Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering Page-2 section-10

Section 1 Section 2 Section 3 Section 4 Section 5 Section 6 Section 7 Section 8 Section 9 Section 10 Section 11 Section 12 Section 13

11.
The driving force for the sintering of a powder compact is

A. Strain energy

B. Surface energy

C. Volume energy

D. Stacking fault energy

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12.
The moment of inertia of a body comes into play in __________ motion.

A. Curvilinear

B. Linear

C. Rotational

D. None of these

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13.
Overheating of satellites during re-entry to earth is controlled by

A. Thick insulation

B. Ceramic lining

C. Cooling by flow of air over the surface

D. None of these

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14.
Pick out the wrong statement.

A. Erosion corrosion which is identified by surface grooves, occurs due to the combined action of corrosive environment and mechanical abrasion

B. Stress corrosion occurs due to the combined action of corrosive environment and the compressive stress

C. Stainless steel is prone to stress corrosion in solution containing chloride ion

D. In case of stress corrosion, the direction of crack propagation is perpendicular to the applied tensile stress

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15.
Ferromagnetic material owe their properties to __________ inner sub-shells.

A. Completely filled

B. Partially filled

C. Equally filled

D. Vacant

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16.
Which of the following mainly decides the current to be employed is arc welding?

A. Electrode size

B. Plate thickness

C. Voltage across the arc

D. Welded portion length

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17.
The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

A. Same

B. Slightly less

C. Slightly more

D. Much more

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18.
The radioactive isotope of hydrogen is

A. Deuterium

B. Tritium

C. Protium

D. None of these

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19.
In the floatation process, pine oil is used as the

A. Collector

B. Activator

C. Frother

D. Depressant

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20.
Normalising does not __________ of a metal.

A. Improve machinability & tensile strength

B. Remove internal stresses

C. Refine the structure

D. Remove strains caused by cold working

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

11. The driving force for the sintering of a powder compact is

Answer & Solution

12. The moment of inertia of a body comes into play in __________ motion.

Answer & Solution

13. Overheating of satellites during re-entry to earth is controlled by

Answer & Solution

14. Pick out the wrong statement.

Answer & Solution

15. Ferromagnetic material owe their properties to __________ inner sub-shells.

Answer & Solution

16. Which of the following mainly decides the current to be employed is arc welding?

Answer & Solution

17. The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

Answer & Solution

18. The radioactive isotope of hydrogen is

Answer & Solution

19. In the floatation process, pine oil is used as the

Answer & Solution

20. Normalising does not __________ of a metal.

Answer & Solution

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11.
The driving force for the sintering of a powder compact is

12.
The moment of inertia of a body comes into play in __________ motion.

13.
Overheating of satellites during re-entry to earth is controlled by

14.
Pick out the wrong statement.

15.
Ferromagnetic material owe their properties to __________ inner sub-shells.

16.
Which of the following mainly decides the current to be employed is arc welding?

17.
The delivery pressure of boiler feed water pump compared to the boiler steam pressure is

18.
The radioactive isotope of hydrogen is

19.
In the floatation process, pine oil is used as the

20.
Normalising does not __________ of a metal.