Questions on Economics of Power Generation Multiple choice Questions and Answers pdf

101. Which lightening stroke is most dangerous ?
(a) Direct stroke on line conductor
(b) Indirect stroke on conductor
(c) Direct stroke on tower top
(d) Direct stroke on ground wire
Ans: a

102.    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
Ans: d

103.    When the demand of consumers is not met by a power plant, it will resort to which of the following ?
(a) Load shedding
(b) Power factor improvement at the , generators
(c) Penalising high load consumers by increasing the charges for electricity
(d) Efficient plant operation
Ans: a

104.    Load shedding is possible through which of the following ?
(a)     Switching of the loads
(b)     Frequency reduction
(c)    Voltage reduction
(d)    Any of the above
Ans: d

105.    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
Ans: d

106    A company can raise funds through
(a) fixed deposits
(b) shares
(c) bonds
(d) any of the above
Ans: d

107.    Which of the following are not repayable after a stipulated period ?
(a) Shares
(b) Fixed deposits
(c) Cash certificates
(d) Bonds
Ans: a

108.    The knowledge of diversity factor helps in determining
(a) plant capacity
(b) average load
(c) peak load
(d) kWh generated
(e) none of the above
Ans: a

109.   Which of the following is the disadvantage of static capacitor for power factor improvement ?
(a) Easily damaged by high voltage
(b) Cannot be repaired
(c) Short service life
(d) All of the above
Ans: d

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