1. Which of the following plants will have the highest capital cost
a) Nuclear power plant
b) Diesel power plant
c) Thermal power plant
d) None of these
ans. a
2. Which of the following plants have the minimum running cost
a) Nuclear power plant
b) Diesel plant
c) Thermal power plant
d) Hydro power plant
ans. d
3. In a steam power plant water is used for cooling purposes in
a) Condenser
b) turbine only
c) boiler tubes
d) boiler tubes and turbine both
ans. a
4. Which of the following power stations is mainly used to cover peak loads on the system?
a) Brown coal power station
b) Pit coal power station
c) Nuclear power station
d) Pump storage water power station
ans. d
5. What is the advantage of hydro-electric power stations over thermal power stations?
a) The initial cost of hydro-electric power stations is low
b) Their operating cost is low
c) Hydro-electric power stations can supply the same power throughout the year
d) Hydro-electric power stations can be constructed where electric energy is required
ans. b
6. Water is supplied to a boiler
a) at 140 kg/cm²
b) at atmospheric pressure
c) at slightly more than atmospheric pressure
d) at more than the steam pressure in the boiler
ans. d
7. The pH value of water used for boiler is
a) unity
b) 7
c) 10
d) slightly more than seven
ans. d
8. In one year there are about
a) 365 full tidal cycles
b) 730 full tidal cycles
c) 705 full tidal cycles
d) none of the above
ans. c
9. The oldest geothermal power plant is in
a) France
b) Germany
c) Italy
d) USA
ans. c
10. The MHD system generates
a) a.c only
b) d.c only
c) a.c and d.c both
d) either a.c or d.c
ans. c
a) Nuclear power plant
b) Diesel power plant
c) Thermal power plant
d) None of these
ans. a
2. Which of the following plants have the minimum running cost
a) Nuclear power plant
b) Diesel plant
c) Thermal power plant
d) Hydro power plant
ans. d
3. In a steam power plant water is used for cooling purposes in
a) Condenser
b) turbine only
c) boiler tubes
d) boiler tubes and turbine both
ans. a
4. Which of the following power stations is mainly used to cover peak loads on the system?
a) Brown coal power station
b) Pit coal power station
c) Nuclear power station
d) Pump storage water power station
ans. d
5. What is the advantage of hydro-electric power stations over thermal power stations?
a) The initial cost of hydro-electric power stations is low
b) Their operating cost is low
c) Hydro-electric power stations can supply the same power throughout the year
d) Hydro-electric power stations can be constructed where electric energy is required
ans. b
6. Water is supplied to a boiler
a) at 140 kg/cm²
b) at atmospheric pressure
c) at slightly more than atmospheric pressure
d) at more than the steam pressure in the boiler
ans. d
7. The pH value of water used for boiler is
a) unity
b) 7
c) 10
d) slightly more than seven
ans. d
8. In one year there are about
a) 365 full tidal cycles
b) 730 full tidal cycles
c) 705 full tidal cycles
d) none of the above
ans. c
9. The oldest geothermal power plant is in
a) France
b) Germany
c) Italy
d) USA
ans. c
10. The MHD system generates
a) a.c only
b) d.c only
c) a.c and d.c both
d) either a.c or d.c
ans. c
