Electrical Machines Which of the following is not a part of transformer? Conservator tank. Commutator. Radiator. Tap changer. Conservator tank. Commutator. Radiator. Tap changer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Where the shunt generators are widely used? Where a constant voltage is required over a narrow load range. Where voltage variation is needed over a wide load range. Where the load is very high. Where often load fluctuation is occurred. Where a constant voltage is required over a narrow load range. Where voltage variation is needed over a wide load range. Where the load is very high. Where often load fluctuation is occurred. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If residual magnetism of a shunt generator is destroyed accidentally it may be restored by connecting its shunt field to an AC source. to a DC source. in reverse. to earth. to an AC source. to a DC source. in reverse. to earth. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Short circuiting is caused in the armature winding due to any of above. grounding of two or more turns of the same coil. failure of insulation between two turns of coil. failure of insulation between two commutator bars. any of above. grounding of two or more turns of the same coil. failure of insulation between two turns of coil. failure of insulation between two commutator bars. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The torque speed characteristics of a AC servomotor is approximately linearised hyperbola parabola any of the above linearised hyperbola parabola any of the above ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Eb/V ratio of a DC motor is an indication of Running Torque. Effiency. Speed regulation. Starting torque. Running Torque. Effiency. Speed regulation. Starting torque. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS