Electrical Machines At slip s = 1 torque developed in machine is starting torque. electromagnetic torque. maximum torque. none. starting torque. electromagnetic torque. maximum torque. none. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Addition of 0.3 % to 4.5 % silicon to iron None of these increases the hysteresis loss. reduces the saturation magnetization. increases the electrical resistivity of iron. None of these increases the hysteresis loss. reduces the saturation magnetization. increases the electrical resistivity of iron. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The voltage regulation of a DC generator at full load being zero implies that the generator is series connected. cumulatively compounded. deferentially compounded. shunt connected. series connected. cumulatively compounded. deferentially compounded. shunt connected. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, alternator has generated emf per phase of 230 V with 10% 3rd harmonic and 6% 5th harmonic content. Calculate rms line voltage for star connection. 50 V. 399 V. 100 V. 230.2 V. 50 V. 399 V. 100 V. 230.2 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The wattage rating of a ceiling fan motor will be 50 - 150 W. 10 - 20 W. 200 - 250 W. 250 - 500 W. 50 - 150 W. 10 - 20 W. 200 - 250 W. 250 - 500 W. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Variation in speed by ward-Leonard control of DC motors occurs due to variation in Armature current. Field excitaion. Armature voltage. Supply voltage. Armature current. Field excitaion. Armature voltage. Supply voltage. ANSWER DOWNLOAD EXAMIANS APP
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