Electrical Machines Two identical loss less series motors connected in series across a dc supply voltage, runs at speed of N1 and N2, then ratio of their output power is none. N12 : N22. 1 : 1. N1 : N2. none. N12 : N22. 1 : 1. N1 : N2. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines If the field circuit of a DC shunt motor is opened DC Shunt Motor The motor will attain dangerously high speed. The armature current will reduce. The speed of motor will be reduced. DC Shunt Motor The motor will attain dangerously high speed. The armature current will reduce. The speed of motor will be reduced. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer action requires a alternating magnetic lux. increasing magnetic flux. alternating electric flux. constant magnetic flux. alternating magnetic lux. increasing magnetic flux. alternating electric flux. constant magnetic flux. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In a dc machine 6 pole wave winding is used. The number of parallel paths are? 1 4 6 2 1 4 6 2 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 over load. high filed circuit resistance. all of these. zero or very low voltage supply. over load. high filed circuit resistance. all of these. zero or very low voltage supply. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Flux density under leading pole tips in case of generator will decrease None of these increase either increase or decrease decrease None of these increase either increase or decrease ANSWER DOWNLOAD EXAMIANS APP
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