Electrical Machines Inter pole winding is connected in-------------------------- ? parallel with armature series with armature series with main poles parallel with main poles parallel with armature series with armature series with main poles parallel with main poles ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Voltage across the open circuited field termninals of a synchorous machine under slip test is A modulated supply frequency AC voltage with slip frequency envelop. DC of slip frequency. AC of supply frequency. DC. A modulated supply frequency AC voltage with slip frequency envelop. DC of slip frequency. AC of supply frequency. DC. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For pure resistive load what is the armature reaction? All of these magnetization demagnetization cross magnetization All of these magnetization demagnetization cross magnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then None of these the machine will share load equally. the machine with more drooping characteristic will supply less load. the machine with more drooping characteristic will supply more load. None of these the machine will share load equally. the machine with more drooping characteristic will supply less load. the machine with more drooping characteristic will supply more load. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the excitation is increased, the power factor is unity power factor None of these lagging power factor leading power factor unity power factor None of these lagging power factor leading power factor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A self-excited shunt generator fails to build up, because 1. the field circuit is open 2. The armature circuit is open 3. the residual magnetism is absent 4. The direction of rotation is wrong From these, the correct answer is 1, 2, 3 and 4 3 only 1, 2 and 3 1, 3 1, 2, 3 and 4 3 only 1, 2 and 3 1, 3 ANSWER DOWNLOAD EXAMIANS APP
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