GETCO Exam Paper (22-07-2015) Who is the vice president of India? (As on 22/07/2015) Dr. Hamid Ansari Nazama heptulla Pranav Mukharjee O.P. Kohli Dr. Hamid Ansari Nazama heptulla Pranav Mukharjee O.P. Kohli ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Switching surges are power frequency voltage high votage DCs short duration transient voltage high voltage Acs power frequency voltage high votage DCs short duration transient voltage high voltage Acs ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Light from the nearest star (other than the sun) reaches the earth in 4.2 minutes 4.2 hours 42 secs 4.2 years 4.2 minutes 4.2 hours 42 secs 4.2 years ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) The instantaneous value of power in purely inductive circuit is none of this changing constant zero none of this changing constant zero ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The instantaneous value of power in purely inductive circuit is changing as it is given as v*i. The average power of purely inductive circuit over a cycle is zero
GETCO Exam Paper (22-07-2015) For eliminating 7th harmonics from generated EMF in alternator the fractional pitch must be 6\7 7\8 2\3 5\6 6\7 7\8 2\3 5\6 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP fractional pitch = Cos( α/2)α is obtain from: (nα/2)=90˚ where n is harmonicα=25.7143˚fractional pitch=6/7
GETCO Exam Paper (22-07-2015) For a given transformer volte/turn for primary and secondary winding is depends on transformer design different same depends on load depends on transformer design different same depends on load ANSWER EXPLANATION DOWNLOAD EXAMIANS APP emf = 4.44*f*φ*Temf/T = 4.44*f*φ
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