Power Systems Advantages of per unit system is/are All of these It has units for all quantities No units for any quantity Need of transformation ratio All of these It has units for all quantities No units for any quantity Need of transformation ratio ANSWER DOWNLOAD EXAMIANS APP
Power Systems Which of the following grounding is not practically preferred for protection of equipments? All of these isolated grounding reactance grounding resistance grounding All of these isolated grounding reactance grounding resistance grounding ANSWER DOWNLOAD EXAMIANS APP
Power Systems The function of moderator in a nuclear reactor is to absorb the excess. All of these to slow down the neutrons. to increase the energy of the neutrons. to absorb the excess. All of these to slow down the neutrons. to increase the energy of the neutrons. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Reheat cycle in thermal power plant is used to reduce loss of heat. increase thermal efficiency. improve condenser performance. utilize heat of flue gases. reduce loss of heat. increase thermal efficiency. improve condenser performance. utilize heat of flue gases. ANSWER DOWNLOAD EXAMIANS APP
Power Systems Three generators rated 100 MVA, 11 kV have an impedance of 0.15 pu each. If in the same plant, these generators are being replaced by a single equivalent generator, the effective impedance of equivalent generator will be 0.25 pu 0.15 pu 0.45 pu 0.05 pu 0.25 pu 0.15 pu 0.45 pu 0.05 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems The capacitance of an overhead transmission line increases with neither 1 nor 2 increase in mutual geometrical mean distance increase in height of conductors above ground both 1 and 2 neither 1 nor 2 increase in mutual geometrical mean distance increase in height of conductors above ground both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
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