Power Systems The per unit impedance of a circuit element is 0.30. If the base kV and base MVA are halved, then the new value of the per unit impedance of the circuit element will be 0.0030 0.60 0.30 0.0060 0.0030 0.60 0.30 0.0060 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The value of diversity factor is 0 less than 1 1 greater than 1 0 less than 1 1 greater than 1 ANSWER DOWNLOAD EXAMIANS APP
Power Systems The maximum efficiency of modern coal fired steam steam raising thermal power plants is restricted to about 0.35( a low value), mainly because of low steam turbine mechanical efficiency low alternator efficiency high energy loss in condenser high energy loss in boilers low steam turbine mechanical efficiency low alternator efficiency high energy loss in condenser high energy loss in boilers ANSWER DOWNLOAD EXAMIANS APP
Power Systems In which of the following configuration power transferability is higher? None of these triangular configuration horizontal configuration same in both configuration None of these triangular configuration horizontal configuration same in both configuration ANSWER DOWNLOAD EXAMIANS APP
Power Systems Buchholz relay is used for protection of transformer. bus bar. none of these. alternator. transformer. bus bar. none of these. alternator. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Critical disruptive voltage is a voltage at which both 1 and 2 corona is just initiated corona is visible with blue or violet colour nether 1 nor 2 both 1 and 2 corona is just initiated corona is visible with blue or violet colour nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
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