Electrical Machines In a DC compound motor the field regulator is provided to control the field flux. control the armature flux. demagnetize the field partially. limit the armature current. control the field flux. control the armature flux. demagnetize the field partially. limit the armature current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following rotor requires damper winding? Both type rotor. None of these Salient pole rotor. Cylindrical rotor. Both type rotor. None of these Salient pole rotor. Cylindrical rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, lap winding is used in high current and low voltage applications. where constant speed is required. where greater load is connected. high voltage and low current applications. high current and low voltage applications. where constant speed is required. where greater load is connected. high voltage and low current applications. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In speed control of DC shunt motor by varying field flux, what may be the value of field regulator? 0.2 ohm 2 ohm. 100 ohm 10 ohm 0.2 ohm 2 ohm. 100 ohm 10 ohm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC motor with armature resistance of 0.5 ohms connected directly to a 220 Volt supply. If the armature is stationary then the current flowing through the armature is 570 A. 250 A. 340 A. 440 A. 570 A. 250 A. 340 A. 440 A. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines stepped cores are used in transformers in order to reduce reluctance of core. volume of iron. iron loss. volume of copper. reluctance of core. volume of iron. iron loss. volume of copper. ANSWER DOWNLOAD EXAMIANS APP
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