Top 550+ Solved Energy Conversion MCQ Questions Answer
Q. In high voltage transmission lines the top most conductor is
a. R-phase conductor
b. Y-phase conductor
c. B-phase conductor
d. Earth conductor
e. None of the above
Q. A sodium graphite reactor uses
a. sodium as moderator and graphite as coolant
b. sodium as coolant and graphite as moderator
c. a mixture of sodium and graphite as coolant
d. a mixture of sodium and graphite as moderator
e. None of the above
Q. The material used for insulation on the cable is
a. Impregnated paper
b. Varnished cambric
c. Rubber mineral compound
d. Any of the above
e. None of the above
Q. Ekman spiral is an idealized mathematical description of
a. ocean temperature gradient
b. wind distribution in the planetary boundary layer
c. carbon dioxide percentage variation with elevation
d. radioactive decay of materials
e. None of the above
Q. In order to reduce skin effect at UHF
a. conductors are painted
b. conductors are anodised
c. copper tubes with silver plating are used
d. copper rods with silver plating are used
e. None of the above
Q. Certain metals become super-conducting when cooled below
a. melting point
b. transition temperature
c. 0?K
d. 0?C
e. None of the above
Q. Which of the following material has high scrap value as compared to initial cost?
a. Copper
b. Aluminium
c. Steel
d. Cast iron
e. Wood
Q. Which plant has least pollution problem?
a. Steam power plant
b. Nuclear power plant
c. Gas turbine power plant
d. Hydro-electric power plant
e. Diesel engine power plant
Q. In which power plant chimney is not needed?
a. Gas turbine power plant
b. Steam power plant
c. Hydro-electric power plant
d. All of the above
e. None of the above
Q. Attemperation is
a. the process of reducing pollution through stack gases
b. the process of energy conservation by the use of economiser, etc.
c. preheating of water before admission to boiler
d. the reduction of steam temperature
e. None of the above
Q. In ACSR conductors
a. varnish is the insulation used
b. bitumen is the insulation between aluminium and steel
c. no insulation is used between aluminium and steel
d. air acts as insulation medium between aluminium and steel
e. None of the above
Q. The standard frequency of electric power supply in India is
a. 440 Hz
b. 50 Hz
c. 1 Hz
d. 60 Hz
e. 220 Hz
Q. HBJ pipeline orginates from
a. Gujarat and ends in Bihar
b. Maharashtra and ends in Uttar Pradesh
c. Maharashtra and ends in Bihar
d. Gujarat and ends in Uttar Pradesh
e. None of the above
Q. Which authority is directly concerned with generation and distribution of electricity?
a. Electricity Authority of India
b. Department of Science and Technology
c. Ministry of Power
d. State Electricity Boards
e. None of the above
Q. An air preheater is an essential part of which of the following power plant?
a. Hydro-electric power plant
b. Nuclear power plant
c. Gas turbine power plant
d. Steam power plant
e. Diesel engine power plant