Electrical Machines In a resistance split phase motor, what is the range of torque angle? 90° 25° to 30° 0° 70° to 85° 90° 25° to 30° 0° 70° to 85° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If input of a transformer is square wave the output will be square wave. sine wave. triangular wave. pulsed wave. square wave. sine wave. triangular wave. pulsed wave. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Consider the following statements : Interpoles in dc machines 1. reducearmature reaction effects in the interpolar region 2. have the same dimension as main polls 3. have their windings connected in series with the armature 4. have same number of turns as the armature 5. have the polarity same as that of the main pole ahead in a motor From these, the correct statements are 1, 2, 3 and 5 1 and 3 1, 2 and 3 1, 3 and 5 1, 2, 3 and 5 1 and 3 1, 2 and 3 1, 3 and 5 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on color of the paint. temperature difference. air velocity. surface area. color of the paint. temperature difference. air velocity. surface area. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of squirrel cage induction motor is both A and B low at rated load only low at light loads only low at heavy loads only both A and B low at rated load only low at light loads only low at heavy loads only ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of a compensated DC series motor, the compensating winding is provided In parallel with the field winding. In series with the armature winding. In parallel with the armature winding. As a separate unit. In parallel with the field winding. In series with the armature winding. In parallel with the armature winding. As a separate unit. ANSWER DOWNLOAD EXAMIANS APP
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