Electrical Machines The shaft of induction motor should be flexible. hollow. any of these. stiff. flexible. hollow. any of these. stiff. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is/are not a self starting motor? 1-phase induction motor 3-phase induction motor both 1 and 2 None of these 1-phase induction motor 3-phase induction motor both 1 and 2 None of these ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines With the increase in speed of DC motor Back emf falls and line current increase. Both back emf as well as line current increase. Back emf increase but line current falls. Both back emf as well as line current fall. Back emf falls and line current increase. Both back emf as well as line current increase. Back emf increase but line current falls. Both back emf as well as line current fall. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer OC test is conducted on HV side and SC test is conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side both OC and SC tests are conducted on LV side both Oc and SC tests are conducted on HV side OC test is conducted on HV side and SC test is conducted on LV side OC test is conducted on LV side and SC test is conducted on HV side both OC and SC tests are conducted on LV side both Oc and SC tests are conducted on HV side ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The use of double squirrel cage winding on the rotor provides higher efficiency. low noise. a large starting torque. reduced starting torque. higher efficiency. low noise. a large starting torque. reduced starting torque. 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