Electrical Machines On switching a DC motor to DC supply mains, it is found to rotate in the direction opposite to that for which it is designed. The DC motor is have an equal number of electrons and protons. Series shunt. Cummulative compound. Differentical compound. have an equal number of electrons and protons. Series shunt. Cummulative compound. Differentical compound. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Ideal value of voltage regulation of a device is? ∞ a finite negative value a positive finite value 0 ∞ a finite negative value a positive finite value 0 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Rotor resistance speed control is used in synchronous motor. squirrel cage induction motor. dc shunt motor. slip ring induction motor. synchronous motor. squirrel cage induction motor. dc shunt motor. slip ring induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In dc machines, the field-flux axis and armature-mmf axis are respectively along quadrature axis and interpolar axis direct axis and interpolar axis quadrature axis and direct axis direct axis and indirect axis quadrature axis and interpolar axis direct axis and interpolar axis quadrature axis and direct axis direct axis and indirect axis ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In IM the rotor lamination can be ________________ than stator laminations. thicker. sipper. rotor can not have any laminations. thinner. thicker. sipper. rotor can not have any laminations. thinner. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The DC generator runs at a speed of 1000 rpm and flux per pole is 0.2 Wb, number of poles are 2 the winding is wave wound and having 480 conductors. The critical speed is 1200 rpm. Then the generated emf ( Eg ) 1500 Volt. 2000 Volt. 0 Volt. 1600 Volt. 1500 Volt. 2000 Volt. 0 Volt. 1600 Volt. ANSWER DOWNLOAD EXAMIANS APP
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