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Power Systems

Power Systems
Specified quantities of slack bus are

 P and Q
 V and δ
 P and V
 P and δ

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Power Systems
What are the tests performed for oil-filled and gas-filled cables ?

 Thermal stability test.
 Impulse tests.
 Load cycle tests.
  All of these.

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Power Systems
For flat voltage profile system, voltage regulation is

 any of the above
 0%
 50%
 100%

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Power Systems
In nuclear chain fission reaction each neutron causing fission produces

 no new neutron.
 less than one new neutron.
  at least one new neutron.
 one new neutron.

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Power Systems
Which of the following represents the transmission or reflection coefficient of voltage Tv? (Zl = Surge impedance of load, Zs = Surge impedance of line)

 (Zl - Zs)/(Zs + Zl)
 (Zs - Zl)/(Zs + Zl)
 2Zs/(Zs + Zl)
 2Zl/(Zs + Zl)

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Power Systems
For symmetrical network, the neutral current is

 zero
 maximum
 infinity
 any of the above

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