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MCQs 1: What is the working fluid in closed cycle MHD system?

Helium and argon Coal Natural gas Potassium
Answer Explanation

MCQs 2: In a MHD generator the conductor is made of

Copper Liquid metal Gas Liquid metal or gas
Answer Explanation

MCQs 3: Power output per unit volume of a MHD generator is proportional to

Specific electrical conductivity of gas Square of the magnetic field strength Square of the fluid velocity All of these
Answer Explanation

MCQs 4: The installed capacity of wind energy in India is about

8000 MW 1500 MW 6000 MW 4000 MW
Answer Explanation

MCQs 5: Tidal energy utilizes

Kinetic energy of water Potential energy of water Both (a) and (b) None of the above
Answer Explanation

MCQs 6: In a fuel cell, electrical energy is produced by

Reaction of hydrogen with oxygen Thermionic action Combustion of fuel in the absence of oxygen All of the above
Answer Explanation

MCQs 7: Thermal gradient in a geo thermal plant is given by

Heat flux * thermal conductivity Heat flux / thermal conductivity Thermal conductivity / heat flux None of these
Answer Explanation

MCQs 8: Tidal energy development needs

Huge capacity and long construction time. Huge capacity and low construction time. Low capacity and long construction time. Low capacity and low construction time.
Answer Explanation

MCQs 9: The potential of developing tidal power in India is in

Kutch Ran San joe Severn
Answer Explanation

MCQs 10: Pugga valley in Ladakh is suitable for which among the following power generation?

Solar Geo thermal Wind None of these
Answer Explanation

MCQs 11: Presence of non – condensable gasses in a geo - pressured water causes

Pollution problem Corrosion problem Flow problem All of the above
Answer Explanation

MCQs 12: Direct conversion of heat energy into electrical energy is possible through

MHD generators Fuel or solar cells Thermionic converters Both (a) and (c) None of these
Answer Explanation

MCQs 13: In geo thermal power plants waste water is

Discharged back to earth. Discharged into the sea. Recirculated after cooling in cooling towers. Evaporated in ponds.
Answer Explanation

MCQs 14: What is a load curve?

A plot of load vs current. A plot of load vs time. A plot of load vs duration of time. Total number of units generated vs time.
Answer Explanation

MCQs 15: What does the area under the load curve represent?

System voltage Current Energy consumed Maximum demand
Answer Explanation

MCQs 16: What does the highest point on the daily load curve represent?

Peak load Maximum demand Both (a) & (d) None of these
Answer Explanation

MCQs 17: Load curve of a generation is always

Positive slope Zero slope Negative slope Combination of (a), (b) and (c)
Answer Explanation

MCQs 18: If the daily load curve is divided by 24, what does this curve represent?

Average load for the day Connected load Maximum demand Demand factor
Answer Explanation

MCQs 19: What does a mass curve represent?

Average load The total energy consumed by the load upto a particular time in a day The number of hours for which a particular lasts during the day The variation of load during different hours of the day
Answer Explanation

MCQs 20: The mass curve is plotted from which of the following curve?

Chronological curve Energy load curve Load duration curve None of these
Answer Explanation

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