74. In the case of a single L-N fault of a 3 phase isolated neutral power system, what will be the

voltage on healthy phases? The line-to-line voltage is V kV :
வ ‏وہ‎ യു 01%

© श्प 0) 3 VLV

75. A lossless transmission line having surge impedance loadings of 2000 MW is provided with a
distributed series capacitive compensation of 200 MVAR. The SIL of the compensated line

will be :
(A) 2000 MW (B) 1800 MW
(¢) 2200 MW (D) 2010 MW

76. A voltage of 5++5 sin (314¢+30°)+5v5 sin 628t was measured with a capacitive coupled
rms meter. What will be the reading?
)۵ V130 ര 5
(0: ೪155 യ 0
77. A DC ammeter has a resistance of 0.1Q and its currents range is 0100 A . If the range 18 19
be extended to 0-500A, then the shunt resistance should be :
ಯ) 08೧ ए) 02೧
(0) 0.025Q D) 0.05

78. A single phase energy meter is operating on 200 V, 50 Hz supply with a load of 10 A for two
hours at 0.8 p.f. The meter takes 1800 revolutions in that period. The meter constant is :

(5) 1800 rev/kwh (ए) 900 revikwh
)0 1000 revikwh (D) 500 revikwh
79. What will be the reading on the wattmeter connected in the following figure? Assume
balanced supply :
(ಗ) 500 भ (8) -1000 भ
(2) 7 (D) 77
80. Which of the following device will be chosen to measure the flow of fluid in open channel?
(A) Pilot tube (18) Ring Balance flow meter
(C) Rotameter (D) Piston flow meter
A 11 167/2016

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