A. Induction motor
B. Under excited synchronous motor
C. Over excited synchronous motor
D. D.C. generator
Related Mcqs:
- Which of the following is the disadvantage of a synchronous condenser?
A. High maintenance cost
B. Continuous losses in motor
C. Noise
D. All of the above - In a distribution system, in order to improve power factor, the synchronous capacitors are installed__________?
A. at the receiving end
B. at the sending end
C. either A. or (b)
D. none of the above - An over excited synchronous motor on no load is known as__________?
A. synchronous condenser
B. generator
C. induction motor
D. alternator - For a power plant which of the following constitutes running cost?
A. Cost of wages
B. Cost of fuel
C. Cost of lubricants
D. All of the above - 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 - 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 - Different generating stations use following prime movers?
A. diesel engine
B. hydraulic turbine
C. gas turbine
D. steam turbine
E. any of the above - By the use of which of the following power factor can be improved?
A. Phase advancers
B. Synchronous compensators
C. Static capacitors
D. Any of the above - Which of the following is not a method for estimating depreciation charges?
A. Sinking fund method
B. Straight line method
C. Diminishing value method
D. Halsey’s 50—50 formula - Which of the following devices may be used to provide protection against lightening over voltages?
A. Horn gaps
B. Rod gaps
C. Surge absorbers
D. All of the above
