GETCO Exam Paper (22-07-2015) In rotating electrical machines, the insulation temperature limit for class B type is 130˚C 150˚C 180˚C 105˚C 130˚C 150˚C 180˚C 105˚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) Penalty factor in power system economical operation is measure of fuel cost generation cost all are correct Line loss fuel cost generation cost all are correct Line loss ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) Which of the following is the most likely reason for large overshoot in a control system? presence of dead time delay high retarding torque High gain in a system high positive correcting torque presence of dead time delay high retarding torque High gain in a system high positive correcting torque ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) For selecting low voltage cable which of the following factors is not important? current carrying capacity voltage grade short circuit current rating permissible voltage drop current carrying capacity voltage grade short circuit current rating permissible voltage drop ANSWER DOWNLOAD EXAMIANS APP
GETCO Exam Paper (22-07-2015) In synchronous motor, V-curve is a graph of Armature current Vs Field current Armature current Vs reactive power Armature current Vs power factor Armature current Vs active power Armature current Vs Field current Armature current Vs reactive power Armature current Vs power factor Armature current Vs active power ANSWER EXPLANATION DOWNLOAD EXAMIANS APP v curve: armature current → field currentInverted V curve: power factor → field current
GETCO Exam Paper (22-07-2015) Which of the following is not true about fuel cells? more efficient cost is higher than batteries need more than two electrode no recharging is needed more efficient cost is higher than batteries need more than two electrode no recharging is needed ANSWER DOWNLOAD EXAMIANS APP
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