Computer Programming MCQs

5739 MCQs  (Page 123 of 574)

Which of the following is an advantage of static capacitor for power factor improvement?
A. Little maintenance cost
B. Ease in installation
C. Low losses
D. All of the above
Which of the following is not an operating cost?
A. Maintenance cost
B. Fuel cost
C. Salaries of high officials
D. Salaries of operating staff
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
With reference to a power station which of the following is not a fixed cost?
A. Fuel cost
B. Interest on capital
C. Insurance charges
D. Depreciation
In _________ fuel transportation cost is least.
A. Nuclear power plants
B. Diesel generating plants
C. Steam power stations
D. None
Which of the following, in a thermal power plant, is not a fixed cost?
A. Fuel cost
B. Interest on capital
C. Depreciation
D. Insurance charges
Air will not be the working substance in which of the following?
A. Open cycle gas turbine
B. Closed cycle gas turbine
C. Diesel engine
D. Petrol engine
During load shedding:
A. System power factor is changed
B. Some loads are switched off
C. System voltage is reduced
D. System frequency is reduced efficiency is the secondary consideration in