Electrical Machines Flashing the field of DC generator means making the magnetic losses forces parallel. creating residual magnetism by a DC source. neutralising residual magnetism. increasing flux density by adding extra turns of winding. making the magnetic losses forces parallel. creating residual magnetism by a DC source. neutralising residual magnetism. increasing flux density by adding extra turns of winding. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Magnetic field of a DC generator is produced by what? None of the options. Electromagnets. Permanent magnets. Both B and C. None of the options. Electromagnets. Permanent magnets. Both B and C. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines In which of the following DC Motor the ratio of starting torque to full load torque is minimum? Differential compound motor. Series motor. Shunt motor. Cumulative compound motor. Differential compound motor. Series motor. Shunt motor. Cumulative compound motor. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for compound motors. series motors. shunt motors. All of these compound motors. series motors. shunt motors. All of these 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 Induction motors normally use cast aluminium rotor because aluminium is cheaper in cost. easy to cast owing to its low melting point and is easily available. lighter in weight. of low resistivity. cheaper in cost. easy to cast owing to its low melting point and is easily available. lighter in weight. of low resistivity. ANSWER DOWNLOAD EXAMIANS APP
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