Electrical Machines In alternator, the rotary part is core. magnetic field poles. none of these. armature. core. magnetic field poles. none of these. armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eddy current loss will depends on Flux density All of these Thickness Frequency Flux density All of these Thickness Frequency ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A dc shunt generator has full-load voltage regulation of 10% at rated speed of 1000 rpm. If it is now driven at 1250 rpm, then its voltage regulation at full load would remain unchanged be less than 10% be more than 10% be 12.5% remain unchanged be less than 10% be more than 10% be 12.5% ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The 3 - Φ induction motor with rotor circuit open will make noise. run normally. not run. get over heated. make noise. run normally. not run. get over heated. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a DC shunt generator working on load, the brushes are moved forward in the direction of rotation, as a result of this, commutation will worsen and terminal voltage will rise. worsen and terminal voltage will fall improve and terminal voltage will rise . improve but terminal voltage will fall. worsen and terminal voltage will rise. worsen and terminal voltage will fall improve and terminal voltage will rise . improve but terminal voltage will fall. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the applied voltage of a DC motor is 230 V, then back emf, for maximum power developed is 200 V. 460 V. 115 V. 230 V. 200 V. 460 V. 115 V. 230 V. ANSWER DOWNLOAD EXAMIANS APP
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