GETCO Exam Paper (22-07-2015) In sub stations for making and breaking of load current relays are used isolators are used circuit breakers are used load interrupter switches are used relays are used isolators are used circuit breakers are used load interrupter switches are used ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fuel cell for power generation have drawback of _____ Synchronization problems Very high development costs Low life span Noise, pollution and maintenance problems Synchronization problems Very high development costs Low life span Noise, pollution and maintenance problems ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 105˚C 130˚C 180˚C 150˚C 105˚C 130˚C 180˚C 150˚C ANSWER EXPLANATION DOWNLOAD EXAMIANS APP insulation Class and temperature limit(in ˚C) is given below:Y - 90A- 105E- 120B-130F-155H-180C- above 180
GETCO Exam Paper (22-07-2015) The insulation strength of an EHV transmission line is mainly governed by Load power factor Corona Switching over voltages Harmonics Load power factor Corona Switching over voltages Harmonics ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Two watt meter method for 3 phase circuit is preferred over other methods because all are correct it can be used for balanced or unbalanced load it can be used for star or delta connected load PF of the load can also be estimated all are correct it can be used for balanced or unbalanced load it can be used for star or delta connected load PF of the load can also be estimated ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) 100% string efficiency means One of the insulator discs shorted Zero potential across each disc Equal potential across each disc None uniform potential distribution across each disc One of the insulator discs shorted Zero potential across each disc Equal potential across each disc None uniform potential distribution across each disc ANSWER DOWNLOAD EXAMIANS APP
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