Electrical Machines In a dc machine 72 number of coils are used. Find the number of commutator segments required? 72 36 37 74 72 36 37 74 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the mechanical angle α between the stator and rotor poles increases, then the stator current None of above. Increases. Decreases. Remains unchanged. None of above. Increases. Decreases. Remains unchanged. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Number of tappings for each equalizer ring is equal to number of pole pairs. number of poles. number of commutator segments. number of parallel paths. number of pole pairs. number of poles. number of commutator segments. number of parallel paths. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following is not a part of transformer? Radiator. Commutator. Tap changer. Conservator tank. Radiator. Commutator. Tap changer. Conservator tank. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 250 V DC generator in run at rated speed with no excitation. The open circuit voltage will be 250 V. very small, say about 2 or 3 V. zero. about 100 V. 250 V. very small, say about 2 or 3 V. zero. about 100 V. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the DC Motor use flywheel? Differently compared motor. Series motor. Shunt motor. Cumulatively compound motor. Differently compared motor. Series motor. Shunt motor. Cumulatively compound motor. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS