For which of the following power plants highly skilled engineers are required for running the plants?

A. Open cycle gas turbine
B. Closed cycle gas turbine
C. Diesel engine
D. Petrol engine

A. Exhaust fan
B. Lathe machine
C. Welding transformer
D. All of the above

A. fuel cell
B. batteries
C. thermionic converter
D. all of the above

A. Maintenance cost
B. Fuel cost
C. Salaries of high officials
D. Salaries of operating staff

A. Efficient plant operation
B. Power factor improvement at the , generators
C. Penalising high load consumers by increasing the charges for electricity
D. Load shedding

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