1) Which among the following is not the pronged approach to energy management?
a. Capacity utilization
b. Fine turning of equipment
c. Technology up gradation
d. All of these
e. None of these
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2) The rules of a particular electricity supply system provision for metering, earthing and for other installation matters are in accordance with the electricity supply act of
a. 1947
b. 1948
c. 1956
d. 1958
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3) Energy conservation act was formed in the year
a. 1998
b. 1999
c. 2000
d. 2001
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4) The Indian electricity rules of 1956 cover
a. Inspections of electric installations
b. Licensing
c. General safety precautions
d. Only b and c
e. All of these
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5) The water pollution prevention and control act was formed in the year
a. 1986
b. 1974
c. 1981
d. 1980
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6) In Germany, the maximum energy consumption of a low energy house is
a. 50 kWh / m2a
b. 60 kWh / m2a
c. 70 kWh / m2a
d. 80 kWh / m2a
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7) In passive potential energy strategies,
a. There is no systematic planning
b. Measures with low profitability is not considered
c. One should have high knowledge of the energy price
d. All of these
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8) The energy strategies of companies have the principle of
a. restoring and preserving the environment
b. reducing wastes and pollutants
c. educating the people about energy conservation
d. all of these
e. none of these
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9) The monitor and control of energy management system is done by using
a. MATLAB
b. SCADA
c. AUTO - CAED
d. All of these
e. None of these
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10) Cloud base energy management system provides the ability to
a. Remotely control HVAC
b. Collect real time data
c. Generate intelligent, specific and real time guidance
d. Only b and c
e. All of these
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11) In valley filling, the incremental costs during peak hours are
a. Less than the average costs of electricity
b. More than the average costs of electricity
c. Equal to the average cost of electricity
d. None of these
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12) A conventional incandescent lamp has a luminous efficiency of
a. 10 lumens / watt
b. 12 lumens / watt
c. 14 lumens / watt
d. 14.6 lumens / watt
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13) The rotational speed of an AC induction motor depends on the
a. Number of poles in stator
b. Frequency of the applied AC power
c. Both a and b
d. None of these
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14) The basic function of electronic ballast is
a. To ignite the lamp
b. To stabilize the gas discharge
c. To supply the power to the lamp
d. Only a and c
e. All of these
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15) The efficiency of variable speed drives generally
a. Decreases with speed
b. Increases with speed
c. Remains constant with change in speed
d. None of these
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16) The reactive power component kVAR is equal to the
a. kVA sin∅
b. kW tan∅
c. kW cos∅
d. Both (a) and (b)
e. None of these
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17) The production factor is defined as the ratio of
a. current year production to the reference year production
b. current year production to the reference month production
c. reference month production to the current month production
d. reference year production to the current year production
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Answer
Explanation
Related Ques
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ANSWER: current year production to the reference year production
Explanation:
No explanation is available for this question!
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18) The ratio of average load over a designated period to the peak load demand occurring in that period is known as
a. power factor
b. ratchet rate
c. load factor
d. production factor
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19) The conversion factor for the standard power rating motor is equal to
a. 0.735
b. 0.746
c. 0.748
d. 0.756
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20) The secondary distribution transformer is generally
a. Star connected
b. Star connected with the secondary delta connected
c. Delta connected with the secondary star connected
d. Delta connected
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Answer
Explanation
Related Ques
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ANSWER: Delta connected with the secondary star connected
Explanation:
No explanation is available for this question!
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21) Which method provides cash for the replacement of asset at the end of its useful life?
a. Straight line depreciation
b. Sum of years digits depreciation
c. Declining balance depreciation
d. Sinking fund depreciation
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22) A tax credit substantially
a. Increases the investment merit of the investment
b. Decreases the investment merit of the investment
c. Does not cause any effect on the investment merit of the investment
d. None of these
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Answer
Explanation
Related Ques
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ANSWER: Increases the investment merit of the investment
Explanation:
No explanation is available for this question!
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23) To save energy, Washington DC, has developed an investment analysis software package, ENVEST. This program can be run on an
a. IBM PC
b. PCXT
c. PCAT
d. All of these
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24) A sum of money is deposited in a SB account. If it is compounded annually at the rate of 8%, after 10 years it will become Rs 2,00,000. Then the sum of money is
a. Rs 92638.7
b. Rs 95233.1
c. Rs 96924.5
d. Rs 98888.1
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25) A person purchases a lathe for Rs. 8000 the freight and haulage cost Rs 150 and the charges for installation it is Rs 200. Its life is 20 years and the scrap value is Rs 250. Then the annual depreciation charges by straight line method is
a. Rs 405
b. Rs 452.6
c. Rs 438.9
d. Rs 523.8
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26) In order to improve the power factor of equipment operating at lagging power factor, a capacitor is connected
a. In series with the equipment
b. In parallel with the equipment
c. In series-parallel with the equipment
d. Either (a) or (b)
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27) If an alternator is supplying load of 350 kW at 0.6 pf lagging and its power factor is raised to unity then to supply the alternator for the same kVA loading, the extra required kilowatts will be
a. 205 kW
b. 212 kW
c. 233 kW
d. 246 kW
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28) A synchronous motor takes the leading current when it is
a. Overexcited
b. Under excited
c. Not excited
d. Either (a) or (b)
e. All of these
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29) To reduce the power consumption, the capacitors should be located
a. As close as possible to the load
b. As far as possible to the load
c. Not too close not too far from the load
d. All of these
e. None of these
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30) For voltage boosting in distribution networks the capacitors used is
a. Series capacitors
b. Shunt capacitors
c. Both (a) and (b)
d. None of these
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