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 The current drawn by a DC motor at the time of starting is Very high. Very low. Normal. Zero. Very high. Very low. Normal. Zero. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Dynamic braking can be used for All of these compound motors. series motors. shunt motors. All of these compound motors. series motors. shunt motors. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Transformer cooling and insulating oil must be of low BDV. low resistivity. low viscosity. high viscosity. low BDV. low resistivity. low viscosity. high viscosity. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines Which of the following machine will have maximum efficiency? Electrical power generator. Induction motor. DC motor. Electrical power transformer. Electrical power generator. Induction motor. DC motor. Electrical power transformer. ANSWER DOWNLOAD EXAMIANS APP
Electrical Machines A generator may loose residual magnetism due to heating. over excitation. any of these. vibrations. heating. over excitation. any of these. vibrations. ANSWER DOWNLOAD EXAMIANS APP
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