Electrical Machines The principle of dynamically induced emf is utilized in thermocouple. choke. transformer. generator. thermocouple. choke. transformer. generator. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In case of DC Shunt Motor, the speed will____ if the voltage increases, neglecting armature saturation. be unpredictable. increase remain the same. decrease. be unpredictable. increase remain the same. decrease. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A Shunt generator running at 1000 rpm has generated emf of 100 V. If the speed increases to 1200 rpm, the generated emf will be nearly 240 V 140 V 120 V 175 V 240 V 140 V 120 V 175 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A cumulatively compounded dc motor delivers rated load power at rated speed. If the series field is short-circuited, then both armature current Ia and speed ωm increase both decrese Ia increases and ωm decreses Ia remains constant but ωm increase both armature current Ia and speed ωm increase both decrese Ia increases and ωm decreses Ia remains constant but ωm increase ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following starter is sufficient to start the DC series motor ? All of these 2 point starter 4 point starter 3 point starter All of these 2 point starter 4 point starter 3 point starter ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A three phase 400 V, 6 pole, 50 Hz, squirrel cage induction motor is running at a slip of 5%. The speed of stator magnetic field with respect to rotor magnetic field and speed of rotor w.r.t stator magnetic field are zero, 950 rpm. zero , - 50 rpm. 1000 rpm, - 50 rpm. 1000 rpm, 950 rpm. zero, 950 rpm. zero , - 50 rpm. 1000 rpm, - 50 rpm. 1000 rpm, 950 rpm. ANSWER DOWNLOAD EXAMIANS APP
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