Electrical Machines From no load to full load the slip will None of these slightly increase. slightly decrease. not change. None of these slightly increase. slightly decrease. not change. 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. DC Shunt Motor The armature current will reduce. The speed of motor will be reduced. The motor will attain dangerously high speed. DC Shunt Motor The armature current will reduce. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The efficiency of a transformer is mainly dependent on copper losses. stray losses. dielectric losses. core losses. copper losses. stray losses. dielectric losses. core losses. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines When Flemings right hand rule to find the direction of induced emf, the thumb points towards opposite to the direction of motion of the conductor. direction of induced emf. direction of flux. direction of motion of the conductor. opposite to the direction of motion of the conductor. direction of induced emf. direction of flux. direction of motion of the conductor. 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. all of these. high filed circuit resistance. zero or very low voltage supply. over load. all of these. high filed circuit resistance. zero or very low voltage supply. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines The magnetic field which initially induces emf in the armature in a self excited DC generator is because of None of these permanent magnets. residual magnetism. armature reaction. None of these permanent magnets. residual magnetism. armature reaction. ANSWER DOWNLOAD EXAMIANS APP
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