Top 550+ Solved Energy Conversion MCQ Questions Answer
Q. In case of humic coals, hydrogen percentage varies from
a. 4 to 6 percent
b. 10 to 15 percent
c. 16 to 20 percent
d. 20 to 30 percent
e. None of the above
Q. Which of the following motor can operate on lagging as well as leading power factor?
a. Synchronous motor
b. Universal motor
c. Reluctance motor
d. Squirrel cage induction motor
e. Capacitor run motor
Q. A 200 MW generator will invariably be
a. Hydrogen cooled
b. Nitrogen cooled
c. Air cooled
d. Oxygen cooled
e. Pressurised air cooled
Q. Presence of non-condensable gases in geopressured water causes
a. corrosion of parts
b. pollution
c. flow problems
d. All of the above
e. None of the above
Q. Which of the following place is not associated with nuclear power plants?
a. Narora
b. Kamalappakam
c. Tarapur
d. Kora
e. Bangalore
Q. Pearlite is
a. a low ash containing coal
b. same as lignite
c. an insulation material
d. none of the above
e. None of the above
Q. The term 'critical' is associated with which type of power plant?
a. Gas turbine power plant
b. Steam power plant
c. Hydro-electric power plant
d. Diesel engine power plant
e. Nuclear power plant
Q. Reverse capacity of a plants is given by
a. Maximum demand - Average demand
b. Plant capacity - Maximum demand
c. Plant capacity - Average demand
d. Plant capacity x (1 - Load factor)
e. None of the above
Q. Standed conductors are used for transmitting power at high voltages because of
a. increased tensile strength
b. low cost
c. case in handling
d. low wind resistance
e. None of the above
Q. In a transmission line if booster transformer is to be used, the preferred location will be
a. at the receiving end
b. at the sending end
c. at the intermediate point
d. anywhere in the line
e. None of the above
Q. For the same wattage, which of the following lamp is cheapest?
a. Fluorescent tube 2 ft.
b. GLS lamp
c. Fluorescent tube 4 ft.
d. Mercury vapour lamp
e. Sodium vapour lamp
Q. One British thermal unit (BTU) is nearly equal to
a. 252 joules
b. 2106 joules
c. 243 joules
d. 1053 joules
e. 504 joules
Q. At which of a following speed the generators for 3 phase, 50 Hz supply will not run?
a. 1200 rpm
b. 500 rpm
c. 250 rpm
d. 166? rpm
e. 750 rpm