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DFCCIL Executive Rapid Revision Quiz 15

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Question 1

Which county was in the first rank in the 2016 Human Development Index published by the United Nations Development Programme?

Question 2

If there are 10 toffee costing 10rs. Each. What is the selling price if these 10 toffees if they are sold at profit of 20%?

Question 3

An a.c. amplifier has a voltage gain of 55 and a power gain of 456.5. The a.c. output current is 24.9 mA and the a.c. input resistance is 200Ω, the r.m.s. value of a.c. input voltage is

Question 4

In the following figure, assume

and

the voltage gain if a load of

is connected to the output terminals when input voltage being

Question 5

The positive, negative and zero sequence impedances of 3-phase synchronous generator are j 0.5 pu, j 0.3 pu and j 0.2 pu respectively. When symmetrical fault occurs on the machine terminals. Find the fault current?

Question 6

The superposition theorem applies to

Question 7

Fig. shows a voltmeter-ammeter method of measuring the value of resistance R. Then what will be the value of ammeter resistance to measure the exact value of R.

Question 8

If a capacitor of 200

F is charged to a potential of 100 V, then the stored energy (in watts) record is _____.

Question 9

The life of the positive plates of a lead-acid cell is roughly…………………that of negative plates.

Question 10

The Boolean expression

simplifies to

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ESE & GATE EC General

Jul 30ESE & GATE EC