MGVCL Exam Paper (30-07-2021 Shift 1) જ્વાળા: ધુમાડો:: બરફ : ___ શીતળતા તાપમાન બાષ્પ ગરમી શીતળતા તાપમાન બાષ્પ ગરમી ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Determine maximum permissible load which a 15 MVA, ONAN cooled transformer to IS : 2026 can take for 6 hr, if the initial load on it was 12 MVA. The weighted ambient temperature is 20˚C. Assume the permissible load kVA as a fraction of rated kVA is 1.25. 15 MVA 18.75 MVA 9.6 MVA 12 MVA 15 MVA 18.75 MVA 9.6 MVA 12 MVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Maximum permissible load = Rated MVA rating*fraction of rated kVAMaximum permissible load = 15*1.25Maximum permissible load = 18.75 MVA
MGVCL Exam Paper (30-07-2021 Shift 1) By inserting a plate of dielectric material between the plates of a parallel plate capacitor at constant potential, the energy stored in the capacitor is increased five times. The dielectric constant of the material is 5 1/25 25 1/5 5 1/25 25 1/5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Energy stored by capacitor, Q = ½CV²Dielectric constant is directly proportional to C and capacitance is proportional to the dielectrical constant
MGVCL Exam Paper (30-07-2021 Shift 1) 1.મંગલ + આચરણ - મંગલાચરણ2. હરિ+ઇન્દ્ર - હરીન્દ્ર3.નર+ઈશ - નરેશ4. પ્રતિ+અક્ષ - પ્રતિક્ષઉપરોક્ત વર્ણવેલમાંથી કઈ સંધિ સાચી છે. 1,3 2,1 1,4 2,3, 1,3 2,1 1,4 2,3, ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Recently, Dr. Subir Vithal Gokarn passed away due to illness. He is a/an ___ Former Finance Minister Former RBI Deputy Governor Former Chief Minister of Gujarat Former IAS Officer Former Finance Minister Former RBI Deputy Governor Former Chief Minister of Gujarat Former IAS Officer ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Calculate the capacitance per meter of a 50 Ω load cable that has an inductance of 50 nH/m. 40 pF 20 pF 10 pF 30 pF 40 pF 20 pF 10 pF 30 pF ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Z = √(L/C)C = L/Z²C = 50*10⁻⁹/(50*50)C = 0.02 nFC = 20 pF
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