Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 1. 0.3. 0.7. 0.54. 1. 0.3. 0.7. 0.54. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase 400 V, 6 pole, 50 Hz, squirrel cage induction motor is running at a slip of 5%. The speed of stator magnetic field with respect to rotor magnetic field and speed of rotor w.r.t stator magnetic field are 1000 rpm, - 50 rpm. zero, 950 rpm. 1000 rpm, 950 rpm. zero , - 50 rpm. 1000 rpm, - 50 rpm. zero, 950 rpm. 1000 rpm, 950 rpm. zero , - 50 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Methods of synchronizing of alternator may be done by one dark two bright. all dark lamp method. all of these. all bright lamp method. one dark two bright. all dark lamp method. all of these. all bright lamp method. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in a DC machine is in the same direction as the main poles. makes an angle with the main pole axis which is load dependent. makes an angle of 90° with the main pole axis. is in direct opposition to the main poles. is in the same direction as the main poles. makes an angle with the main pole axis which is load dependent. makes an angle of 90° with the main pole axis. is in direct opposition to the main poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to suppress the hunting. decrease the load current. both 1 and 2. increase the load current. suppress the hunting. decrease the load current. both 1 and 2. increase the load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When flux density is constant in a transformer, hysteresis loss varies as f² V V² f f² V V² f ANSWER DOWNLOAD EXAMIANS APP
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