DGVCL Exam Paper (12-06-2016) You should choose Sleep option when You are leaving for a very short time and want to resume your work shortly. When computer gets hanged frequently. Let it sleep for some time. You finish working and are going to bed. The computer is tired after working for the whole day. You are leaving for a very short time and want to resume your work shortly. When computer gets hanged frequently. Let it sleep for some time. You finish working and are going to bed. The computer is tired after working for the whole day. 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: No effect Current will be too much high Transformer may start to smoke and burn Eddy Current and Hysteresis losses will be excessive No effect Current will be too much high Transformer may start to smoke and burn 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.
DGVCL Exam Paper (12-06-2016) Reactance relay is used for protection against: Earth fault None of these Phase fault Over voltage fault Earth fault None of these Phase fault Over voltage fault ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) _____ electric power is the most common method used by electrical grids to transfer power Two-phase Three-phase One-phase None of these Two-phase Three-phase One-phase None of these ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) Cylindrical type transformer has: Single magnetic circuit All of these None of these Double magnetic circuit Single magnetic circuit All of these None of these Double magnetic circuit ANSWER DOWNLOAD EXAMIANS APP
DGVCL Exam Paper (12-06-2016) The relay operating speed depends upon Armature core air gap All of these The spring tension The rate of flux built up Armature core air gap All of these The spring tension The rate of flux built up ANSWER DOWNLOAD EXAMIANS APP
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