Electrical Machines Winding conductors of an electrical power transformer are mainly insulated by wooden insulation. paper insulation. rubber insulation. cotton insulation. wooden insulation. paper insulation. rubber insulation. cotton insulation. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is unity lagging leading zero unity lagging leading zero ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If B is flux density, l the length of the conductor and v the velocity of the conductor, then emf is given by Bl2v2. Bl2v. Blv2. Blv. Bl2v2. Bl2v. Blv2. Blv. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Capacitor fitted with ceiling / table fans is of the value of 5 - 10 F. 0.1 µF. 1 - 2 µF. 2 - 3 µF. 5 - 10 F. 0.1 µF. 1 - 2 µF. 2 - 3 µF. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 V DC generator in run at rated speed with no excitation. The open circuit voltage will be zero. very small, say about 2 or 3 V. about 100 V. 250 V. zero. very small, say about 2 or 3 V. about 100 V. 250 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The slip of an induction motor normally does not depend on core loss component. synchronous speed. shaft torque. rotor speed. core loss component. synchronous speed. shaft torque. rotor speed. ANSWER DOWNLOAD EXAMIANS APP