Electrical Machines Larger values of air flux density is taken while designing IM for larger bore diameter. larger output. none. both. larger bore diameter. larger output. none. both. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole DC generator rotates at 1500 rpm. How many times in a second, will the emf induced in each armature conductor changes its direction? 750. 100. 500. 200. 750. 100. 500. 200. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eddy current loss will depends on Flux density All of these Frequency Thickness Flux density All of these Frequency Thickness ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The stator core of a 3 - Φ induction motor is laminated in order to reduce the weight of the stator. hysteresis loss. both of the above. eddy current loss. weight of the stator. hysteresis loss. both of the above. eddy current loss. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, maximum power occurs at a load angle of 90° 0° less than 90° Greater than 90° 90° 0° less than 90° Greater than 90° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a transformer maximum flux density is not constant, the eddy current loss varies as f² V f V² f² V f V² ANSWER DOWNLOAD EXAMIANS APP