DGVCL Exam Paper (12-06-2016) The following is a Transmission Company: MGVCL GETCO GERC DGVCL MGVCL GETCO GERC DGVCL ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Cylindrical type transformer has: Double magnetic circuit All of these Single magnetic circuit None of these Double magnetic circuit All of these Single magnetic circuit None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) If 3000 kW power is to be transmitted over a distance of 30 km, the desirable transmission voltage will be 132 kV 11 kV 33 kV 66 kV 132 kV 11 kV 33 kV 66 kV ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Isolator in substation is open under _____ condition. No load Short circuit Full load None of these No load Short circuit Full load None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Isolators do not have capacity to make or breake circuit when current flowing in circuit
DGVCL Exam Paper (12-06-2016) The relay operating speed depends upon All of these Armature core air gap The rate of flux built up The spring tension All of these Armature core air gap The rate of flux built up The spring tension ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) What would happen if a power transformer designed for operation on 50 Hz (frequency) were connected to a 500 Hz (frequency) source of the same voltage: Transformer may start to smoke and burn Current will be too much high No effect Eddy Current and Hysteresis losses will be excessive Transformer may start to smoke and burn Current will be too much high No effect Eddy Current and Hysteresis losses will be excessive ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².