91. Blowing down of boiler water is the process A. to reduce the boiler pressure B. to increase the steam temperature C. to control the solid concentration in the boiler water by removing some of the concentrated saline water D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
92. Reheat cycle in steam power plant is used to A. utilise heat of flue gases B. increase thermal efficiency C. improve condenser performance D. reduce loss of heat Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
93. Underfeed stokers work best for __________ coals high in volatile matter and with caking tendency A. Anthracite B. Lignite C. Semi-bituminous and bituminous D. All of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
94. 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 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
95. Rankine cycle efficiency of a good steam power plant may be in the range of A. 15 to 20 per cent B. 35 to 45 per cent C. 70 to 80 per cent D. 90 to 95 per ceut Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
96. The efficiency of a modern boiler using coal and heat recovery equipment is about A. 25 to 30% B. 40 to 50% C. 65 to 70% D. 85 to 90% Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option D No explanation is given for this question Let's Discuss on Board
97. The draught which a chimney produces is called A. induced draught B. natural draught C. forced draught D. balanced draught Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
98. 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 Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
