation

C Kopp’s rule

D Trouton’s rule

Review Detailed Answer

Correct Answer: Kopp’s rule

40 gms each of the methane and oxygen are mixed in an empty container maintained at 40°C. The fraction of the total pressure exerted by oxygen is_________________?

A 1/2

B 1/3

C 1/4

D 2/3

Review Detailed Answer

Correct Answer: 1/3

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

A solution is made by dissolving 1 kilo mole of solute in 2000 kg of solvent. The molality of the solution is_________________?

Avogadro number is the number of molecules in one ____________ of a gas?

Which equation is not an equation of state ?

A sample of well water contains 140 gm/m3 Ca2+ ions and 345 gm/m3 Na+ ions. The hardness of the sample of water, expressed in terms of equivalent CaCO3 in gm/m3 is (assuming atomic masses of Ca :40, Na : 23, C : 12, O : 16) ?

For a reaction, X → Y, if the concentration of ‘X’ is tripled; the rate becomes nine times. The order of reaction is__________________?

1 kg/cm2 is equal to________________?

The hydroxyl ion (OH-) concentration in a solution having pH value 3 will be_________________?

For estimation of heat capacity of a solid compound, one can use________________?

40 gms each of the methane and oxygen are mixed in an empty container maintained at 40°C. The fraction of the total pressure exerted by oxygen is_________________?