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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 Al2O3 content of cryolite in Hall-Heroult cell is maintained between _______________ percent ?

A 2-5

B 18-20

C 12-15

D 6-12

Review Detailed Answer

Correct Answer: 2-5

Fatigue resistance of a material is measured by the _____________________?

A Elastic limit

B Ultimate tensile strength

C Young’s modulus

D Endurance limit

Review Detailed Answer

Correct Answer: Endurance limit

Ultimate strength in tension as compared to that in shear for steel is____________________?

A Half

B One third

C One and half times

D One fourth

Review Detailed Answer

Correct Answer: One and half times

Dry saturated steam can be converted into super heated steam by____________________?

A Increasing its cross-sectional area of flow

B Passing it through a pressure reducing valve

C Forcing it downwards through a vertical tube

D None of these

Review Detailed Answer

Correct Answer: Passing it through a pressure reducing valve

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog ?

A Nitrogen oxides

B Hydrocarbons

C Both A. & B.

D Carbon monoxide

Review Detailed Answer

Correct Answer: Both A. & B.

Dielectric___________________?

A Is an electrical insulating material

B Of low resistivity is preferred

C Should have high thermal conductivity

D Need not defy the corrosive action of chemicals

Review Detailed Answer

Correct Answer: Is an electrical insulating material

Enzymes belong to the category of_____________________?

A Proteins

B Carbohydrates

C Vitamins

D Fats

Review Detailed Answer

Correct Answer: Proteins

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to _______________ times the yield stress ?

A 0.5

B 2

C √2

D √3/2

Review Detailed Answer

Correct Answer: 0.5

Rankine cycle comprises of two isothermal and two ___________________ processes?

A Isobaric

B Polytropic

C Isentropic

D None of these

Review Detailed Answer

Correct Answer: None of these

Moist air is cooled along the line of constant ________________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs ?

A Enthalpy

B Relative humidity

C Wet bulb temperature

D Dew point temperature

Review Detailed Answer

Correct Answer: Dew point temperature

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Chemical Engineering Mcqs 9594 MCQs [All-Courses]

All Topics 9594

All Topics 9594

The Al2O3 content of cryolite in Hall-Heroult cell is maintained between _______________ percent ?

Fatigue resistance of a material is measured by the _____________________?

Ultimate strength in tension as compared to that in shear for steel is____________________?

Dry saturated steam can be converted into super heated steam by____________________?

Which of the following emissions in the exhaust gas of an I.C. engine causes the formation of photochemical smog ?

Dielectric___________________?

Enzymes belong to the category of_____________________?

According to maximum shear stress failure criterion, yielding in material occurs, when the maximum shear stress is equal to _______________ times the yield stress ?

Rankine cycle comprises of two isothermal and two ___________________ processes?

Moist air is cooled along the line of constant ________________ , when it is passed over a cold & dry cooling coil, such that no condensation occurs ?