Power Systems The arc voltage produced in an AC circuit breaker is always leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. leading the arc current by 90°. lagging the arc current by 90°. in phase with the arc current. in phase opposition with the arc current. ANSWER DOWNLOAD EXAMIANS APP
Power Systems The generating station suitable to operate as peak load plant is Nuclear power station. Power station. Pumped storage. Thermal power station. Nuclear power station. Power station. Pumped storage. Thermal power station. ANSWER DOWNLOAD EXAMIANS APP
Power Systems An unloaded generator with a pre-fault voltage 1 pu has the following sequence impedance: Z0 = j 0.15 pu, Z1 = Z2 = j 0.25 pu The neutral is grounded with a reactance of 0.05 pu. The fault current in pu for single line to ground fault is 4.28 pu 2.5 pu 7.25 pu 3.75 pu 4.28 pu 2.5 pu 7.25 pu 3.75 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems When a nuclear reaction is operating at constant power the multiplication factor is greater than 1. may be any of the above. less than 1. 1. greater than 1. may be any of the above. less than 1. 1. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Alternate formation and breakage of bubbles are called cavitations. All of these water hamming. surgfication. cavitations. All of these water hamming. surgfication. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Pipes carrying steam are generally of cobalt. aluminium. steel. cast iron. cobalt. aluminium. steel. cast iron. ANSWER DOWNLOAD EXAMIANS APP
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