Electrical Machines Find the developed torque DC Series Motor having armature resistance of 0.2 Ω and taking armature current of 60 A is connected to 250 V supply. Considered brush drop of 1 V each. 266.20 N-m. cant be determined. 234.76 N-m. 133.22 N-m 266.20 N-m. cant be determined. 234.76 N-m. 133.22 N-m ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The power factor of an induction motor operating at no load will have a value around 0.2 lead 0.2 lag unity 0.9 lag 0.2 lead 0.2 lag unity 0.9 lag ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is N1 : N2. none. N12 : N22. 1 : 1. N1 : N2. none. N12 : N22. 1 : 1. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC compound motor has both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. both shunt and series field winding. only shunt field winding. tertiary winding. only series field winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The output indicate on the name plate of any motor is always the Gross power. Power drawn in KW. Output power at the shaft. Power drawn in KVA. Gross power. Power drawn in KW. Output power at the shaft. Power drawn in KVA. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The reduced air gap results in an increase starting torque. power factor. breaking torque. cost of operation. starting torque. power factor. breaking torque. cost of operation. ANSWER DOWNLOAD EXAMIANS APP
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