Electrical Machines Which of following DC generator will be in a position to build up without any residual magnetism in the field? Compound. Series. Separately excited. Shunt. Compound. Series. Separately excited. Shunt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of conductor of a DC motor can be determined by Fleming's right hand rule. Ampere law. Fleming's left hand rule. Lenz's law. Fleming's right hand rule. Ampere law. Fleming's left hand rule. Lenz's law. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation of the synchronous generator fails, it acts as a/an synchronous generator. synchronous motor. induction generator. induction motor. synchronous generator. synchronous motor. induction generator. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In Ward-Leonard method of speed control, the direction of rotation of motor is reversed usually reversing the connection of the motor field terminal. generator field terminal. generator armature terminal. motor armature terminal. motor field terminal. generator field terminal. generator armature terminal. motor armature terminal. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous motor the torque is proportional to P² 1/P² 1/P Power P P² 1/P² 1/P Power P ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The ventilating ducts in most of DC machine are radial as well as longitudinal. longitudinal. radial. none of these. radial as well as longitudinal. longitudinal. radial. none of these. ANSWER DOWNLOAD EXAMIANS APP
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