A. water cooled
B. natural air cooled
C. forced air cooled
D. hydrogen cooled
Related Mcqs:
- Generators for peak load plants are usually designed for maximum efficiency at____________?
A. 25 to 50 percent full load
B. 50 to 75 percent full load
C. full load
D. 25 percent overload - A pilot exciter is provided on generators for which of the following reasons?
A. To excite the poles of main exciter
B. To provide requisite starting torque to main exciter
C. To provide requisite starting torque to generator
D. None of the above - Annual depreciation of the plant it proportional to the earning capacity of the plant vide
A. sinking fund depreciation
B. straight line depreciation
C. reducing balances depreciation
D. none of the above - ____________is the reserved generating capacity available for service under emergency conditions which is not kept in operation but in working order.
A. Hot reserve
B. Cold reserve
C. Spinning reserve
D. Firm power - In a power plant if the maximum demand on the plant is equal to the plant capacity, then
A. plant reserve capacity will be zero
B. diversity factor will be unity
C. load factor will be unity
D. load factor will be nearly 60% - For high value of diversity factor, a power station of given installed capacity will be in a position to supply?
A. less number of consumers
B. more number of consumers
C. neither A. nor B.
D. either A. or B. - Power plant having maximum demand more than the installed rated capacity will have utilization factor?
A. equal to unity
B. less than unity
C. more than unity
D. none of the above - Generating capacity connected to the bus bars and ready to take load when switched on is known as____________?
A. firm power
B. cold reserve
C. hot reserve
D. spinning reserve - Which of the following is the disadvantage of static capacitor for power factor improvement?
A. Easily damaged by high voltage
B. Cannot be repaired
C. Short service life
D. All of the above - In which’of the following power plants the maintenance cost is usually high?
A. Nuclear power plant
B. Hydro-electric power plants
C. Thermal power plants
D. Diesel engine power plants
