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Power Systems

Power Systems
A CT is connected in ___________________ with the line.

  not connected.
  across.
  both A and B.
  series.

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Power Systems
Which of the following is/are the disadvantages of phase modifiers?

 Initial cost of synchronous phase modifier is higher
 It requires more maintenance because of running equipment
 It consumes both active and reactive power
All of these

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Power Systems
The rate of rise of re-striking voltage is dependent upon

 both 1 and 2
 capacitance of the system only
 inductance of the system only
 resistance of the system only

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Power Systems
Which following statement are not true for line parameters R, L, G and C of transmission line

 G = 1/R where G is conductance of line.
 LC = μ ε and RG = σ ε.
 All of above.
 Both R and G depend on the conductivity of conductor forming the line.

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Power Systems
Normally Z bus matrix is a

 full matrix
 sparse matrix
 null matrix
 unit matrix

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Power Systems
The function of moderator in a nuclear reactor is to

  reduce the speed of neutrons.
  stop chain reaction.
 absorb neutrons.
 reduce temperature.

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