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Power Systems

Power Systems
Pumped storage plant is a

 base load plant
 both 1 and 2
None of these
 peak load plant

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Power Systems
A load centre is at an equidistant from the two thermal generating stations G1 and G2. The fuel cost characteristics of the generating stations are given by F1 = a + bP1 + cP²1 F2 = a + b P2 + 2cP²2 Where P1 and P2 are the generation in MW of G1 and G2, respectively. For most economic generation to meet 300 MW of load, P1 and P2 respectively, are

 175, 125
 200, 100
 150, 150
 100, 200

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Power Systems
For a 500 Hz frequency excitation, a 100 km long power line will be modelled as

 shunt capacitor
 any of the above
 medium transmission line
 long transmission line

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Power Systems
Advantage/s of per unit system as compare to absolute system?

 memory required is less
 only one equation is required
 calculation time is less
All of these

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Power Systems
In transmission lines distribution constants are

 resistance
 both 1 and 2
 inductance and capacitance
 inductance and resistance

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Power Systems
The economics of power plant is greatly influenced by

 both 1 and 2
 diversity factor
 load factor
 nether 1 nor 2

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