Electrical Machines A DC series motor has which of the following characteristics? Has a almost constant speed. Has its field winding consinting of thick wire and less no of turns. Has a poor torque. Can be started easily without load. Has a almost constant speed. Has its field winding consinting of thick wire and less no of turns. Has a poor torque. Can be started easily without load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature resistance of the dc motor is generally of the range 0.5 ohm. 0.1 ohm. 100 ohm. 50 ohm. 0.5 ohm. 0.1 ohm. 100 ohm. 50 ohm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Wave winding is prefered for which of the following rating? low current and low voltage high current and low voltage low current and high voltage high current and high voltage low current and low voltage high current and low voltage low current and high voltage high current and high voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 8. 4. 2. 1. 8. 4. 2. 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along quadrature axis and interpolar axis direct axis and indirect axis direct axis and interpolar axis quadrature axis and direct axis quadrature axis and interpolar axis direct axis and indirect axis direct axis and interpolar axis quadrature axis and direct axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively less and thick large and thick less and thin large and thin less and thick large and thick less and thin large and thin ANSWER DOWNLOAD EXAMIANS APP