Power Plant Engineering - Interview Questions | Exam2Win

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41. The isentropic expansion of steam through nozzle for the steam initially dry saturated at inlet is approximated by equation.

A. pv = C

B. pv1A = C

C. pv1i = C

D. pv

Explanation:

42. Artificial draught is produced by

A. induced fan

B. forced fan

C. induced and forced fan

D. all of the above

Explanation:

43. Evaporative type of condenser has

A. steam in pipes surrounded by water

B. water in pipes surrounded by steam

C. either (a) or (b)

D. none of the above

Explanation:

44. In a shell and tube surface condenser

A. steam and cooling water mix to give the condensate

B. cooling water passes through the tubes and steam surrounds them

C. steam passes through the cooling tubes and cooling water surrounds them

D. all of the above varying with situa�tion

Explanation:

45. Regenerative cycle thermal efficiency

A. is always greater than simple Rankine thermal efficiency

B. is greater than simple Rankine cycle thermal efficiency only when steam is bled

C. rticular pressure

D. is same as simple Rankine cycle thermal efficiency

Explanation:

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