ONLINE EE Multiple Choice Questions – Economics of Power Generation PART 1


1. A load curve is a plot of

(A)
Load versus generation capacity
(B)
Load versus current
(C)
Load versus time
(D)
Load versus cost of power.

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2. For economy in generation power
(A)
diversity factor should be high
(B)
plant utilization factor high
(C)
load factor should be high
(D)
load factor and diversity factor should be
low.

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3. Which of the following category of consumers
can provide highest load factor ?
(A)
A domestic consumer
(B)
A continuous process plant
(C)
A steel melting unit using arc furnace
(D)
A cold storage plant.

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4. The load of a consumer is generally measured
in terms of
(A) Volts
(B)
Amperes
(C)
Ampere hour
(D) kW.

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5. The normal connected load of a domestic
consumer is usually
(A) up to 10 kW
(B) 10 to 20
kW
(C) 25 to 50 kW
(D) 50 to
100 kW.

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6. Load factor during a period is
(A) Average Load / Installed Capacity
(B) Average Load / Maximum Load
(C) Maximum Load / Average Load
(D) Maximum Load / Installed Capacity.

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7. Which of the following installation provides
peaked load ?
(A)
Arc furnace
(B)
Air conditioner
(C)
Air compressor running continuously
(D)
Cold storage plant.

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8. Demand factor is the
(A) Maximum Demand / Average Demand
(B) Maximum Demand / Connected
Load
(C) Average Demand / Maximum Demand
(D) Connected Load / Maximum Demand.

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9. During summer months
the increased load is due to
(A) increased water supply
(B) vacations in institutions
(C) increased
business activity
(D)
increased use of fans and air conditioners.

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10. In
a system if the base load is the same as the maximum demand, the load factor
will be
(A) 1
(B)
Zero
(C) Infinity
(D)
1 percent.

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11. A
system having connected load of 100 kW, peak load of 80 kW. base load of 20 kW
and average load of 40 kW, will have a load factor of
(A) 40%
(B)
50%
(C) 60%
(D)
80%.

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12. Load
due to one tonne air conditioner is nearly
(A)100W
(B)
200 to 500 W
(C) 1 kW to 2 kW
(D) 5 kW to 10 kW.

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13. Load due to a ceiling fans is nearly
(A) 10W
(B) 40 to 50 W
(C)
100 to 200 W
(D) 250 W to
2000 W.

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14. Which
domestic utility item has highest power rating ?
(A) Refrigerator
(B) Ceiling fan
(C) Tube light
(D)
Electric iron.

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15. A
stereo with two 10 watt loudspeakers will provide electrical load of
(A) more than 12 W
(B)12 W
(C) less than 6 W
(D) 6 W.

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ONLINE EE Multiple Choice Questions - Economics of Power Generation PART 2
ONLINE MCQ EE AND ECE-POWER ELECTRONICS PART 13

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