41- ………is used for interconnection of the cells in the panel.
(A) Gold
(B) Silver
(C) Copper
(D) Zinc
42- In which of the following solar cells are used as energy the main source of energy?
(A) Space probes
(B) Artificial satellite
(C) Both a and b
(D) None of the above
43- Solar cells are used in ………….
(A) Toys
(B) Calculators
(C) Traffic signals
(D) All of the above
44- Due to gravitational pull of the…………..on the spinning earth, the level of the water in sea rises and falls.
(A) Earth
(B) Sun
(C) Moon
(D) Mars
45- The water at the surface of the sea or ocean is heated by the Sun while the water in deeper section is relatively cold and this difference is exploited too obtain the ………………..
(A) Ocean Thermal energy
(B) Geothermal energy
(C) Nuclear energy
(D) Wave energy
46- The warm surface-water of the sea or ocean is used to boil a volatile liquid like …………….
(A) Bauxite
(B) Ammonia
(C) Mercury
(D) None of the above
47- Due to geological changes, molten rocks formed in the deeper hot regions of earth’s crust are pushed upward and trapped in certain regions called …………
(A) Cold spots
(B) Hot spot
(C) Both A and B
(D) None of the above
48- Geothermal energy operational based are located in which part of the world?
(A) New Zealand
(B) United States of America
(C) Both A and B
(D) None of the above
49- Hot springs outlets are generated in which type of energy?
(A) Ocean Thermal energy
(B) Nuclear energy
(C) Geothermal energy
(D) All of the above
50- Nuclear power reactor in India is located at which places?
(A) Tarapur
(B) Rana Pratap Sagar
(C) Kalpakkam
(D) All of the above
ANSWERS:
41-(B), 42-(C), 43-(D), 44-(C), 45-(A), 46-(B), 47-(B), 48-(D), 49-(C), 50-(D)