Electrical Machines If direct axis reactance Xd and quadrature axis reactance Xq are equal, then reluctance power is zero minimum All of these maximum zero minimum All of these maximum ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The synchronous speed of an induction motor will be increased by speed can not be increased. increasing of frequency. decreasing of frequency. increasing number of poles. speed can not be increased. increasing of frequency. decreasing of frequency. increasing number of poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generators, the residual magnetism is of the order of 10 %. 2.5 %. 20 %. 15 %. 10 %. 2.5 %. 20 %. 15 %. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is possible in DC shunt motor with field weakening control. DC shunt motor with armature resistance control. DC series motor. DC compound motor. DC shunt motor with field weakening control. DC shunt motor with armature resistance control. DC series motor. DC compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dummy coils are used for reducing armature reaction. mechanical balancing. All of these increasing efficiency. reducing armature reaction. mechanical balancing. All of these increasing efficiency. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle? 20° 30° 60° 18° 20° 30° 60° 18° ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS