Electrical Machines Which of the following is not a part of transformer? Conservator tank. Commutator. Tap changer. Radiator. Conservator tank. Commutator. Tap changer. Radiator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines No load saturation characteristics are plotted between no load voltage and field current short circuit current and armature current short circuit current and field current no load voltage and armature current no load voltage and field current short circuit current and armature current short circuit current and field current no load voltage and armature current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider a separately excited DC motor. If the field current is increased while the armature terminal voltage is held constant, then speed of the motor Increase. Remains same. Decrease. None of these. Increase. Remains same. Decrease. None of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If we increase the rotor reactance value, the maximum torque will not changed decrease None of these increase not changed decrease None of these increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The commutator segments of DC machines are made up of copper brass copper alloy hard-drawn copper copper brass copper alloy hard-drawn copper ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole 50 Hz induction motor is running at 1470 rpm. Find the speed of stator magnetic field with respect to rotor? 30 rpm zero 1500 rpm 1470 rpm 30 rpm zero 1500 rpm 1470 rpm ANSWER DOWNLOAD EXAMIANS APP
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