DC Motors One D.C. motor drives another D.C. motor. The second D.C. motor when excited and driven Runs as a generator Does not run as a generator Also runs as a motor comes to stop after sometime None of these Runs as a generator Does not run as a generator Also runs as a motor comes to stop after sometime None of these ANSWER DOWNLOAD EXAMIANS APP
DC Motors The compensating winding is connected in Parallel with armature Series-parallel with armature Series with armature None of the listed here Parallel with armature Series-parallel with armature Series with armature None of the listed here ANSWER DOWNLOAD EXAMIANS APP
DC Motors Ward-Leonard control is basically a Voltage control method Field control method Field divertor method Armature resistance control method Voltage control method Field control method Field divertor method Armature resistance control method ANSWER DOWNLOAD EXAMIANS APP
DC Motors D.C. series motors are used None of these Where constant operating speed is needed Where load changes frequently Where load is constant None of these Where constant operating speed is needed Where load changes frequently Where load is constant ANSWER DOWNLOAD EXAMIANS APP
DC Motors Which one of the following is not the function of pole shoes in a D.C. machine? To spread out flux for better uniformity To support the field coils To reduce eddy current loss To reduce the reluctance of the magnetic path To spread out flux for better uniformity To support the field coils To reduce eddy current loss To reduce the reluctance of the magnetic path ANSWER DOWNLOAD EXAMIANS APP
DC Motors The starting resistance of a DC motor is generally 1000 Ω Infinitely large Around 500 Ω Low 1000 Ω Infinitely large Around 500 Ω Low ANSWER DOWNLOAD EXAMIANS APP
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