Electrical Machines In alternator, the rotary part is core. armature. none of these. magnetic field poles. core. armature. none of these. magnetic field poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two generators operating in parallel with rating 50MW and 100MW respectively. Both their respective governor settings are identical as 4%, consider same no load frequency. How will the machine share a common load of 100 MW 33.33 MW and 66.67 MW respectively any of the above 50 MW and 50 MW respectively 66.67 MW and 33.33 MW respectively 33.33 MW and 66.67 MW respectively any of the above 50 MW and 50 MW respectively 66.67 MW and 33.33 MW respectively ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines An auto transformer having a transformation ratio of 0.8 supplies a load pf 10 KW. The power transfered inductively from the primary to secondary is 2 KW. 0. 8 KW. 10 KW. 2 KW. 0. 8 KW. 10 KW. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking is employed to brake non reversing drive reversing drive None of these both 1 and 2 non reversing drive reversing drive None of these both 1 and 2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 500 V, 55 kVA single phase alternator has an effective resistance of 0.5 Ω. An excitation current of 10 A produces 200 A armature current on short circuit and an emf of 450 V on per circuit. The synchronous reactance will be 2.74 Ω. 25.564 Ω. 2.781 Ω. 2.241 Ω. 2.74 Ω. 25.564 Ω. 2.781 Ω. 2.241 Ω. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of 3 - Φ IM, plugging means starting the motor on load which is more than the rated load. locking of rotor due to harmonics. pulling the motor directly on line without a rotor. interchanging two supply phases for quick stopping. starting the motor on load which is more than the rated load. locking of rotor due to harmonics. pulling the motor directly on line without a rotor. interchanging two supply phases for quick stopping. ANSWER DOWNLOAD EXAMIANS APP
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