A) a mixture of sodium and graphite as moderator B) a mixture of sodium and graphite as coolant C) sodium as coolant and graphite as moderator D) sodium as moderator and graphite as coolant. Ans : (C)
A) trinitrotoluene B) thermal neutron treatment C) total neutron transition D) thermonuclear thorium. Ans : (A)
A) energy B) radioactive decay C) wind power D) photosynthesis. Ans : (A)
A) mixture of gaseous hydrocarbons produced from coal or oil B) a by product of blast furnace C) low calorific value gas containing carbon monoxide and steam D) same as methane. Ans : (D)
A) total electromagnetic radiation emitted by the sun B) fission caused by thermal neutrons C) wind speed at an elevation D) intensity of direct solar radiation. Ans : (D)
A) Fuel B) Steam-turbine C) Combustor D) Chimney. Ans : (B)
A) hydrocarbons B) methane, ethane and butane C) carbon monoxide and nitrogen D) carbon dioxide and steam. Ans : (C)
A) supplementary demand of various consumers B) the joint demand of several consumers C) the demand averaged over a specific period D) none of the above. Ans : (C)
A) electrical energy into chemical energy B) solar energy into electrical energy C) chemical energy into electrical energy D) heat energy into mechanical energy. Ans : (B)
A) air + diesel fuel + lubricating oil B) air + diesel fuel C) air + lubricating oil D) air only. Ans : (D)
MCQ of Transformer page-20:91. All day efficiency of a distribution transformer is ………. its commercial efficiency.
MCQ of Transformer page-19:81. Which of the following is not a fitting on the transformer ?
MCQ of Transformer page-18:71. The short circuit test on a transformer gives its