Electrical Machines Equalizer rings are used in which of the followings? both 1 and 2 wave winding lap winding None of these both 1 and 2 wave winding lap winding None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 12 pole, 600 V, 50 Hz star connected IM has rotor resistance and stand still resistance of 0.03 Ω and 0.5 Ω respectively. The speed of maximum torque will be 240 rpm. 470 rpm. 450 rpm. 540 rpm. 240 rpm. 470 rpm. 450 rpm. 540 rpm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 6 1 4 2 6 1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is employed in DC machine of high current and low voltage rating. low current and high voltage rating. low current and low voltage rating. high current and low voltage rating. high current and low voltage rating. low current and high voltage rating. low current and low voltage rating. high current and low voltage rating. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has a rotor resistance of 0.002 Ω / phase. If the resistance is increased to 0.004 Ω / phase then the maximum torque will remain unaltered increase by 200% reduced to half increase by 100% remain unaltered increase by 200% reduced to half increase by 100% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The speed of a DC series motor is Proportional to the square of the armature current. Inversely proportional to the armature current. Proportional to the armature current. Proportional to field current. Proportional to the square of the armature current. Inversely proportional to the armature current. Proportional to the armature current. Proportional to field current. ANSWER DOWNLOAD EXAMIANS APP