Electrical Machines Ward-Leonard control is basically a ___________ control method. Field diverter control. Armature voltage control. Field control. Armature resistance control. Field diverter control. Armature voltage control. Field control. Armature resistance control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A synchronous motor is supplying a load at unity power factor. If the load on the motor is increased keeping its excitation and terminal voltage constant, the power factor will remain the same will become lagging None of these will become leading will remain the same will become lagging None of these will become leading ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC Shunt Motor if the load current increases then field flux increases. decreases decreases. remains constant. increases. decreases decreases. remains constant. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the armature electric current is increased to double its previous value, and the time of commutation is halved, how will the reactance voltage vary? It will be halved. It will becomes four times. It will remain the same. It will be doubled. It will be halved. It will becomes four times. It will remain the same. It will be doubled. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for compound motors. All of these series motors. shunt motors. compound motors. All of these series motors. shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The flux is maximum in the following part of a DC motor: under trailing pole tip. under leading pole tip. pole core. under the interpole. under trailing pole tip. under leading pole tip. pole core. under the interpole. ANSWER DOWNLOAD EXAMIANS APP
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