Electrical Machines The material used for commutator brushes is mostly cast iron. carbon. mica. copper. cast iron. carbon. mica. copper. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC motor is connected across the AC supply it will Run at lower speed. Run at normal speed. Not run. Burn. Run at lower speed. Run at normal speed. Not run. Burn. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque developed in IM is nearly proportional to 1 / V. V2. V. 1 / V2. 1 / V. V2. V. 1 / V2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following methods are used to control the speed of DC motors is All of these supply voltage control armature circuit resistance control field current control All of these supply voltage control armature circuit resistance control field current control ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A crusher is equipped with DC shunt motor. Slip ring induction motor. Synchronous motor. Reluctance motor. DC shunt motor. Slip ring induction motor. Synchronous motor. Reluctance motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Torque developed in the rotor is either of these directly proportional to slip inversely proportional to slip not dependent on the slip either of these directly proportional to slip inversely proportional to slip not dependent on the slip ANSWER DOWNLOAD EXAMIANS APP
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