MGVCL Exam Paper (30-07-2021 Shift 3) સારું:નરસું::શુક્લ: ? કૃષ્ણ અમર અવિશાની પરમ કૃષ્ણ અમર અવિશાની પરમ ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) A 1000 kVA ONAN cooled transformer has a load of 500 kVA throughout the day except for a period of 2 hours. What is the permissible overload for a duration of two hours. Assume the permissible load kVA as a fraction of rated kVA is 1.43. 1050 kVA 1430 kVA 715 kVA 700 kVA 1050 kVA 1430 kVA 715 kVA 700 kVA ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Permissible overload for transformer = Full load kVA*factor for permissible overload= 1000*1.43= 1430 kVA
MGVCL Exam Paper (30-07-2021 Shift 3) A three phase four pole 50 Hz induction motor has a rotor resistance of 0.02 Ω/phase and stand-still reactance of 0.5 Ω/phase. Calculate the speed at which the maximum torque is developed. 1475 rpm 1440 rpm 1500 rpm 1525 rpm 1475 rpm 1440 rpm 1500 rpm 1525 rpm ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Condition for maximum torque,Sm = R2/X2= 0.04Ns = (120*f)/P= (120*50)/4= 1500 rpmS = (Ns - Nr)/NsNr = Ns(1 - Sm)= 1500*(1 - 0.04)= 1440 rpm
MGVCL Exam Paper (30-07-2021 Shift 3) What items should be considered when looking at a site for a new transformer installation? Environmental impact Soils Report Site Survey All of these Environmental impact Soils Report Site Survey All of these ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Points should be consider for new transformer installation:LocationEnvironmental impactSoils conditionSurvey of landVentilationGroundingWiringFluid checkInspection
MGVCL Exam Paper (30-07-2021 Shift 3) Rearrange the following to form a meaningful sentence and find the most logical order from the given options.P: globally, out of which over 200 millionQ: are now in India, andR: flipkart has 700 million usersS: growing exponentially RPQS PQRS RPSQ RSQP RPQS PQRS RPSQ RSQP ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 3) Which state is the largest producer of wind energy in India? Tamil Nadu Madhya Pradesh Andhra Pradesh Maharashtra Tamil Nadu Madhya Pradesh Andhra Pradesh Maharashtra ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Rank - State - Capaciy1 - Tamilnadu - 7.5 GW2 - Maharastra - 5 GW3 - Karnataka - 4.8 GW4 - Rajsthan - 4.3 GW
EXAMIANS