Electrical Machines In a transformer zero voltage regulation is achieved at a load power factor which is lagging unity zero leading lagging unity zero leading ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Belt conveyors offer _______________ starting torque. low. medium. zero. high. low. medium. zero. high. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Slot wedges in a dc machine is made up of mild steel. fibre. cast iron. silicon steel. mild steel. fibre. cast iron. silicon steel. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under operating conditions the rotor conductor should be _________________ in induction motor. none. always closed. always opened. semi closed or semi opened. none. always closed. always opened. semi closed or semi opened. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For power factor improvement the synchronous motor is to be heavily loaded and underexcited lightly loaded and over excited heavily loaded and over excited lightly loaded and underecited heavily loaded and underexcited lightly loaded and over excited heavily loaded and over excited lightly loaded and underecited ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What is the mechanical power developed by a DC series motor is maximum? Back emf is equal to applied voltage. Back emf is equal to half the applied voltage. Back emf is equal to zero. None of above. Back emf is equal to applied voltage. Back emf is equal to half the applied voltage. Back emf is equal to zero. None of above. ANSWER DOWNLOAD EXAMIANS APP
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