Electrical Machines Which of the following represents the pitch factor? Cos (α/2) Cos α² Cos α sin (α/2) Cos (α/2) Cos α² Cos α sin (α/2) ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator runs at 750 rpm and generate an emf of 240 V. The armature is wave wound and has 792 conductors. If the total flux from each pole is 0.0145 Wb. What is the leakage co-efficient? 1.2. 1.8. 1.4. 1.5. 1.2. 1.8. 1.4. 1.5. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor is supplying a load at unity power factor. If the load on the motor is increased keeping its excitation and terminal voltage constant, the power factor will remain the same will become leading None of these will become lagging will remain the same will become leading None of these will become lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor electromagnetic power varies None of these directly as applied voltage inversely as applied voltage directly as square of applied voltage None of these directly as applied voltage inversely as applied voltage directly as square of applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines To eliminate 5th harmonic in the induced voltage phase breadth should be 18° 72° 30° 36° 18° 72° 30° 36° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which is the arrangement of windings in a core type single phase transformer? Half lv inside and half hv outside on each core limb Sandwiched lv and hv discs on each core limb Lv on one core limb and hv on the other Half hv inside and half lv outside on each core limb Half lv inside and half hv outside on each core limb Sandwiched lv and hv discs on each core limb Lv on one core limb and hv on the other Half hv inside and half lv outside on each core limb ANSWER DOWNLOAD EXAMIANS APP