DC Generators The yoke of a dc machine is made of Aluminum Soft iron Cast steel Silicon steel Aluminum Soft iron Cast steel Silicon steel ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Ball bearings Magnetic bearings Bush bearings Needle bearings Ball bearings Magnetic bearings Bush bearings Needle bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators The armature of a dc machine having 10 poles is rotating at a speed of 10 revolution per second. The number of hysteresis loops formed per second is ______ 50 150 10 100 50 150 10 100 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The commutator of a dc generator acts as None of the listed here A rectifier An amplifier A load None of the listed here A rectifier An amplifier A load ANSWER DOWNLOAD EXAMIANS APP
DC Generators The main factor which leads to unstable parallel operation of flat and over compounded generators is unequal series field resistances unequal number of turns in their series field windings unequal speed regulation of their primemovers their rising voltage characteristics unequal series field resistances unequal number of turns in their series field windings unequal speed regulation of their primemovers their rising voltage characteristics ANSWER DOWNLOAD EXAMIANS APP
DC Generators The dc generator that has poorest voltage is Flat compounded generator Over compounded generator Series generator Shunt generator Flat compounded generator Over compounded generator Series generator Shunt generator ANSWER DOWNLOAD EXAMIANS APP
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