Q.1) Choose the correct answer for the following: 1- The output of a solar cell is about ......... w. a- 1, b- 5, c- 10, d- 20 2- A module in a solar panel refers to ....... arrangement of solar cells. a- series, b- series and parallel, c- parallel, d- None of the above 3- The efficiency of the solar cell is about .....%. a- 25, b- 40, c- 15, d- 60 4- The maximum possible output of a solar array is ......w/m. a- 300, b- 100, c- 500, d- 250. 5- A rotor installed in a fixed orientation with the swept area perpendicular to the pre dominate wind direction is called ............. a- yaw fixed machines, b- nacelle, c- blades, d- anemomete 6- The velocity of wind turbine varies due to ........... a-varying wind speeds, b- long length of blades, c- the height of mount, d- the hotness of Sun 7- The minimum wind speed required by a wind turbine designed to come into operation is called ... a- windward, b- cut out velocity, c- cut in velocity, d- upwind location 8- The term biomass most often refers to ............. a- inorganic matter, b- chemicals, c-ammonium compounds, d- organic matter 9- Biomass is useful to produce..... a- transportation fuels, b- chemicals, c- fibres, d- biochemicals Page 1 of 3 (14 Marks) 10- The aerobic digestion of sewage is used to produce. a- biomass, b- bio fuels, c- synthetic fuels, d- metal articles plant runs on binary cycle 11- The a- vapour dominated, b- liquid dominated high temperature, c- liquid dominated low temperature, d- all of the above 12- Refrigerant is used as working medium in plant. a- vapour dominated, b- liquid dominated high temperature, c- mixed dominated low temperature, d- liquid dominated low temperature turbine is commonly used in tidal energy. 13- a- Kaplan, b- Francis, c- Pelton wheel, d- Gorlov 14- Tidal energy utilizes energy of water. a- kinetic, b- potential, c- kinetic and potential, d- None of these.