41. Steam turbines are governed by the following methods A. Throttle governing B. Nozzle control governing C. By-pass governing D. all of the above 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
42. The cooling section in the surface condenser A. increases the quantity of vapour extracted along with air B. reduces the quantity of vapour extracted along with air C. does not affect vapour quantity extracted but reduces pump capacity of air extraction pump D. none of the above 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
43. The ratio of exit pressure to inlet pressure of maximum mass flow rate per area of steam through a nozzle when steam is initially superheated is A. 0.555 B. 0.578 C. 0.5457 D. 0.6 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
44. The draught in locomotive boilers is produced by A. forced fan B. chimney C. steam jet D. only motion of locomotive 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
45. The percentage O2 by volume in atmosphere air is A. 21% B. 23% C. 77% D. 79% 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
46. In a surface condenser if air is removed, there is A. fall in absolute pressure maintained in condenser B. rise in absolute pressure maintained in condenser C. no change in absolute pressure in the condenser D. rise in temperature of condensed steam 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
47. Economiser is used to heat A. air B. feed water C. flue gases D. all above 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
48. Where unpulverised coal has to be used and boiler capacity is large, the stoker which is used is A. underfeed stoker B. overfeed stoker C. any D. none of the above 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
49. The pressure on the two sides of the impulse wheel of a steam turbine A. is same B. is different C. increases from one side to the other side D. decreases from one side to the other side 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
50. Thorium Breeder Reactors are most suitable for India because A. these develop more power B. its technology is simple C. abundance of thorium deposits are available in India D. these can be easily designed 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
