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Power Systems

Power Systems
If the load is short circuited, then reflection coefficient of voltage is

 -2
 0
 1
 -1

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Power Systems
Which of the following power plants needs highly skilled/qualified engineers for its operation

 Thermal.
 Hydro Power Plant
 Gas-turbine.
 Nuclear.

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Power Systems
Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load?

 0.98 pu
 0.098 pu
 1 pu
 1.098 pu

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Power Systems
Which of the following statements are true?

 Bus admittance matrix is a sparse matrix
 both 1 and 2
 Bus impedance matrix is a full matrix
 nether 1 nor 2

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Power Systems
Find the number of strands of ACSR conductor for 4 layer transmission line?

 29
 1
 37
 7

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Power Systems
Find the characteristic impedance of a transmission line, if impedance is 16 Ω and admittance is 0.1 mâ„§?

 400 Ω
 320 Ω
 200 Ω
 160 Ω

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