31. The maximum percentage gain in Regenerative feed heating cycle thermal efficiency A. increases with number of feed heaters increasing B. decreases with number of feed heaters increasing C. remains same unaffected by number of feed heaters 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
32. Rateau steam turbine is A. reaction steam turbine B. velocity compounded impulse steam turbine C. pressure compounded impulse steam turbine D. pressure velocity compounded steam turbine 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
33. Edward's air pump A. removes air and also vapour from condenser B. removes only air from condenser C. removes only un-condensed vapour from condenser D. removes air alongwith vapour and also the condensed water from condenser 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
34. For Parson's reaction steam turbine, degree of reaction is A. 75% B. 100% C. 50% D. 60% 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
35. The overall efficiency of thermal power plant is equal to A. Rankine cycle efficiency B. Carnot cycle efficiency C. Regenerative cycle efficiency D. Boiler efficiency x turbine efficiency x generator efficiency 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
36. The thermal efficiency of the engine with condenser as compared to without condenser, for a given pressure and temperature of steam, is A. Higher B. Lower C. Same as long as initial pressure and temperature is unchanged 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
37. In steam turbines the reheat factor A. increases with the increase in number of stages B. decreases with the increase in number of stages C. remains same irrespective of number of stages 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
38. Bucket elevators are used for A. carrying coal in horizontal direction B. carrying coal in vertical direction C. carrying coal in any direction 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
39. The maximum length of a screw conveyer is about A. 30 metres B. 40 metres C. 60 metres D. 100 metres 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
40. Pipes carrying steam are generally made up of A. steel B. cast iron C. copper D. aluminium 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
