Electrical Machines Iron losses in a DC machine are independent of variation in speed. voltage. load. speed and voltage. speed. voltage. load. speed and voltage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Triangular and directed towards brush axis. Saddle shape. Triangular and directed towards main pole. Peaky in nature. Triangular and directed towards brush axis. Saddle shape. Triangular and directed towards main pole. Peaky in nature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3 - Φ, 6 pole, 50 Hz IM has a rotor speed of 987 rpm find rotor frequency? 0.65 Hz. 60 Hz. 0.70 Hz. 0.75 Hz. 0.65 Hz. 60 Hz. 0.70 Hz. 0.75 Hz. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, the reluctance power varies as sinδ cos2δ sin2δ cosδ sinδ cos2δ sin2δ cosδ ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the reason for stationary armature essential in alternators above 5 KVA? Insulation requirement is less. All of these Collecting of large current is simple. Operating cost is less. Insulation requirement is less. All of these Collecting of large current is simple. Operating cost is less. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An induction motor has synchronous speed of 1500 rpm. What will be the slip when it is running at a speed of 1450 rpm? -3.33% +3.33% +3% -3% -3.33% +3.33% +3% -3% ANSWER DOWNLOAD EXAMIANS APP
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