An 800 kV transmission line has a maximum power transfer capacity on the operated at 400 kV with the series reactance unchanged,the new maximum power transfer capacity is approximately

1.  P

2.  2P

3.  P/2

4.  P/4

View Answer  
4
Correct Answer :

P/4


Explanation :
No Explanation available for this question

The insulation strength of an EHV transmission line is mainly governed by

1.  load power factor

2.  switching over-voltages

3.  harmonics

4.  corona

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4
Correct Answer :

switching over-voltages


Explanation :
No Explanation available for this question

High Voltage DC (HVDC) transmission is mainly used for

1.  bulk power transmission over very long distances

2.  inter-connecting two systems with the same nominal frequency

3.  eliminating reactive power requirement in the operation

4.  minimizing harmonics at the converter stations

View Answer  
4
Correct Answer :

bulk power transmission over very long distances


Explanation :
No Explanation available for this question

The Q-meter works on the principle of

1.  mutual inductance

2.  self inductance

3.  series resonance

4.  parallel resonance

View Answer  
4
Correct Answer :

series resonance


Explanation :
No Explanation available for this question

A PMMC voltmeter is connected across a series combination of a DC voltage source V1 = 2V and an AC voltage source v2(t)=3sin(4t) V.The meter reads

1.  2V

2.  5V

3.  

4.  

View Answer  
4
Correct Answer :

2V


Explanation :
No Explanation available for this question

Assume that D1 and D2 in Fig.below are ideal diodes.The value of current I is:

1.  0 mA

2.  0.5 mA  

3.  1 mA  

4.  2 mA

View Answer  
4
Correct Answer :

0 mA


Explanation :
No Explanation available for this question

The 8085 assembly language instruction that stores the contents of H and L registers into the memory locations 2050H and 2051H respectively is

1.  SPHL 2050H

2.  SPHL 2051H

3.  SHLD 2050H

4.  STAX 2050H

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4
Correct Answer :

SHLD 2050H


Explanation :
No Explanation available for this question

Assume that the N-channel MOSFET shown in Fig.given below is ideal and that its threshold voltage is +1.0V.The voltage Vab between nodes a and b is:

1.  5V

2.  2V

3.  1V

4.  0V

View Answer  
4
Correct Answer :

0V


Explanation :
No Explanation available for this question

The digital circuit shown in Fig. given below works as a

1.  JK flip-flop

2.  Clocked RS flip-flop

3.  T flip-flop

4.  Ring counter

View Answer  
4
Correct Answer :

Ring counter


Explanation :
No Explanation available for this question

A digital-to-analog converter with a full-scale output voltage of 3.5V has a resolution dose to 14 mV.Its bit size is

1.  4

2.  8

3.  16

4.  32

View Answer  
4
Correct Answer :

8


Explanation :
No Explanation available for this question
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