Electrical Machines The main purpose of providing tertiary winding in a three phase transformer is to interconnect three voltage systems. None of these to carry extra load. to suppress harmonic and unbalance in voltage. to interconnect three voltage systems. None of these to carry extra load. to suppress harmonic and unbalance in voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux involved in the emf equation of a transformer has average value. rms value. maximum value. total value. average value. rms value. maximum value. total value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following induction motor has maximum speed? 6 pole. 8 pole. 4 pole. 2 pole. 6 pole. 8 pole. 4 pole. 2 pole. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The factors that are responsible for decrease in terminal voltage of a shunt generator are reduction in field current, effect of armature reaction, armature. armature resistance, effect of armature reaction. armature resistance, effect of armature reaction. armature resistance, inter poles, armature. reduction in field current, effect of armature reaction, armature. armature resistance, effect of armature reaction. armature resistance, effect of armature reaction. armature resistance, inter poles, armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC generator is run at full speed without any excitation. The open circuit voltage will be 220 V. about 2 V. zero. about 50 V. 220 V. about 2 V. zero. about 50 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field of a dc shunt motor gets opened while the motor is running, then the armature will oscillate about original speed as the mean speed motor will attain dangerously high speed armature current will drop motor will become slow. armature will oscillate about original speed as the mean speed motor will attain dangerously high speed armature current will drop motor will become slow. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS