Top 550+ Solved Energy Conversion MCQ Questions Answer
Q. Batteries used for electrical energy storage are
a. Leclanche cells
b. Edison cells
c. Lead acid cells
d. Any of the above
e. None of the above
Q. Which of the following converts electrical energy to radiant heat?
a. Solat cell
b. Storage battery
c. Wankel engine
d. Incandescent lamp
e. None of the above
Q. The most economic voltage for transmitting given power over a known distance by overhead transmission lines is approximately
a. 0.6 kV/km
b. 1.6 kV/km
c. 2.6 kV/km
d. 3.6 kV/km
e. None of the above
Q. Steel poles for transmission lines need protection against
a. termites
b. borer
c. corrosion
d. All of the above
e. None of the above
Q. Integrated demand is
a. the demand averaged over a specified period
b. the joint-demand of several consumers
c. supplementary demand of various consumers
d. None of the above
e. None of the above
Q. Osmotic energy conversion involves energy production from
a. low boiling point liquids
b. low vapour pressure liquids
c. miscible liquids
d. salt water
e. None of the above
Q. Pin insulators are normally used upto voltages of about
a. 100 kV
b. 66 kV
c. 33 kV
d. 25 kV
e. None of the above
Q. A generating station is to supply four regions of loads with peak demands of 10 MW, 15 MW, 20 MW and 30 MW. If the diversity factor is 1.5 the maximum demand on the station is
a. 30 MW
b. 60 MW
c. 70 MW
d. 50 MW
e. 45 MW
Q. The power supplied to domestic consumers is at 220 volts. This represents
a. Peak value of voltage
b. Mean value of voltage
c. rms value of voltage
d. Any of the above
e. None of the above
Q. Diversity factor has direct effect on the
a. fixed
b. variable
c. fixed and variable
d. None of the above
Q. Gas turbine power plants are being established at all of the following places EXCEPT
a. Kawas
b. Anta
c. Auraiya
d. Jagdishpur
e. None of the above
Q. Which of the following gives nearly monochromatic light?
a. Sodium vapour lamp
b. GLS lamp
c. Fluurescent tube
d. Mercury vapour lamp
e. None of the above
Q. The permissible pH value of water of boilers is
a. Less than 14
b. 1
c. Slightly more than 7
d. 7
e. 5
Q. For a power plant, the cost of labour is considered as
a. fixed
b. variable
c. progressive, non-progressive
d. major, minor
e. None of the above
Q. For extinguishing electrical fires
a. Carbondioxide fire extinguisher should be used
b. Rubber pieces should be thrown
c. Water should be sprinkled
d. Carbon tetrachloride fire extinguisher should be used
e. Conductors should be erthed