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Power Systems

Power Systems
Find the number of strands of ACSR conductor for 3 layer transmission line?

 7
 19
 29
 1

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Power Systems
A transmission line has 200 km operating at frequency of 10 Hz Hz. Find the type of the line

 long transmission line
 short transmission line
 medium transmission line
 any of the above

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Power Systems
Positive, negative and zero sequence impedances of line are 2,2 and 5 pu respectively. Find self and mutual impedances respectively?

 2 and 2 pu
 1 and 3 pu
 2 and 5 pu
 3 and 1 pu

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Power Systems
A cable has the following characteristics, L = 0.201 µH/m and C = 196.2 pF/m. The velocity of wave propagation through cable is

 159.24 m/s
 0.0312 m/s
 159.24 m/µs
 32 m/s

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Power Systems
Which of the following represents the transmission line positive sequence reactance

 2Xs + Xm
 Xm - Xs
 Xs +2 Xm
 Xs - Xm

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Power Systems
Surge tank is kept very close to the

 generator
 pen stock
 spill way
 turbine

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