Electrical Machines Armature reaction depends on which of the following? power factor of load None of these both 1 and 2 magnitude of load current power factor of load None of these both 1 and 2 magnitude of load current ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor winding for a 3-phase slip-ring induction motor having delta-connected stator must be connected in delta or star according to need. star. delta. None of these delta or star according to need. star. delta. None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature coil is short circuited by brushes when it lies along field axis. along neutral axis. in any of above positions. in none of above positions. along field axis. along neutral axis. in any of above positions. in none of above positions. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 220 V DC machine has an armature resistance 1 Ω. If the full load current is 20 A, the difference of induced voltage between generator and motor is 0 V. 40 V. 60 V. 20 V. 0 V. 40 V. 60 V. 20 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following components of a DC generator plays vital role for providing direct electric current of a DC generator? Commutator. Equalizer rings. Dummy coils. Eye bolt. Commutator. Equalizer rings. Dummy coils. Eye bolt. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines What type of dielectric material is used in capacitors used for fans and for power factor correction? Glass. Mica. Vacuum. Oil impregnated paper. Glass. Mica. Vacuum. Oil impregnated paper. ANSWER DOWNLOAD EXAMIANS APP
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