Renewable Energy Engineering (2181910) MCQs

MCQs of Solar Energy

Showing 31 to 40 out of 114 Questions
31.
Solar energy can be used to heating water through
(a) solar water heating system
(b) photoelectric cell
(c) solar batteries
(d) dry cell
Answer:

Option (a)

32.
Instrument used to measure direct beam of solar irradiance is called ____________
(a) Pyrheliometer
(b) Pyranometer
(c) Net radiometer
(d) Sunshine recorder
Answer:

Option (a)

33.
Solar energy can be converted into
(a) thermal energy only
(b) electrical energy only
(c) both thermal energy and Electrical energy
(d) none of the above
Answer:

Option (c)

34.
The energy radiated from sun in visible region will be around ____________
(a) 63 %
(b) 53 %
(c) 33 %
(d) 43 %
Answer:

Option (d)

35.
Global radiation is given by
(a) Direct radiation Diffuse Radiation
(b) Direct radiation - Diffuse Radiation
(c) Diffuse Radiation Direct radiation
(d) Direct radiation + Diffuse Radiation
Answer:

Option (d)

36.
The value of solar constant can be given as __________
(a) 1367 Wm2
(b) 1377 Wm2
(c) 1477 Wm2
(d) 1479 Wm2
Answer:

Option (a)

37.
Temperature on the sun is around ______________
(a) 575 – 600 K
(b) 7550 – 8000 K
(c) 4570 – 6000 K
(d) 5750 – 6000 K
Answer:

Option (d)

38.
Around how much percentage, the incident radiant flux can be absorbed by the materials present on earth?
(a) 48 %
(b) 37 %
(c) 43 %
(d) 50 %
Answer:

Option (a)

39.
The heat energy absorbed by a known area in a fixed time is determined with the help of an instrument called
(a) Pyrometer
(b) Pyrheliomete
(c) Sunshine recorder
(d) None of the above
Answer:

Option (b)

40.
The approximate distribution of the flow of the sun’s energy to the earth’s surface is
(a) 53 % is reflected back to space
(b) 53 % is transmitted to the earth
(c) 9 % is scattered
(d) 22 % is absorbed in the atmosphere
Answer:

Option (c)

Showing 31 to 40 out of 114 Questions