DC Generators Current versus time graph for an ideal commutation is a None of the listed here Straight line Parabola Hydrobola None of the listed here Straight line Parabola Hydrobola ANSWER DOWNLOAD EXAMIANS APP
DC Generators Which of the following could be lamina proximately the thickness of laminations of a D.C. machine? 0.05 mm 0.005 mm 5 m 0.5 m 0.05 mm 0.005 mm 5 m 0.5 m ANSWER DOWNLOAD EXAMIANS APP
DC Generators While applying Fleming's right-hand rule to and the direction of induced e.m.f., the thumb points towards Direction of motion of conductor, if forefinger points along the lines of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux Direction of induced e.m.f. Direction of motion of conductor, if forefinger points along the lines of flux Direction of motion of the conductor if forefinger points in the direction of generated e.m.f. Direction of flux Direction of induced e.m.f. ANSWER DOWNLOAD EXAMIANS APP
DC Generators The purpose of providing dummy coils in a generator is To provide mechanical balance for the rotor To enhance flux density To amplify voltage To reduce eddy current losses To provide mechanical balance for the rotor To enhance flux density To amplify voltage To reduce eddy current losses ANSWER DOWNLOAD EXAMIANS APP
DC Generators In a simplex wave winding, the number of parallel paths is equal to _____ 2 Numbers of poles in the machine Number of pairs of poles None of the listed here 2 Numbers of poles in the machine Number of pairs of poles None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Generators Wave winding is composed of That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors That even number which is exact multiple of poles That even number which is exact multiple of poles + 2 Any odd number of conductors Any even number of conductors ANSWER DOWNLOAD EXAMIANS APP