Electrical Machines A DC generator can be considered as power pump. rotating amplifier. prime mover. rectifier. power pump. rotating amplifier. prime mover. rectifier. 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 Which type of motors uses slip rings? Both Synchronous and Induction motor Induction motors DC Shunt Motor Synchronous motors Both Synchronous and Induction motor Induction motors DC Shunt Motor Synchronous motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ward Leonard control provides speed control in both direction. below rated speed. above rated speed. in one direction only. in both direction. below rated speed. above rated speed. in one direction only. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor operates in stable region at which of the following slip? unity slip low slip region both 1 and 2 high slip region unity slip low slip region both 1 and 2 high slip region ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has negative speed regulation? Cumulative compound motors Differential compound motor Series motor Shunt motor Cumulative compound motors Differential compound motor Series motor Shunt motor ANSWER DOWNLOAD EXAMIANS APP