1) What is the working fluid in closed cycle MHD system? a. Helium and argon b. Coal c. Natural gas d. Potassium
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2) In a MHD generator the conductor is made of a. Copper b. Liquid metal c. Gas d. Liquid metal or gas
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3) Power output per unit volume of a MHD generator is proportional to a. Specific electrical conductivity of gas b. Square of the magnetic field strength c. Square of the fluid velocity d. All of these
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4) The installed capacity of wind energy in India is about a. 8000 MW b. 1500 MW c. 6000 MW d. 4000 MW
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5) Tidal energy utilizes a. Kinetic energy of water b. Potential energy of water c. Both (a) and (b) d. None of the above
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6) In a fuel cell, electrical energy is produced by a. Reaction of hydrogen with oxygen b. Thermionic action c. Combustion of fuel in the absence of oxygen d. All of the above
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7) Thermal gradient in a geo thermal plant is given by a. Heat flux * thermal conductivity b. Heat flux / thermal conductivity c. Thermal conductivity / heat flux d. None of these
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8) Tidal energy development needs a. Huge capacity and long construction time. b. Huge capacity and low construction time. c. Low capacity and long construction time. d. Low capacity and low construction time.
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9) The potential of developing tidal power in India is in a. Kutch b. Ran c. San joe d. Severn
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10) Pugga valley in Ladakh is suitable for which among the following power generation? a. Solar b. Geo thermal c. Wind d. None of these
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11) Presence of non – condensable gasses in a geo - pressured water causes a. Pollution problem b. Corrosion problem c. Flow problem d. All of the above
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12) Direct conversion of heat energy into electrical energy is possible through a. MHD generators b. Fuel or solar cells c. Thermionic converters d. Both (a) and (c) e. None of these
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13) In geo thermal power plants waste water is a. Discharged back to earth. b. Discharged into the sea. c. Recirculated after cooling in cooling towers. d. Evaporated in ponds.
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14) What is a load curve? a. A plot of load vs current. b. A plot of load vs time. c. A plot of load vs duration of time. d. Total number of units generated vs time.
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15) What does the area under the load curve represent? a. System voltage b. Current c. Energy consumed d. Maximum demand
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16) What does the highest point on the daily load curve represent? a. Peak load b. Maximum demand c. Both (a) & (d) d. None of these
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17) Load curve of a generation is always a. Positive slope b. Zero slope c. Negative slope d. Combination of (a), (b) and (c)
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18) If the daily load curve is divided by 24, what does this curve represent? a. Average load for the day b. Connected load c. Maximum demand d. Demand factor
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19) What does a mass curve represent? a. Average load b. The total energy consumed by the load upto a particular time in a day c. The number of hours for which a particular lasts during the day d. The variation of load during different hours of the day
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20) The mass curve is plotted from which of the following curve? a. Chronological curve b. Energy load curve c. Load duration curve d. None of these
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