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Power Systems

Power Systems
Operating time of pumped storage plant is

 high
 can't say
 very high
 low

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Power Systems
In which of the following configuration power transferability is higher?

 horizontal configuration
 same in both configuration
None of these
 triangular configuration

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Power Systems
Four identical alternators each are rated for 20 MVA, 11 KV having a subtransient reactance of 16% are working in parallel. The short circuit level at the busbar is

 400 MVA
 100 MVA
 500 MVA
 125 MVA

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Power Systems
If sparsity of a 5 bus transmission line is 0.4. Find the number of transmission lines?

 5
 4
 3
 6

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Power Systems
In triangular configuration, inductance and capacitance values are ------ and ------ respectively

 less, higher
 higher, higher
 less, less
 higher, less

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Power Systems
On what factor does the performance of a circuit breaker depend?

  Both A and C.
  None of these.
  Breaking speed.
 Critical length of breaking.

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