Electrical Machines In a DC Shunt Motor if the load current increases keeping the terminal voltage constant, then flux will increase. decrease. remain constant. any of the above. increase. decrease. remain constant. any of the above. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase, 2 pole, 12 slot synchronous machine is operating at synchronous speed. Find the slot angle? 30° 60° 20° 18° 30° 60° 20° 18° ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Diverters are used only in None of these series motors either of these shunt motors None of these series motors either of these shunt motors ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The residual magnetism of a self-excited dc generator is lost. To build up its emf again the field winding connection must be reversed the armature connection must be reversed the field winding must be replaced field winding must be excited by low voltage dc supply the field winding connection must be reversed the armature connection must be reversed the field winding must be replaced field winding must be excited by low voltage dc supply ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field winding connection of DC shunt motor is changed motor will not run. motor will become slow. It will run in same direction. It will run in opposite direction. motor will not run. motor will become slow. It will run in same direction. It will run in opposite direction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines At the instant of starting, the per unit slip of 3 - Φ induction motor is 0.5. 0.1. 0.05. 1.0. 0.5. 0.1. 0.05. 1.0. ANSWER DOWNLOAD EXAMIANS APP