Electrical Machines An ideal DC generated is one that has _____________ voltage regulation. low. negative. zero. positive. low. negative. zero. positive. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The brushes of a DC machine should be placed on the armature in the polar axis. armature midway between poles. commutator in the inter polar axis. commutator in the polar axis. armature in the polar axis. armature midway between poles. commutator in the inter polar axis. commutator in the polar axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator, inverted V curve is drawn between field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis field current on X-axis and armature current on Y-axis field current on X-axis and power factor on Y-axis field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction effect is more in which of the following methods? armature resistance control None of these same in both methods field weakening method armature resistance control None of these same in both methods field weakening method ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A compound motor has only shunt field winding. both shunt and series field winding. only series field winding. tertiary winding. only shunt field winding. both shunt and series field winding. only series field winding. tertiary winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If Pi and Pc represent core and full load copper loss respectively, the maximum KVA delivered to load corresponding to maximum efficiency is equal to rated KVA is (Pi/Pc)2 Pi/Pc Pc/Pi √(Pi/Pc) (Pi/Pc)2 Pi/Pc Pc/Pi √(Pi/Pc) ANSWER DOWNLOAD EXAMIANS APP
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