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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.

The heat of solution depends upon the____________________?

A Nature of solvent

B Concentration of solution

C Nature of solute

D All A., B. & C.

Review Detailed Answer

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

Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?

A °Be = (140/G) – 130

B °Be = 200(G-1)

C °Be = 145 – (145/G)

D °Be = (400/G) – 400

Review Detailed Answer

Correct Answer: °Be = (140/G) – 130

pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be_________________?

A 0

B 10

C 7

D 14

Review Detailed Answer

Correct Answer: 7

For any system, the _____________ heat of solution is dependent on the temperature and the adsorbate concentration?

A Integral

B Differential

C Both A. & B.

D Neither A. nor B.

Review Detailed Answer

Correct Answer: Both A. & B.

In a chemical process, the recycle stream is purged for______________________?

A Increasing the product yield

B Enriching the product

C Limiting the inerts

D Heat conservation

Review Detailed Answer

Correct Answer: Limiting the inerts

Pick out the wrong unit conversion of thermal conductivity ?

A 1 BTU/ft2.hr.°F/ft = 1.488 kcal/m2. hr.°C/m

B 1 BTU/ft2.hr.°F/inch = 1.488 kcal/m2. hr.°C/m

C 1 kcal/m.hr.°C = 0.672 BTU/ft.hr.°F = 1.163 W/m. °K

D 1 W/cm.°C = 85.985 kcal/m.hr.°C = 57.779 BTU/ft.hr.°F

Review Detailed Answer

Correct Answer: 1 BTU/ft2.hr.°F/inch = 1.488 kcal/m2. hr.°C/m

Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature ?

A Chlorine

B Nitrogen

C Ethane

D All the gases will have the same KE

Review Detailed Answer

Correct Answer: All the gases will have the same KE

Pure aniline is evaporating through a stagnant air film of 1 mm thickness at 300 K and a total pressure of 100 KPa. The vapor pressure of aniline at 300 K is 0.1 KPa. The total molar concentration under these conditions is 40.1 mole/m3. The diffusivity of aniline in air is 0.74 × 10-5m2/s. The numerical value of mass transfer co-efficient is 7.4 × 10-3. Its units are_______________________?

A m/s

B cm/s

C mole/m2.s.Pa

D k.mole/m2.s.Pa

Review Detailed Answer

Correct Answer: mole/m2.s.Pa

If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be_________________?

A N

B N/2

C 2N

D 4N

Review Detailed Answer

Correct Answer: N

The reverse process of fractional crystallisation is called__________________?

A Stripping

B Leaching

C Differential distillation

D Absorption

Review Detailed Answer

Correct Answer: Leaching

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The heat of solution depends upon the____________________?

Which of the following expressions defines the Baume gravity scale for liquids lighter than water ?

pH value of a solution containing equal concentration of hydroxyl and hydrogen ions will be_________________?

For any system, the _____________ heat of solution is dependent on the temperature and the adsorbate concentration?

In a chemical process, the recycle stream is purged for______________________?

Pick out the wrong unit conversion of thermal conductivity ?

Which of the following gases will have the- highest kinetic energy per mole at the same pressure & temperature ?

If 1 Nm3 of O2 contains ‘N’ number of molecules, then number of molecules in 2Nm3 of SO2 will be_________________?

The reverse process of fractional crystallisation is called__________________?