Electrical Machines Maximum power developed depends on voltage load angle reactance both 1and 2 voltage load angle reactance both 1and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 5 KVA transformer has a turns ratio of N1/N2 = 10. The impedance of primary winding is 3+j5 ohms while that of secondary winding is 0.5+j0.8 ohms. The impedance of transformer when referred to primary will be 3.05+j5.08 ohms 8+j13 ohms 3.5+j5.8 ohms 53+j85 ohms 3.05+j5.08 ohms 8+j13 ohms 3.5+j5.8 ohms 53+j85 ohms ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The oscillation in a synchronous motor can be damped out by oscillation cannot be damped. running the motor on leading power factors. maintaining constant excitation. providing damper bars in the rotor pole faces. oscillation cannot be damped. running the motor on leading power factors. maintaining constant excitation. providing damper bars in the rotor pole faces. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Magnetic field of a DC generator is produced by what? Both B and C. Electromagnets. Permanent magnets. None of the options. Both B and C. Electromagnets. Permanent magnets. None of the options. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Tertiary winding in a transformer is mostly zig - zag delta connected. delta connected. zig - zag star connected. star connected. zig - zag delta connected. delta connected. zig - zag star connected. star connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure inductive load pure resistive load pure capacitive load None of these pure inductive load pure resistive load pure capacitive load None of these ANSWER DOWNLOAD EXAMIANS APP