Electrical Machines To get the speed of DC motor more than normal without wastage of electrical energy _____________ is used. any of above method. none of above. rheostatic control. Ward Leonard control. any of above method. none of above. rheostatic control. Ward Leonard control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following DC Motor uses 4-point starter? DC compound motor. DC shunt motor with armature resistance. DC series motor. DC shunt motor with field weaking control. DC compound motor. DC shunt motor with armature resistance. DC series motor. DC shunt motor with field weaking control. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The direction of rotation of a DC motor can be determined by Lenz's law. Fleming's left hand rule. Ampere's law. Fleming's right hand rule. Lenz's law. Fleming's left hand rule. Ampere's law. Fleming's right hand rule. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 440 V, 3-phase, 10 pole and 50 HZ synchronous motor delivering a torque of 50 N-m, delivers a power of 1000W 3000W 100W 500W 1000W 3000W 100W 500W ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of following methods are suitable for the speed control of squirrel cage induction motor? 1. Voltage control. 2. Frequency control. 3. Pole changing method. 4. Rotor resistance control select the correct answer using the codes given below:- 2 and 4. 2, 3 and 4. 1, 2 and 3. 1, 3 and 4. 2 and 4. 2, 3 and 4. 1, 2 and 3. 1, 3 and 4. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Cogging and crawling are phenomena associated with cage induction machines and they are essentially the same. the former during starting and the latter at a fraction of its rated speed. the former at a fraction of its rate speed and the latter during starting. any of the above. cage induction machines and they are essentially the same. the former during starting and the latter at a fraction of its rated speed. the former at a fraction of its rate speed and the latter during starting. any of the above. ANSWER DOWNLOAD EXAMIANS APP
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