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Power Systems

Power Systems
The Y bus matrix of 100 bus interconnected system is 90% sparse. Hence the number of transmission lines in the system must be

 250
 500
 450
 900

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Power Systems
Specified quantities of slack bus are

 P and Q
 P and V
 P and δ
 V and δ

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Power Systems
Stability of a transmission line can be increased by

 shunt capacitor
 shunt reactor
 series capacitor
 both 1 and 2

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Power Systems
If the inertia constant H = 8 MJ/MVA for a 50 MVA generator, the stored energy is

 200 MJ
 50 MJ
 8 MJ
 400 MJ

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Power Systems
Surge tank is kept very close to the

 turbine
 spill way
 generator
 pen stock

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Power Systems
The rate of rise of restricting voltage depends upon the

 Type of CB.
  Inductance and capacitance of the system.
 Capacitance of the system.
 Inductance of the system.

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