MGVCL Exam Paper (30-07-2021 Shift 3) સારું:નરસું::શુક્લ: ? અવિશાની અમર પરમ કૃષ્ણ અવિશાની અમર પરમ કૃષ્ણ ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) A star connected synchronous generator rated at 500 MVA, 50 kV has a reactance of 0.5 pu. Find the ohmic value of the reactance. 0.1 Ω 0.25 Ω 2.5 Ω 1 Ω 0.1 Ω 0.25 Ω 2.5 Ω 1 Ω ANSWER EXPLANATION DOWNLOAD EXAMIANS APP pu = actual/baserated phase consired at base value for alternator.ohmic pu = ohmic actual/ohmic basepu = ohmic actual*current base/voltage baseConsider all above phase valuesMVA (3phase) = 3 Vph IphIph = 500*10⁶/(3*28901.73) = 5766.66 Apu = ohmic actual*current base/voltage base0.5 = ohmic actual*5766.66/28901.73ohmic actual = 2.5 Ω
MGVCL Exam Paper (30-07-2021 Shift 3) The current in the coil of a large electromagnet falls from 6 A to 2 A in 10 ms. The induced emf across the coil is 100 V. Find the self-inductance of the coil. 0.75 H 1.25 H 0.25 H 0.5 H 0.75 H 1.25 H 0.25 H 0.5 H ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Equation of self inductance:V = Ls*(di/dt)Ls = V/(di/dt)= 100/((6 - 2)/(0.01))= 0.250 H= 250 mH
MGVCL Exam Paper (30-07-2021 Shift 3) Choose the word which expresses nearly the opposite meaning of the given word "DILIGENT " Careful Active Busy Lasy Careful Active Busy Lasy ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) A rectangular conductor is 1.6 inches wide and 0.25 inch thick. What is its area in square mils? 4000 square mils 40000 square mils 400 square mils 400000 square mils 4000 square mils 40000 square mils 400 square mils 400000 square mils ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 1.6 inches = 1.6 inches x 1,000 mils per inch = 1,600 mils0.25 inch = 0.25 inch x 1,000 mils per inch = 250 milsArea = 1,600 x 250 = 400,000 square mils
MGVCL Exam Paper (30-07-2021 Shift 3) What is the full form of the acronym 'SWIFT', in financial institution? Social World interconnection in Financial Tech process Society for Worldwide Interbank Financial Telecommunication Society website in Financial Terms Social Wide in Financial Transaction Social World interconnection in Financial Tech process Society for Worldwide Interbank Financial Telecommunication Society website in Financial Terms Social Wide in Financial Transaction ANSWER DOWNLOAD EXAMIANS APP
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