Electrical Machines The armature resistance of the dc motor is generally of the range 100 ohm. 0.5 ohm. 0.1 ohm. 50 ohm. 100 ohm. 0.5 ohm. 0.1 ohm. 50 ohm. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors uses slip rings? Induction motors Synchronous motors DC Shunt Motor Both Synchronous and Induction motor Induction motors Synchronous motors DC Shunt Motor Both Synchronous and Induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous machine, if φ is the flux per pole and f is the frequency of the emf induced E then E ∝ φf E ∝ 1/(φf) E ∝ f/φ E ∝ φ/f E ∝ φf E ∝ 1/(φf) E ∝ f/φ E ∝ φ/f ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct ? Both A and B. Compensating winding will act under the pole. Inter pole winding will act in interpolar region. None of these Both A and B. Compensating winding will act under the pole. Inter pole winding will act in interpolar region. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In field flux method speed control of DC Motor is constant hp drive below the base speed. constant torque drive below the base speed. constant torque drive above the base speed. constant power drive above base speed. constant hp drive below the base speed. constant torque drive below the base speed. constant torque drive above the base speed. constant power drive above base speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Scott connections are used for any of the above. single phase to three phase transformation. three phase to single phase transformation. three phase to two phase transformation. any of the above. single phase to three phase transformation. three phase to single phase transformation. three phase to two phase transformation. ANSWER DOWNLOAD EXAMIANS APP
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