Electrical Machines In a DC generator the actual flux distribution depends upon all of above. clearance between tips of the adjacent pole shoes. shape of the pole shoe. size of air gap. all of above. clearance between tips of the adjacent pole shoes. shape of the pole shoe. size of air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The rotor slots are slightly skewed in squirrel cage induction motor to provide ease of fabrication. increase the strength of rotor bars. decrease the amount of copper to be used. reduce the magnetic hum and locking tendency of rotor. provide ease of fabrication. increase the strength of rotor bars. decrease the amount of copper to be used. reduce the magnetic hum and locking tendency of rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a lap winding dc machine number of conductors are 100 and number of parallel paths are 10. Find the average pitch 1 100 10 50 1 100 10 50 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following motor has negative speed regulation? Differential compound motor Cumulative compound motors Series motor Shunt motor Differential compound motor Cumulative compound motors Series motor Shunt motor 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 None of these star. delta. delta or star according to need. None of these star. delta. delta or star according to need. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Two synchronous generators operating in parallel 200 MW and 400 MW respectively. The drooping characteristics of their governors are identical as 4% from no load to full load. Consider the governors operating at 50Hz on no load. What is the operating frequency, if the load is 600 MW? 50 Hz 48.5 Hz 48 Hz 45 HZ 50 Hz 48.5 Hz 48 Hz 45 HZ ANSWER DOWNLOAD EXAMIANS APP