Electrical Machines Which of the following is/are the methods to reduce the armature reaction and its effects? pole chamfering All of these pole stacking compensating winding pole chamfering All of these pole stacking compensating winding ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between stator and the rotor of the 3 - φ induction motor is kept as wide as possible. depends on the material of stator and the rotor. air gap does not matter. as small as possible. as wide as possible. depends on the material of stator and the rotor. air gap does not matter. as small as possible. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A differentially compound motor under high-over-load conditions will behave like a / an shunt motor. cummulative compound motor. AC synchronous motor. series motor. shunt motor. cummulative compound motor. AC synchronous motor. series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Damper winding is used to both 1 and 2. decrease the load current. suppress the hunting. increase the load current. both 1 and 2. decrease the load current. suppress the hunting. increase the load current. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For a DC Shunt Motor having armature resistance of 0.5 Ω and 2A armature current at no-load, when the armature current is changed to 20A at loaded condition the speed is 1000 r.p.m. What is the speed at no-load? 963.8 r.p.m. 4575.4 r.p.m. 1130 r.p.m. 1037.5 r.p.m. 963.8 r.p.m. 4575.4 r.p.m. 1130 r.p.m. 1037.5 r.p.m. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In synchronous generator, inverted V curve is drawn between field current on Y-axis and armature current on X-axis field current on X-axis and power factor on Y-axis field current on X-axis and armature current on Y-axis field current on Y-axis and power factor on X-axis field current on Y-axis and armature current on X-axis field current on X-axis and power factor on Y-axis field current on X-axis and armature current on Y-axis field current on Y-axis and power factor on X-axis ANSWER DOWNLOAD EXAMIANS APP
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