Chemical Engineering :: Heat Transfer

1.	Crystal size in a continuous crystalliser depends upon the
	A. rate of heat transfer. B. degree of turbulence. C. degree of supersaturation. D. all (a), (b) and (c). Answer: Option D Explanation: No answer description available for this question.

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2.	Heat waves
	A. can not pass through vacuum. B. travel in straight line. C. can be reflected by a mirror. D. both (b) and (c). Answer: Option D Explanation: No answer description available for this question.

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3.	Air is best heated with steam in a heat exchanger of
	A. plate type. B. double pipe type with fin on steam side. C. double pipe type with fin on air side. D. shell and tube type. Answer: Option C Explanation: No answer description available for this question.

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4.	Which of the following is generally considered as opaque surface towards radiations?
	A. Gases B. Solids C. Liquids D. Both (b) and (c) Answer: Option D Explanation: No answer description available for this question.

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5.	Black liquor generated during paper manufacture is concentrated in a
	A. single effect evaporator. B. single effect evaporator followed by a crystalliser. C. multiple effect evaporator. D. multiple effect evaporators followed by a crystalliser. Answer: Option C Explanation: No answer description available for this question.

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