Electrical Machines Commonly used starters of cage motor is star delta. DOL. None of these both A and B. star delta. DOL. None of these both A and B. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltage regulation of a DC generator at full load being zero implies that the generator is series connected. shunt connected. deferentially compounded. cumulatively compounded. series connected. shunt connected. deferentially compounded. cumulatively compounded. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If a DC Series motor is connected across an AC supply it will not run. burn. run at lower speed. run at normal speed. not run. burn. run at lower speed. run at normal speed. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a given torque, reducing diverter resistance of a DC series motor causes decrease in speed demanding less armature current. decrease in speed but armature current remains the same. increase in speed demanding more armature current. increase in speed but armature currnet remains the same. decrease in speed demanding less armature current. decrease in speed but armature current remains the same. increase in speed demanding more armature current. increase in speed but armature currnet remains the same. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field connection of a DC Shunt Motor is changed then motor will not run. it will run in opposite direction. it will run in same direction by slowly. it will run in same direction. motor will not run. it will run in opposite direction. it will run in same direction by slowly. it will run in same direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalanced supply voltage given to a 3 - φ, delta connected induction motor will cause less heating of the rotor. negative sequence current. all of these. less heating of the rotor. less heating of the rotor. negative sequence current. all of these. less heating of the rotor. ANSWER DOWNLOAD EXAMIANS APP