Electrical Machines The 3 - Φ induction motor with rotor circuit open will not run. make noise. run normally. get over heated. not run. make noise. run normally. get over heated. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Armature reaction in a DC machine makes an angle with the main pole axis which is load dependent. is in the same direction as the main poles. makes an angle of 90° with the main pole axis. is in direct opposition to the main poles. makes an angle with the main pole axis which is load dependent. is in the same direction as the main poles. makes an angle of 90° with the main pole axis. is in direct opposition to the main poles. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The air gap between the yoke and armature is dc machine is kept very small to achieve a stronger magnetic field. to avoid over heating. All of these to avoid locking of the armature. to achieve a stronger magnetic field. to avoid over heating. All of these to avoid locking of the armature. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 3-phase 6 pole 50 Hz induction motor is running at 5% slip.What is the speed of the motor? 950 rpm 1000 rpm 850 rpm 900 rpm 950 rpm 1000 rpm 850 rpm 900 rpm ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If in DC Shunt Motor the flux is reduced suddenly to zero, then the speed of motor will be reduced. the motor will come to stop. the motor will attain dangerously high speed. the armature current will reduce. the speed of motor will be reduced. the motor will come to stop. the motor will attain dangerously high speed. the armature current will reduce. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened The speed of motor will be reduced. The motor will attain dangerously high speed. The armature current will reduce. DC Shunt Motor The speed of motor will be reduced. The motor will attain dangerously high speed. The armature current will reduce. DC Shunt Motor ANSWER DOWNLOAD EXAMIANS APP
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