DC Generators The armature core of a D.C. generator is usually made of Nonferrous material Cast-iron Silicon steel Copper Nonferrous material Cast-iron Silicon steel Copper ANSWER DOWNLOAD EXAMIANS APP
DC Generators The field winding of a dc shunt machine usually caries _______ of the rated current of the machine. Less than 0.5 % 2% to 5% More than 20% 15 to 25% Less than 0.5 % 2% to 5% More than 20% 15 to 25% ANSWER DOWNLOAD EXAMIANS APP
DC Generators A 4-pole dc machine has _____ magnetic circuits. 4 2 8 6 4 2 8 6 ANSWER DOWNLOAD EXAMIANS APP
DC Generators The coupling field between electrical and mechanical systems of a dc machine is ______ Magnetic field Electric field None of the listed here Both electrical and magnetic fields Magnetic field Electric field None of the listed here Both electrical and magnetic fields ANSWER DOWNLOAD EXAMIANS APP
DC Generators Laminations of core are generally made of Stainless steel Silicon steel Case iron Carbon Stainless steel Silicon steel Case iron Carbon ANSWER DOWNLOAD EXAMIANS APP
DC Generators The no load voltage of a generator is 240 V and rated load voltage is 220 V. The voltage regulation of the generator is 9.1% 2.8% 4.5% 11.3% 9.1% 2.8% 4.5% 11.3% ANSWER DOWNLOAD EXAMIANS APP