GETCO Exam Paper (22-07-2015) The magnitude of sum of two sinusoidal AC voltages is equal to the magnitude of each individual voltage, What must be the phase difference between voltages? 90 120 60 180 90 120 60 180 ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is not function of substation batteries? provide supply to the excitation system operating protective relay systems emergency lighting circuits operating automatic control circuits provide supply to the excitation system operating protective relay systems emergency lighting circuits operating automatic control circuits ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is the wrong statement in terms of slack bus? it has finite reactive power generation capability it should be the largest generator bus in the system voltage and angle is specified at this bus it should be located at the centre of the area it has finite reactive power generation capability it should be the largest generator bus in the system voltage and angle is specified at this bus it should be located at the centre of the area ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Fuel cell for power generation have drawback of _____ Very high development costs Noise, pollution and maintenance problems Synchronization problems Low life span Very high development costs Noise, pollution and maintenance problems Synchronization problems Low life span ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Calculate torque developed by the 3-phase, 5 HP, 4 pole induction motor runs at 1500 rpm 0 N-m 23.5 N-m 10 N-m 22 N-m 0 N-m 23.5 N-m 10 N-m 22 N-m ANSWER EXPLANATION DOWNLOAD EXAMIANS APP P = 2πTN/60 where N is speed in rpm
GETCO Exam Paper (22-07-2015) In a power system network, at which bus the shunt is connected that can be known from none of these type of bus Y bus of the system reactive power demand none of these type of bus Y bus of the system reactive power demand ANSWER DOWNLOAD EXAMIANS APP
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