Electrical Machines Find the reactance voltage when current is changed from -2A to 2A in 4 sec and self inductance is 1H? 4 V 2 V 1 V 0 V 4 V 2 V 1 V 0 V ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If terminal voltage of one 1000 rpm shunt motor is reduced to half the speed of the motor will be 250 rpm 1000 rpm 500 rpm 2000 rpm 250 rpm 1000 rpm 500 rpm 2000 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A load of 900 lbs is to be raised with a lift car weighting 855 lbs at a speed of 110 feet per minute, the over balance being 40 % and percentage efficiency 45 %. Find the horse power of the motor without counterweight 160. 150. 170. 180. 160. 150. 170. 180. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC generator the actual flux distribution depends upon clearance between tips of the adjacent pole shoes. shape of the pole shoe. all of above. size of air gap. clearance between tips of the adjacent pole shoes. shape of the pole shoe. all of above. size of air gap. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Larger values of air flux density is taken while designing IM for larger output. larger bore diameter. both. none. larger output. larger bore diameter. both. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Maximum power developed in a cylindrical synchronous machine depends on synchronous reactance excitation both 1and 2 load angle synchronous reactance excitation both 1and 2 load angle ANSWER DOWNLOAD EXAMIANS APP
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