Electrical Machines Hopkinss test in DC motor is conducted at ? No load. Full load. None of these. Low load. No load. Full load. None of these. Low load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is critical, the power factor of the alternator is unity power factor. leading power factor. lagging power factor. None of these unity power factor. leading power factor. lagging power factor. None of these 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. 400 V. 800 V. 100 V. 200 V. 400 V. 800 V. 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If in DC Shunt Motor the flux is reduced suddenly to zero, then the armature current will reduce. the speed of motor will be reduced. the motor will come to stop. the motor will attain dangerously high speed. the armature current will reduce. the speed of motor will be reduced. the motor will come to stop. the motor will attain dangerously high speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in None of these shunt motors either of these series motors None of these shunt motors either of these series motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will not run. get over heated. make noise. run normally. not run. get over heated. make noise. run normally. ANSWER DOWNLOAD EXAMIANS APP