Electrical Machines For a dc machine shunt resistance and armature resistance values are high and high high and low low and low low and high high and high high and low low and low low and high ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A 8 pole, 50 Hz single phase induction motor is running at 690 rpm. Its slip with respect to forward field is 1.92 -1.92 0.08 -0.08 1.92 -1.92 0.08 -0.08 ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The mmf produced by rotor currents of a 3 - Φ induction motor rotates at synchronous speed with respect to rotor. rotates at the speed of rotor in the air gap. rotates at slip speed with respect to stator mmf. is at standstill with respect to stator mmf. rotates at synchronous speed with respect to rotor. rotates at the speed of rotor in the air gap. rotates at slip speed with respect to stator mmf. is at standstill with respect to stator mmf. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Counter emf of a DC motor regulates its armature voltage. aids applied voltage. helps in energy conversion. exceeds supply voltage regulates its armature voltage. aids applied voltage. helps in energy conversion. exceeds supply voltage ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Alternator operates on the principle of mutual induction. self or mutual induction. electromagnetic induction. self induction. mutual induction. self or mutual induction. electromagnetic induction. self induction. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the handle of a three point starter goes to back to OFF position, it may be due to zero or very low voltage supply. all of these. over load. high filed circuit resistance. zero or very low voltage supply. all of these. over load. high filed circuit resistance. ANSWER DOWNLOAD EXAMIANS APP
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