Electrical Machines The starting resistance of DC motor is generally around 500 ohms. Infinitely large. 1000 ohms. Low. around 500 ohms. Infinitely large. 1000 ohms. Low. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The speed of motor will be reduced. DC Shunt Motor The armature current will reduce. The motor will attain dangerously high speed. The speed of motor will be reduced. DC Shunt Motor The armature current will reduce. The motor will attain dangerously high speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following load normally needs starting torque more than rated torque? Air compressors. Centrifugal pumps. Blowers. Conveyers. Air compressors. Centrifugal pumps. Blowers. Conveyers. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In an auto transformer, for what value of turn ratio, power transferred by inductively and conductively are same? any of the above 0.5 0 1 any of the above 0.5 0 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC machine shape of armature MMF wave is? Triangular and directed towards main pole. Triangular and directed towards brush axis. Saddle shape. Peaky in nature. Triangular and directed towards main pole. Triangular and directed towards brush axis. Saddle shape. Peaky in nature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In most condition which frame of motor will be preferred? Totally enclosed fan coiled. Drip proof. Open type. Splash proof. Totally enclosed fan coiled. Drip proof. Open type. Splash proof. ANSWER DOWNLOAD EXAMIANS APP
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