MGVCL Exam Paper (30-07-2021 Shift 2) A three-phase, 4-pole, 50 Hz induction motor runs at 1425 rpm. Find out the percentage slip of the induction motor. 6% 3% 5% 4% 6% 3% 5% 4% ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Slip, s = (Ns - Nr)/NsNs = 120f/PNs = 1500 rpms = (1500 - 1425)/1500s = 0.05%s = 5%
MGVCL Exam Paper (30-07-2021 Shift 2) A wire pilot is generally economical for distances up to 75 km to 100 km 30 km to 60 km 20 to 25 km 10 km to 15 km 75 km to 100 km 30 km to 60 km 20 to 25 km 10 km to 15 km ANSWER EXPLANATION DOWNLOAD EXAMIANS APP A wire pilot is generally economical for distances up to 5 or 10 miles, beyond which a carrier-current pilot usually becomes more economical.
MGVCL Exam Paper (30-07-2021 Shift 2) Find the word which is correctly spelt from the given options. Oscillate Abolishid seriuous Socialy Oscillate Abolishid seriuous Socialy ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 2) In circuit breaker, the term MCCB stands for miniature compact circuit breaker modern closed circuit breaker moulded case circuit breaker miniature case circuit breaker miniature compact circuit breaker modern closed circuit breaker moulded case circuit breaker miniature case circuit breaker ANSWER EXPLANATION DOWNLOAD EXAMIANS APP MCCB stands for Moulded Case Circuit Breaker.MCB stands for Miniature Circuit Breaker.ELCB stands for Earth Leakage Circuit BreakerRCCB stands for Residual Current Circuit Breaker.
MGVCL Exam Paper (30-07-2021 Shift 2) What is the full form of UN in 'UN Human Rights Prize'? Uniform Nacional Uniformed Nations Unity Nation United Nations Uniform Nacional Uniformed Nations Unity Nation United Nations ANSWER DOWNLOAD EXAMIANS APP
MGVCL Exam Paper (30-07-2021 Shift 2) A generating station having 'n' section busbars each rated at Q kVA with ×% reactance is connected on the tie-bars systems through busbar reactances of b%. Determine the short circuit kVA if a 3-phase fault takes place on one section. Q[(1/x) - (n+1)/(bn-x)] Q[(1/x) + (n+1)/(bn+x)] Q[(1/x) + (n+1)/(bn-x)] Q[(1/x) + (n-1)/(bn+x)] Q[(1/x) - (n+1)/(bn-x)] Q[(1/x) + (n+1)/(bn+x)] Q[(1/x) + (n+1)/(bn-x)] Q[(1/x) + (n-1)/(bn+x)] ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Short circuit kVA of any bus is given by:Skva = Sbase*(100/% X)Where,Sbase - base rating in kVA% X - value of reactance in %
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