Electrical Machines In a 6 pole DC machine, 90 mechanical degrees correspond to which of the following electrical degree? 180. 270. 45. 30. 180. 270. 45. 30. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Regenerative braking is possible in DC compound motor. DC shunt motor with field weakening control. DC shunt motor with armature resistance control. DC series motor. DC compound motor. DC shunt motor with field weakening control. DC shunt motor with armature resistance control. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a necessary condition to be satisfied for synchronising an incoming alternator to an already operating alternator? same prime mover speed same phase sequence same frequency same voltage magnitude same prime mover speed same phase sequence same frequency same voltage magnitude ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Compensating winding is placed in the armature core All of these main field pole shoe armature core All of these main field pole shoe ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which type of motors are preferred in lifts? None of these DC series motors. DC shunt motors. DC compound motors. None of these DC series motors. DC shunt motors. DC compound motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of connection is made in between the inter-pole and the field winding? Parallel. None of the options. Series. Compound. Parallel. None of the options. Series. Compound. ANSWER DOWNLOAD EXAMIANS APP