Electrical Machines The emf induced in the dc generator armature winding is None of these DC AC and DC AC None of these DC AC and DC AC ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The current drawn by a 220 V DC series motor of armature resistance 0.5Ω and back back emf 200 V is 440 A. 400 A. 40 A. 44 A. 440 A. 400 A. 40 A. 44 A. 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. interchanging two supply phases for quick stopping. pulling the motor directly on line without a rotor. locking of rotor due to harmonics. starting the motor on load which is more than the rated load. interchanging two supply phases for quick stopping. pulling the motor directly on line without a rotor. locking of rotor due to harmonics. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Shunt Motor having shunt field resistance of 250 Ω and armature resistance of 0.5 Ω is connected to 250 V supply and load current of 21 A. What is the back emf generated ? 210 V 240 V. 230 V. 150 V. 210 V 240 V. 230 V. 150 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For which of the following loads, armature reaction is magnetizing in nature? pure capacitive load None of these pure inductive load pure resistive load pure capacitive load None of these pure inductive load pure resistive load ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production static induced emf. None of these dynamically induced emf. both A and B. static induced emf. None of these dynamically induced emf. both A and B. ANSWER DOWNLOAD EXAMIANS APP
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