Electrical Machines The rotor power output of 3-phase induction motor is 15 KW. The rotor copper losses at a slip of 4% will be 650 W 625 W 600 W 700 W 650 W 625 W 600 W 700 W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of main field flux distribution is? saddle shape flat tapped or trapezoidal peaky in nature triangular saddle shape flat tapped or trapezoidal peaky in nature triangular ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by the a 230 V DC motor of armature resistance 0.5 Ω and back emf 200 V is 40 60 600 660 40 60 600 660 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following generators negative voltage regulation can occur? both B and C series generators over compound generator shunt generator both B and C series generators over compound generator shunt generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When excitation is increased (over excitation), the synchronous generator operates at leading power factor. any of the above. lagging power factor. unity power factor. leading power factor. any of the above. lagging power factor. unity power factor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for series motors. compound motors. shunt motors. All of these series motors. compound motors. shunt motors. All of these ANSWER DOWNLOAD EXAMIANS APP