MGVCL Exam Paper (30-07-2021 Shift 2) The Great Barrier Reef is located in which country? Australia Germany India Canada Australia Germany India Canada ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 2) Consider the following statements associated with Buchholz's relays.Statement 1: Buchholz's relay is a current operated device.Statement 2 : Buchholz's relay is placed between the transformer tank and the conservator. Statement 1 is FALSE and Statement 2 is TRUE Statement 1 is TRUE and Statement 2 is FALSE Both Statement 1 and Statement 2 are FALSE Both Statement 1 and Statement 2 are TRUE Statement 1 is FALSE and Statement 2 is TRUE Statement 1 is TRUE and Statement 2 is FALSE Both Statement 1 and Statement 2 are FALSE Both Statement 1 and Statement 2 are TRUE ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Buchholz relay is gas operated relay.It will operate when internal fault occurs in transformer.It is placed between tank to main conservator.It has two contacts trip and alarm.Use of Buchholz relay in distribution transformer is not economical.
MGVCL Exam Paper (30-07-2021 Shift 2) A circular loop has its radius increasing at a rate of 2 m/s. The loop is placed perpendicular to a constant magnetic field of 0.1 Wb/m². When the radius of the loop is 2 m, the emf induced in the loop will be 0.2π V 0.8π V 0.4π V zero 0.2π V 0.8π V 0.4π V zero ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = dΨ/dt = change of flux linkageemf = dф/dtemf = d(B*Area)/dtemf = B*d(area)/dtemf = B*d(πr²)/dtemf = Bπ*2r*dr/dtemf = Bπ*2r*change of radius per unit timeemf = 0.1*π*2*2emf = 4π
MGVCL Exam Paper (30-07-2021 Shift 2) In a typical DC micro grid, hybrid storage system is a combination of Lead acid battery and Lithium ion battery Lead acid battery and ultra capacitor / super capacitor Lead acid battery and Capacitor None of these Lead acid battery and Lithium ion battery Lead acid battery and ultra capacitor / super capacitor Lead acid battery and Capacitor None of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Hybrid storage system is a combination of microturbines, fuel cells, photovoltaics (PV), Lead acid battery and ultra or super capacitors etc.
MGVCL Exam Paper (30-07-2021 Shift 2) In transformer, bushing failure occurs due to(i) transformer vibrations(ii) dielectric losses(ii) partial discharge (ii) and (iii) only (i) and (iii) only (i), (ii) and (iii) (i) and (ii) only (ii) and (iii) only (i) and (iii) only (i), (ii) and (iii) (i) and (ii) only ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 2) Transistors were used in ____ of Computers. Second Generation Fourth Generation Third Generation First Generation Second Generation Fourth Generation Third Generation First Generation ANSWER DOWNLOAD EXAMIANS APP
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