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NLC Technical Quiz 46

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Question 1

For given open circuit characteristics DC Shunt generator the value of critical speed for voltage build up will be ________. For voltage build up. Process to occurs to speed generator should be ……………than critical speed. (Given rated speed = 1200 rpm)

Question 2

If the input voltage, v(t) = 4 + 3sin(4t) + 2sin(5t) + 15sin(10t) & the current supplied by the source is i(t)= 7 + 2sin(4t) + 4sin(5t) + 10sin(15t).
Calculate the average power delivered by the source?

Question 3

An inductance of 20H is connected in series with capacitance of 120μf. The circuit is operated at 120V, 50H supply. Find out the nature & equivalent Impedance of the Network.

Question 4

A single-phase a.c. system supplies a certain power and this system is converted to 3-phase a.c. system by running a third similar conductor. The percentage additional load that can be supplied for the same voltage between conductors and the same percentage loss is

Question 5

The function of moderate in Nuclear Reactor is to

Question 6

Surge impedance of the line

Question 7

A digital voltmeter has a read-out range from (0 – 9,999) counts. Determine the resolution of the instrument in Volt when the full-scale reading is 9.999 V.

Question 8

In a two-wattmeter method, at a power factor angle of 60^o lagging, what will be the reading of both the wattmeter respectively

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ESE & GATE EE General

Aug 3ESE & GATE EE