Electrical Machines No load test of 3-phase induction motor gives which of the following? None of these variable loss constant loss both A and B None of these variable loss constant loss both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Peaky in nature. Saddle shape. Triangular and directed towards main pole. Triangular and directed towards brush axis. Peaky in nature. Saddle shape. Triangular and directed towards main pole. Triangular and directed towards brush axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the space distribution of air-gap flux density wave at no load is co- sinusoidal rectangular sinusoidal flat-topped co- sinusoidal rectangular sinusoidal flat-topped ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/Vt ratio of a DC motor is an indication of speed regulation. starting torque. efficiency. running torque. speed regulation. starting torque. efficiency. running torque. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output voltage of a DC generator is E = V + Ra. E = V + IaRa. E = V + Ia. E = V – IaRa. E = V + Ra. E = V + IaRa. E = V + Ia. E = V – IaRa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC generator can be considered as rectifier. rotating amplifier. prime mover. power pump. rectifier. rotating amplifier. prime mover. power pump. ANSWER DOWNLOAD EXAMIANS APP