Question 41 : Which of the following energy has the greatest potential among all the sources of renewable energy?
1. Solar energy
2. Wind Energy
3. Thermal energy
4. Hydro-electrical energy
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Question 42 : Radiation intensity 'I' normal to the surface is given by __________
1. ICosθ
2. Itanθ
3. ICotθ
4. Isinθ
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Question 43 : In which absorber matrix material is arranged and the back absorber plate is eliminated?
1. Porous absorber plate
2. Non-porous absorber plate
3. Over lapped glass absorber
4. Finned absorber
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Question 44 : To how many types are flat plate collectors divided depending on type of heat transfer fluid?
1. 2
2. 3
3. 4
4. 5
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Question 45 : Which type of fuel is removed from the reactor core after reaching end of core life service?
1. Burnt Fuel
2. Spent fuel
3. Engine oil
4. Radioactive fuel
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Question 46 : The angle between the sun's rays and a line perpendicular to the horizontal plane through angle the beam of the sun and vertical is called __________
1. Solar Azimuth angle
2. Zenith angle
3. Altitude angle
4. Declination
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