Electrical Machines Which of the following rotor requires damper winding? Cylindrical rotor. Both type rotor. Salient pole rotor. None of these Cylindrical rotor. Both type rotor. Salient pole rotor. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine is invariably provided with forced ventilation? Hermetically sealed motor of refrigerator. Fractional horse power high speed motor. Fractional horse power slow speed motor. 50 MW generator in a power plant. Hermetically sealed motor of refrigerator. Fractional horse power high speed motor. Fractional horse power slow speed motor. 50 MW generator in a power plant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.7. 1. 0.3. 0.54. 0.7. 1. 0.3. 0.54. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor the torque is proportional to 1/P² Power P P² 1/P 1/P² Power P P² 1/P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt motor runs at a no-load speed of 1140 rpm. At full load, armature reaction weakens the main flux by 5% whereas the armature circuit voltage drops by 10%. The motor full-load speed in rpm is 1080 1203 1000 1200 1080 1203 1000 1200 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines _____________ types of induction motor are widely used. Slip ring IM. Squirrel cage IM. Single phase IM. Three phase IM. Slip ring IM. Squirrel cage IM. Single phase IM. Three phase IM. ANSWER DOWNLOAD EXAMIANS APP
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