Question 31 : HHW stands for ____________
1. High and Low water
2. High Level Waste
3. Heated Low Level water
4. High and Low Waste
View Answer   Discuss with Members

Question 32 : Angle made by plane surface with horizontal is called ________
1. Slope
2. Altitude angle
3. Zenith angle
4. Hour Angle
View Answer   Discuss with Members

Question 33 : For what purpose are Gas heating collectors used?
1. To trap solar radiance
2. To act as a medium to help in conversion of sunlight to electrical energy
3. Employed as solar air heaters
4. They act as alternate panels in case of failure
View Answer   Discuss with Members

Question 34 : Insolation is less ____________
1. when the sun is low
2. when the sun right above head
3. at night
4. at sun rise
View Answer   Discuss with Members

Question 35 : The angle of deviation of the normal to the surface from the local meridian is called as _________
1. Surface azimuth angle
2. Solar azimuth angle
3. Solar altitude
4. Hour angle
View Answer   Discuss with Members

Question 36 : How much would be the angle of declination on DECEMBER 21 at 0900 h (LAT). The collector s located in New Delhi (28^o35'N, 77^o12'E) and is tilted at an angle of 36^o with the horizontal and is pointing south?
1. -44.28 ^o
2. -28.92 ^o
3. -23.45 ^o
4. -42.22 ^o
View Answer   Discuss with Members

Question 37 : Which part of flat plate collectors is coated in black?
1. Transparent cover
2. Absorber plate
3. Insulation
4. Fins
View Answer   Discuss with Members

Question 38 : Solar Altitude is also called as ________
1. Declination
2. Altitude angle
3. Zenith angle
4. Azimuth angle
View Answer   Discuss with Members

Question 39 : Angular distance of sun's rays north or south of the equator is called _______
1. Declination
2. Hour angle
3. Latitude
4. Air mass
View Answer   Discuss with Members

Question 40 : Which type of absorber increases the heat transfer area over a simple flat plate absorber of the same capacity?
1. Porous absorber plate
2. Non-porous absorber plate
3. Over lapped glass absorber
4. Finned absorber
View Answer   Discuss with Members