Electrical Machines Two DC generators having equal open-circuit emfs but slight different load characteristics are operating in parallel, then the machine with more drooping characteristic will supply less load. the machine will share load equally. the machine with more drooping characteristic will supply more load. None of these the machine with more drooping characteristic will supply less load. the machine will share load equally. the machine with more drooping characteristic will supply more load. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Resistance commutation is used generally in case of fractional kW DC machines. DC machines above 10 kW. None of these DC machines bellow 5 kW. fractional kW DC machines. DC machines above 10 kW. None of these DC machines bellow 5 kW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the effect of armature reaction ? Armature flux weakens the main field flux. None of the options. Both option B and C. Armature flux distorts the main field flux. Armature flux weakens the main field flux. None of the options. Both option B and C. Armature flux distorts the main field flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output voltage of a DC generator is E = V + Ra. E = V – IaRa. E = V + Ia. E = V + IaRa. E = V + Ra. E = V – IaRa. E = V + Ia. E = V + IaRa. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following statements is/are correct statements? All of these EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in HV winding is less than EMF per turn in LV winding EMF per turn in both the windings are equal All of these EMF per turn in HV winding is more than EMF per turn in LV winding EMF per turn in HV winding is less than EMF per turn in LV winding EMF per turn in both the windings are equal ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In IM the rotor lamination can be ________________ than stator laminations. thicker. thinner. sipper. rotor can not have any laminations. thicker. thinner. sipper. rotor can not have any laminations. ANSWER DOWNLOAD EXAMIANS APP
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