DC Generators The yoke of a dc machine carries ______ pole flux. Two times the One-half of None of the listed here Three times Two times the One-half of None of the listed here Three times ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Bush bearings Needle bearings Magnetic bearings Ball bearings Bush bearings Needle bearings Magnetic bearings Ball bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following generating machine will offer constant voltage on all loads? Self-excited generator Level compounded generator Separately excited generator All of these Self-excited generator Level compounded generator Separately excited generator All of these ANSWER DOWNLOAD EXAMIANS APP
DC Generators Number of tapings for each equalizer ring is equal to Number of parallel paths Number of poles Number of commutator segments Number of pole pairs Number of parallel paths Number of poles Number of commutator segments Number of pole pairs ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Electromagnets None of these Both (A) and (B) Permanent magnets Electromagnets None of these Both (A) and (B) Permanent magnets ANSWER DOWNLOAD EXAMIANS APP
DC Generators The terminal voltage of a D.C. shunt generator drops on load because of all of the following reasons except Armature resistance drop Commutation Armature reaction Field weakening due to armature reaction and armature Armature resistance drop Commutation Armature reaction Field weakening due to armature reaction and armature ANSWER DOWNLOAD EXAMIANS APP
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