DC Generators If the value of shunt field resistance of a shunt generator is greater than the critical resistance, the generator will None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite None of the listed here Excite to one half of full voltage Excite to full voltage Fail to excite ANSWER DOWNLOAD EXAMIANS APP
DC Generators Current versus time graph for an ideal commutation is a Hydrobola None of the listed here Straight line Parabola Hydrobola None of the listed here Straight line Parabola ANSWER DOWNLOAD EXAMIANS APP
DC Generators The bearings used to support the rotor shafts are generally Ball bearings Needle bearings Bush bearings Magnetic bearings Ball bearings Needle bearings Bush bearings Magnetic bearings ANSWER DOWNLOAD EXAMIANS APP
DC Generators Magnetic field in a D.C. generator is produced by Electromagnets None of these Permanent magnets Both (A) and (B) Electromagnets None of these Permanent magnets Both (A) and (B) ANSWER DOWNLOAD EXAMIANS APP
DC Generators The brush voltage drop in dc machine is about _______ 20 V 10 V 0.1 V 2 V 20 V 10 V 0.1 V 2 V ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave wound generators provide More current and more voltage Less current but more voltage None of the listed here More current but less voltage More current and more voltage Less current but more voltage None of the listed here More current but less voltage ANSWER DOWNLOAD EXAMIANS APP