Electrical Machines The armature resistance of the dc motor is generally of the range 0.1 ohm. 50 ohm. 100 ohm. 0.5 ohm. 0.1 ohm. 50 ohm. 100 ohm. 0.5 ohm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The squirrel cage induction motors are provided with blades in order to facilitate cooling of rotor. eliminate noise. none of these. balance the rotor dynamically. facilitate cooling of rotor. eliminate noise. none of these. balance the rotor dynamically. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, the electricity produced in armature is None of these AC. DC. armature is not present in DC generator. None of these AC. DC. armature is not present in DC generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Field divertor method of speed control of a DC series motor gives speed above rated one due to reduction of Field current. Armature current. None of above. Line current. Field current. Armature current. None of above. Line current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will worsen and terminal voltage will fall improve but terminal voltage will fall. improve and terminal voltage will rise . worsen and terminal voltage will rise. worsen and terminal voltage will fall improve but terminal voltage will fall. improve and terminal voltage will rise . worsen and terminal voltage will rise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is minimized by laminating the core of a transformer? Eddy current loss. Copper loss. Stray loss. Hysteresis loss. Eddy current loss. Copper loss. Stray loss. Hysteresis loss. ANSWER DOWNLOAD EXAMIANS APP
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