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Power Systems

Power Systems
Find the propagation constant, if impedance is 10Ω and admittance is 10 â„§?

 10
 100
 1
 5

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Power Systems
MCB stands for

  miniature circuit breaker.
  maximum capacity breaker.
  minimum capacity breaker.
  molded circuit breaker.

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Power Systems
To protect the power transformer ( Y-Y with neutral grounded) against fault, which type of connection do the current transformers have?

 Δ-Δ connection
 Y-Y connection
 Δ-Y connection
 Y-Δ connection

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Power Systems
What is the function of economiser in steam boilers

 collect ash particals
All of these
 improving thermal efficiency
 cooling

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Power Systems
In an interconnected power system, the most suitable power plant to meet the peak load condition is

 pumped storage plant
 nuclear plant
 thermal plant
 hydro power plant

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Power Systems
If R = 84 ohm/Km, G = 10-6 mho/Km, H = 0.01 H/Km, C = 0.061 μ F/Km and frequency = 1000 Hz, then what is the value of propagation constant of the transmission line

 0.018 per Km.
 None of them.
 0.09 + j 0.018 per Km.
 0.01 + j 0.02 per Km.

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