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55.

A nuclear power station of 500 MW capacity is located at 300 km away from a load center. Select the most suitable power evacuation transmission configuration among the followings options. [1 mark]

asked in Electrical Engineering, 2011

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56.

The frequency response of a linear system G(jω) is provided in the tabular form below.

|G(jω)| 1.3 1.2
1.0
0.8
0.5
0.3

∠G(jω) -130° -140° -150° -160° -180° -200°

The gain margin and phase margin of the system are [1 mark]
(A) 6 dB and 30°
(B) 6 dB and -30°
(C) -6 dB and 30°
(D) -6 dB and -30°

last reply by CpjJwWHV • 13 years ago • asked in Electrical Engineering, 2011

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57.

The steady state error of a unity feedback linear system for a unit step input is 0.1. The steady state error of the same system, for a pulse input r(t) having a magnitude of 10 and a duration of one second, as shown in the figure is

[1 mark]
(A) 0
(B) 0.1
(C) 1
(D) 10

asked in Electrical Engineering, 2011

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58.

For the circuit shown below,

the CORRECT transfer characteristic is [1 mark]

asked in Electrical Engineering, 2011

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59.

Consider the following statements:
(i) The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the current coil.
(ii) The compensating coil of a low power factor wattmeter compensates the effect of the impedance of the voltage coil circuit.
[1 mark]
(A) (i) is true but (ii) is false
(B) (i) is false but (ii) is true
(C) both (i) and (ii) are true
(D) both (i) and (ii) are false

asked in Electrical Engineering, 2011

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60.

A low-pass filter with a cut-off frequency of 30 Hz is cascaded with a high-pass filter with a cut-off frequency of 20 Hz. The resultant system of filters will function as [1 mark]
(A) an all-pass filter
(B) an all-stop filter
(C) a band stop (band-reject) filter
(D) a band-pass filter

asked in Electrical Engineering, 2011

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