Electrical Machines When a transformer is loaded, the secondary terminal voltage drops. That means power factor is lagging. leading. zero. unity. lagging. leading. zero. unity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A motor operates in stable region at which of the following slip? high slip region low slip region unity slip both 1 and 2 high slip region low slip region unity slip both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? 1-phase induction motor None of these both 1 and 2 3-phase induction motor 1-phase induction motor None of these both 1 and 2 3-phase induction motor ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What are slot wedges in a DC machine made of? Silicon steel. Cast iron. Mild steel. Fibre. Silicon steel. Cast iron. Mild steel. Fibre. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively large and thick large and thin less and thin less and thick large and thick large and thin less and thin less and thick ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In the 3-phase induction motor, the resultant flux is of a constant nature and is 3 times maximum value of flux due to any phase equal to φm, where φm is the maximum flux due to any phase 1/2 times maximum value of flux due to any phase 3/2 times maximum value of flux due to any phase 3 times maximum value of flux due to any phase equal to φm, where φm is the maximum flux due to any phase 1/2 times maximum value of flux due to any phase 3/2 times maximum value of flux due to any phase ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS