Electrical Eng. · Question Bank

Power Systems

32 questions · page 2 of 2. Answer in your head first, then check the solution.

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#21
Out of the following, which one is not unconventional source of energy
Atidal power
Bnuclear power
Cgeothermal power
Dwind energy
#22
The efficiency of the thermal power plant improves with
Aincreased quality of coal burnt
Buse of high steam pressures
Clower load in the plant
Dlarger quality of water used
#23
Nuclear reactor generally employ
Afusion
Bboth fusion and fission
Cfission
Dnone of these
#24
The ration of sum of individual maximum demand to maximum demand of installation is known as
Ademand factor
Bdiversity factor
Cplant use factor
Dplant capacity factor
#25
A diesel power plant is best suited as
Astand by plant
Bpeak load plant
Cbase load plant
Dgeneral purpose plant
#26
A nuclear power plant is invariably used as a
Abase load plant
Bstand by plant
Cpeak load plant
Dspinning reserve plant
#27
Efficiency is secondary consideration in case of
Abase load plant
Bpeak load plant
Cboth peak and base load plant
Dnone of these
#28
A low utilization factor for a plant indicates that
Aplant is used for base load only
Bplant is under maintenance
Cplant is used for stand by purpose only
Dplant is used for peak load as well as base load
#29
While calculating the cost of electric power generation, which of the following is not considered a fixed cost
Ainterest on capital investment
Bmost of the salaries and wages
Ctaxes and insurance
Drepair and maintenance
#30
Maximum demand of an installation is given by its
Ainstantaneous maximum demand
Bgreatest average power demand
Caverage maximum demand over a definite interval of time during a certain period
Daverage power demand during an interval of 1 minute
#31
Mark the wrong statement. High load factor of a generating equipment
Aleads to lesser charges per kWh
Bimplies lower diversity in demand
Cgives more profit to owner
Dcan be obtained by accepting off peak loads
#32
Mark the wrong statement. While considering power factor improvement, the most economical angle of lag depends on the
Acost/kVa rating of phase advancer
Brate of interest on capital outlay
Crate of depreciation
Dvalue of original lagging p.f. angle

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