Electrical Machines Voltage regulation of transformer is given by (E2 - V2) / V2 (E2 - V2) / E2 (V2 - E2) / V2 (V2 - E2) / E2 (E2 - V2) / V2 (E2 - V2) / E2 (V2 - E2) / V2 (V2 - E2) / E2 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will not run. run normally. get over heated. make noise. not run. run normally. get over heated. make noise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in DC generators will result in open circuit. reduction in generated emf. short circuit. increase in slip. open circuit. reduction in generated emf. short circuit. increase in slip. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For small value armature current Ia the torque developed by a DC series motor is proportional to √Ia. 1/Ia. Ia2. Ia. √Ia. 1/Ia. Ia2. Ia. 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? 45 HZ 48.5 Hz 50 Hz 48 Hz 45 HZ 48.5 Hz 50 Hz 48 Hz ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines For very sensitive and wide speed control, the preferable control method is Armature control. Multiple voltage control. Field control. Ward-Leonard control. Armature control. Multiple voltage control. Field control. Ward-Leonard control. ANSWER DOWNLOAD EXAMIANS APP
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