Electrical Machines Slip exists in none of above. in both machines. synchronous motor. induction motor. none of above. in both machines. synchronous motor. induction motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 4 pole dynamo with wave wound armature has 51 slots contains 20 conductors in each slot. If induced emf 357 Volts and speed is 8500 rpm, flux per pole will be 2.7 mWb. 1.2 mWb. 3.5 mWb. 1.4 mWb. 2.7 mWb. 1.2 mWb. 3.5 mWb. 1.4 mWb. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The armature core of the rotor bars of dc motors are laminated to reduce mechanical losses. to reduce hysteresis loss. to reduce eddy current loss. to provide better flux linkage. to reduce mechanical losses. to reduce hysteresis loss. to reduce eddy current loss. to provide better flux linkage. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Conservator tank is used for better cooling of transformer. to act as an oil storage. None of these to take up the expansion of oil due to temperature rise. for better cooling of transformer. to act as an oil storage. None of these to take up the expansion of oil due to temperature rise. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a synchronous motor electromagnetic power varies None of these directly as square of applied voltage inversely as applied voltage directly as applied voltage None of these directly as square of applied voltage inversely as applied voltage directly as applied voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In salient pole synchronous machine, the reluctance power varies as sinδ sin2δ cosδ cos2δ sinδ sin2δ cosδ cos2δ ANSWER DOWNLOAD EXAMIANS APP
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