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Chemical Engineering Basics - Section 1 (5)

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Chemical Engineering Basics - Section 1

There are problems available on the basics of chemical
engineering and you can find these problems and MCQs in this section easily.

33. 

A solar cell converts the sunlight directly into __________ energy.

A. thermal
B. electrical
C. mechanical
D. chemical

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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34. 

Resistance of an electrical conductor is proportional to its (where, l = length and A = cross-sectional area of the conductor)

A. A
B. l
C. A2
D. both 'a' & 'b'

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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35. 

Annealing ofwhite cast iron produces __________ iron.

A. grey
B. nodular
C. malleable
D. spheroidal

Answer: Option C

Explanation:

No answer description available for this question. Let us discuss.

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36. 

Maxwell's thermodynamic relations applies to the

A. chemical systems in equilibrium.
B. mechanical systems in equilibrium.
C. irreversible thermodynamic processes.
D. reversible thermodynamic processes.

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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37. 

Which of the following is not an explosive ?

A. TNT
B. CMC
C. RDX
D. Lead azide

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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38. 

Evaporative cooling process employs a combination of cooling and humidification in which the

A. sensible heat is added.
B. sensible heat is removed and the latent heat is added.
C. latent heat is removed.
D. sensible heat is added and latent heat is removed.

Answer: Option B

Explanation:

No answer description available for this question. Let us discuss.

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39. 

A high pressure boiler generates steam at a pressure greater than __________ kg/cm2 .

A. 10
B. 30
C. 50
D. 80

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

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40. 

In troposphere (the weather domain), the temperature 't' at height 'h' above the sea level in metres is given by (where, temperature at sea level is 15°C and t is in °C.)

A. t = 15 - 0.0065 h
B. t = 15 + 0.0065 h
C. t = 0.0035 h - 15
D. t = 15 - 0.0035 h

Answer: Option A

Explanation:

No answer description available for this question. Let us discuss.

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