Electrical Machines Which of the following DC generators has rising V-I characteristics? None of them. Series. Compound. Shunt. None of them. Series. Compound. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Skewing of cage rotors offers the following advantages uniform torque. less noise. all of below. locking tendency is reduced. uniform torque. less noise. all of below. locking tendency is reduced. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed depends on voltage load angle both 1and 2 reactance voltage load angle both 1and 2 reactance ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor will deliver maximum power when load angle is 0°. load angle is 45°. input power factor is unity. load angle is equal to internal angle θ. load angle is 0°. load angle is 45°. input power factor is unity. load angle is equal to internal angle θ. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The armature current will reduce. The motor will attain dangerously high speed. The speed of motor will be reduced. DC Shunt Motor The armature current will reduce. The motor will attain dangerously high speed. The speed of motor will be reduced. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of the rotor bars of dc motors are laminated to provide better flux linkage. to reduce mechanical losses. to reduce hysteresis loss. to reduce eddy current loss. to provide better flux linkage. to reduce mechanical losses. to reduce hysteresis loss. to reduce eddy current loss. ANSWER DOWNLOAD EXAMIANS APP