DGVCL Exam Paper (12-06-2016) Admittance relay is _____ relay. Impedance Directional None of these Non-directional Impedance Directional None of these Non-directional ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Cylindrical type transformer has: None of these All of these Single magnetic circuit Double magnetic circuit None of these All of these Single magnetic circuit Double magnetic circuit 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: 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 Transformer may start to smoke and burn Current will be too much high No effect ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Core loss of transformer = Hysteresis loss + eddy current lossHysteresis loss prpotional to feddy current loss prpotional to f².
DGVCL Exam Paper (12-06-2016) Increasing the number of turns of wire on the secondary of a transformer will Increase the primary current Increase the secondary current Decrease the secondary current Have no effect on the secondary current Increase the primary current Increase the secondary current Decrease the secondary current Have no effect on the secondary current ANSWER EXPLANATION DOWNLOAD EXAMIANS APP transformer ratio K : N₂/N₁=V₂/V₁=I₁/I₂
DGVCL Exam Paper (12-06-2016) As per Electricity Act, _____ means a process which simultaneously produces two or more forms of useful energy (including electricity). Cogeneration Captive Power Plant Power generation None of these Cogeneration Captive Power Plant Power generation None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) In a transformer the energy is conveyed from primary to secondary Through air By the flux Through cooling coil None of these Through air By the flux Through cooling coil None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP function of transfomer is that transfer electrical energy from primary cicuit to secondary through magnetic cicuit by mutual induction
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