Electrical Machines In alternator, the rotary part is magnetic field poles. none of these. core. armature. magnetic field poles. none of these. core. armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators G1 and G2 are to be operated in parallel to deliver a total current of 60 A. Generator one has a terminal voltage of 280 V on no load and 240 V when supplying 40 A current. Similarly the second generator has a voltage of 300 V when on no load and 240 V when supplying of 50 A of current. The output voltage of each generator will be 256.4 V. 238.2 V. 240 V. 271.7 V. 256.4 V. 238.2 V. 240 V. 271.7 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively less and thin large and thin less and thick large and thick less and thin large and thin less and thick large and thick ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In induction motor wound rotor motor is mainly is used in application where low starting torque. less costly motor is not required. high starting torque. power factor is less. low starting torque. less costly motor is not required. high starting torque. power factor is less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A lap wound DC machine has 400 conductors and 8 poles. The voltage induced per conductor is 2 volts. The machine generates a voltage of 200 V. 100 V. 400 V. 800 V. 200 V. 100 V. 400 V. 800 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4-pole DC generator runs at 1500 rpm. The frequency of current in the armature winding is: Zero Hz. 50 Hz. 25 Hz. 100 Hz. Zero Hz. 50 Hz. 25 Hz. 100 Hz. ANSWER DOWNLOAD EXAMIANS APP