Electrical Machines The flux involved in the emf equation of a transformer has total value. average value. rms value. maximum value. total value. average value. rms value. maximum value. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eddy current loss will depends on Frequency Flux density All of these Thickness Frequency Flux density All of these Thickness ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Generator works on the principle of production None of these static induced emf. both A and B. dynamically induced emf. None of these static induced emf. both A and B. dynamically induced emf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Width of a carbon brush should be equal to less than the width of commutator segment. the width more than 3 commutator segment. the width of the 1 to 2 commutator segment. the width of the 2 to 3 commutator segment. less than the width of commutator segment. the width more than 3 commutator segment. the width of the 1 to 2 commutator segment. the width of the 2 to 3 commutator segment. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following bearings and their uses are correct roller bearings → large machines ball bearings → small machines neither 1 nor 2 both A and B roller bearings → large machines ball bearings → small machines neither 1 nor 2 both A and B ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Air core transformer as compared to iron core transformer, has more copper loss. more magnetic core loss. less magnetic core loss. no magnetic core loss. more copper loss. more magnetic core loss. less magnetic core loss. no magnetic core loss. ANSWER DOWNLOAD EXAMIANS APP