MGVCL Exam Paper (30-07-2021 Shift 1) જ્વાળા: ધુમાડો:: બરફ : ___ ગરમી બાષ્પ તાપમાન શીતળતા ગરમી બાષ્પ તાપમાન શીતળતા ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) The frequency of the emf in the stator of a 4-pole induction motor is 50 Hz, and that in the rotor is 2 Hz. What is the slip and at what speed is the motor running? 3%, 1455 rpm 3%, 1440 rpm 4%, 1455 rpm 4%, 1440 rpm 3%, 1455 rpm 3%, 1440 rpm 4%, 1455 rpm 4%, 1440 rpm ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Rotor frequency, f_r = s*f_ss = 2/50s = 0.04Ns = 120f/PNs = 1500 rpms = (Ns - Nr)/NsNr = Ns(1 - s)Nr = 1500*(1 - 0.04)Nr = 1440 rpm
MGVCL Exam Paper (30-07-2021 Shift 1) માણસ: ઘર :: પશુ : અંતરિક્ષ પાતાળ ગુફા આકાશ અંતરિક્ષ પાતાળ ગુફા આકાશ ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) Choose the word which best expresses the similar meaning of the given word " CALLOW" Sophisticated Mature Calm Immature Sophisticated Mature Calm Immature ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 1) An RLC series circuit consists of R = 16 Ω, L = 5 mH and C = 2 μF. Calculate the quality factor. 5.125 2.125 3.125 4.125 5.125 2.125 3.125 4.125 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP For series RLC circuit,Q = (1/R)*√(L/C)Q = 1/16*√(5 mH/2 μF)Q = 50/16Q = 3.125
MGVCL Exam Paper (30-07-2021 Shift 1) Insulation Power Factor testing on an oil-filled transformer is not helpful in determining ___ Turns ratio values Whether the oil test indicates moisture Movement of the windings (change in capacitance) Condition of paper insulation (change in watts losses) Turns ratio values Whether the oil test indicates moisture Movement of the windings (change in capacitance) Condition of paper insulation (change in watts losses) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A form of AC testing that applies voltage and measures the leakage/loss current of electrical insulation.It is a type of insulation testing used to evaluate the integrity of electrical insulation.
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