Electrical Machines When the rotor of a 3 phase induction motor is blocked then the slip is 0.7. 0.3. 1. 0.54. 0.7. 0.3. 1. 0.54. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltage regulation of a DC generator at full load being zero implies that the generator is cumulatively compounded. series connected. shunt connected. deferentially compounded. cumulatively compounded. series connected. shunt connected. deferentially compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: 25 Hz. 100 Hz. 50 Hz. Zero Hz. 25 Hz. 100 Hz. 50 Hz. Zero Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC compound motor the field regulator is provided to demagnetize the field partially. control the field flux. control the armature flux. limit the armature current. demagnetize the field partially. control the field flux. control the armature flux. limit the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What will be the e.m.f. generated by a 4 pole lap connected DC Generator rotating at 1500 r.p.m.? Its flux per pole is 0.4 mWb and total no of armature conductors is 1000. 40 volts. 10 volts. 20 volts. 30 volts. 40 volts. 10 volts. 20 volts. 30 volts. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An ideal DC generated is one that has _____________ voltage regulation. low. negative. positive. zero. low. negative. positive. zero. ANSWER DOWNLOAD EXAMIANS APP