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
An alternator coupled to a __________ runs at slow speed, as compared to as compared to others.
(A) diesel engine
(B) hydraulic turbine
(C) steam turbine
(D) gas turbine
When the demand of consumers is not met by a power plant, it will resort to which of the following?
(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
In power plants insurance cover is provided for which of the following?
(A) Unskilled workers only
(B) Skilled workers only
(C) Equipment only
(D) All of the above
Which of the following are not repayable after a stipulated period?
(A) Shares
(B) Fixed deposits
(C) Cash certificates
(D) Bonds
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
Which of the following is the disadvantage due to low power factor?
(A) Poor voltage regulation
(B) Increased transmission losses
(C) High cost of equipment for a given load
(D) All of the above
Large capacity generators are invariably___________?
(A) water cooled
(B) natural air cooled
(C) forced air cooled
(D) hydrogen cooled
For which of the following power plants highly skilled engineers are required for running the plants?
(A) Solar power plants
(B) Gas turbine power plants
(C) Nuclear power plants
(D) Hydro-electric power plants
_____________can generate power at unpredictable or uncontrolled times?
(A) Solar power plant
(B) Tidal power plant
(C) Wind power plant
(D) Any of the above