Electrical Machines At stand still condition the value of slip is 1 finite value 0 infinite value 1 finite value 0 infinite value ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A DC Motor is driving a constant load torque having armature resistance of 0.25 Ω and armature current of 60 A having connected to a voltage of 230 V. Now a resistance of 1 ohm is added into the armature circuit. The ratio of their speed will be 0.25. 0.62. 1.24. 0.72. 0.25. 0.62. 1.24. 0.72. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Width of a carbon brush should be equal to the width of the 2 to 3 commutator segment. less than the width of commutator segment. the width of the 1 to 2 commutator segment. the width more than 3 commutator segment. the width of the 2 to 3 commutator segment. less than the width of commutator segment. the width of the 1 to 2 commutator segment. the width more than 3 commutator segment. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In DC generator, brushes are always placed along geometrical neutral axis. magnetic neutral axis. load axis. armature axis. geometrical neutral axis. magnetic neutral axis. load axis. armature axis. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Unbalance 3 - Φ stator currents cause double frequency currents in the rotor. All of these vibrations. heating of rotor. double frequency currents in the rotor. All of these vibrations. heating of rotor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Reluctance and hysteresis motors are the types of which electrical motor? 1 - Φ synchronous motor. Stepper motor. DC motor. 3 - Φ induction motor. 1 - Φ synchronous motor. Stepper motor. DC motor. 3 - Φ induction motor. ANSWER DOWNLOAD EXAMIANS APP
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