Electrical Machines In a synchronous motor torque or load angle δ ------------- with increase in load decreases None of these increases remains unaffected decreases None of these increases remains unaffected ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines From no load to full load the slip will slightly increase. slightly decrease. None of these not change. slightly increase. slightly decrease. None of these not change. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When pure inductive load is connected to the alternator, what is the effect of armature reaction? Cross magnetization Magnetization None of these Demagnetization Cross magnetization Magnetization None of these Demagnetization ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If dimension of all the parts of a synchorous generator and the number of field and armature turns are double, then generated voltage will change by a factor of 4. 2. 1. 8. 4. 2. 1. 8. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Under which of the following conditions is a dc motor provided with compensating winding used ? 1. Wide range of speed control above normal 2. Wide range of steady load variation with no speed control 3.Wide range of rapid variation in load Select the correct answer using the codes given below : Codes : 2 and 3 1, 2 and 3 1 and 2 1 and 3 2 and 3 1, 2 and 3 1 and 2 1 and 3 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Belt conveyors offer _______________ starting torque. zero. medium. low. high. zero. medium. low. high. ANSWER DOWNLOAD EXAMIANS APP