Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

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11.
In chemical dehumidification of air

A. Both specific humidity & dry bulb temperature increases

B. Both specific humidity & dry bulb temperature decreases

C. Specific humidity decreases & dry bulb temperature increases

D. Specific humidity increases & dry bulb temperature decreases

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12.
Liquid nitrogen containers can be made from

A. Ferritic stainless steel

B. HSLA steel

C. Titanium

D. Austenitic stainless steel

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13.
According to thermodynamic Farenhite scale, the fundamental interval between ice point to steam point is

A. 180°

B. 212°

C. 32°

D. 273°

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14.
Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be

A. 5

B. 1.25

C. 2.5

D. 3.75

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15.
If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity

A. Is trebled

B. Remains unchanged

C. Decreases by a factor of $$\sqrt 3 $$

D. Decreases by a factor of $$\frac{1}{3}$$

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16.
Saturated steam at a pressure of 25 kg/cm² is throttled to attain 5 kg/cm². Then the outcoming steam will be

A. Wet

B. Saturated

C. Superheated

D. None of these

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17.
The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

A. Silicon

B. Carbon

C. Phosphorous

D. Chromium

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18.
Addition of __________ to steel can not impart it high strength at elevated temperature.

A. Nickel

B. Magnesium

C. Silicon

D. Manganese

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19.
Lead percentage in pure galena is about

A. 8.6

B. 86.6

C. 35.8

D. 61.4

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20.
When a copper ball is heated, the largest percentage increase will be in its

A. Radius

B. Area

C. Mass

D. Volume

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Chemical Engineering Basics MCQ Questions & Answers | Chemical Engineering

11. In chemical dehumidification of air

Answer & Solution

12. Liquid nitrogen containers can be made from

Answer & Solution

13. According to thermodynamic Farenhite scale, the fundamental interval between ice point to steam point is

Answer & Solution

14. Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be

Answer & Solution

15. If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity

Answer & Solution

16. Saturated steam at a pressure of 25 kg/cm2 is throttled to attain 5 kg/cm2. Then the outcoming steam will be

Answer & Solution

17. The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

Answer & Solution

18. Addition of __________ to steel can not impart it high strength at elevated temperature.

Answer & Solution

19. Lead percentage in pure galena is about

Answer & Solution

20. When a copper ball is heated, the largest percentage increase will be in its

Answer & Solution

Read More Section(Chemical Engineering Basics)

11.
In chemical dehumidification of air

12.
Liquid nitrogen containers can be made from

13.
According to thermodynamic Farenhite scale, the fundamental interval between ice point to steam point is

14.
Specific gravity of a metal, which weighs 5 kg in air and 4 kg when submerged in water, will be

15.
If the demand for an item is trebled and the order cost is reduced to one third, then the economic order quantity

16.
Saturated steam at a pressure of 25 kg/cm² is throttled to attain 5 kg/cm². Then the outcoming steam will be

17.
The yield point phenomenon observed in annealed low carbon steel is due to the presence of the following element.

18.
Addition of __________ to steel can not impart it high strength at elevated temperature.

19.
Lead percentage in pure galena is about

20.
When a copper ball is heated, the largest percentage increase will be in its