Electrical Machines Commutator pitches of duplex and simplex lap windings are respectively 2 and 2 2 and 1 4 and 2 4 ang 1 2 and 2 2 and 1 4 and 2 4 ang 1 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The heat transfer by convection in a transformer least depends on air velocity. temperature difference. color of the paint. surface area. air velocity. temperature difference. color of the paint. surface area. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor uses 4-point starter? DC compound motor. DC shunt motor with field weaking control. DC shunt motor with armature resistance. DC series motor. DC compound motor. DC shunt motor with field weaking control. DC shunt motor with armature resistance. DC series motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Shunt field of DC generators consists of--------number of turns and ---------- conductors respectively large and thick less and thin large and thin less and thick large and thick less and thin large and thin less and thick ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mmf produced by rotor currents of a 3 - Φ induction motor is at standstill with respect to stator mmf. rotates at synchronous speed with respect to rotor. rotates at the speed of rotor in the air gap. rotates at slip speed with respect to stator mmf. is at standstill with respect to stator mmf. rotates at synchronous speed with respect to rotor. rotates at the speed of rotor in the air gap. rotates at slip speed with respect to stator mmf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in dc motor results increase in speed. decrease in speed. open circuit. short circuit. increase in speed. decrease in speed. open circuit. short circuit. ANSWER DOWNLOAD EXAMIANS APP
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