In which’of the following power plants the maintenance cost is usually high?

A. plant is used for stand by purpose only
B. plant is under maintenance
C. plant is used for base load only
D. plant is used for peak load as well as base load

A. Steam turbine
B. Condenser
C. Water treatment plant
D. Boiler

A. arc lamps
B. induction motors
C. fluorescent tubes
D. incandescent lamp

A. Sinking fund method
B. Straight line method
C. Diminishing value method
D. Halsey’s 50—50 formula

A. peak load plants
B. base load plants
C. either A. or (b)
D. none of the above

A. kW
B. kWh
C. kVAR
D. none of the above