Electrical Machines In which of the following generators negative voltage regulation can occur? both B and C series generators over compound generator shunt generator both B and C series generators over compound generator shunt generator ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator, inverted V curve is drawn between field current on Y-axis and armature current on X-axis field current on Y-axis and power factor on X-axis field current on X-axis and power factor on Y-axis field current on X-axis and armature current on Y-axis field current on Y-axis and armature current on X-axis field current on Y-axis and power factor on X-axis field current on X-axis and power factor on Y-axis field current on X-axis and armature current on Y-axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Shunt Motor having shunt field resistance of 250 Ω and armature resistance of 0.5 Ω is connected to 250 V supply and load current of 21 A. What is the back emf generated ? 240 V. 230 V. 210 V 150 V. 240 V. 230 V. 210 V 150 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are the starters used for starting of cage motors? DOL starter. Star-delta starter. Auto transformer starter. All of these. DOL starter. Star-delta starter. Auto transformer starter. All of these. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The condition for maximum running torque is R = S.X unity 0.707 lagging zero 0.5 lagging R = S.X unity 0.707 lagging zero 0.5 lagging ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In IM the rotor lamination can be ________________ than stator laminations. thicker. sipper. thinner. rotor can not have any laminations. thicker. sipper. thinner. rotor can not have any laminations. ANSWER DOWNLOAD EXAMIANS APP
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