Electric Traction Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? All of the listed here Series parallel operation of motors Reduced current method Tap changing control of transformer All of the listed here Series parallel operation of motors Reduced current method Tap changing control of transformer ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ frequency is not common in low frequency traction system 40 Hz 25 Hz 16 Hz None of the listed here 40 Hz 25 Hz 16 Hz None of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of a steam engine an average coal consumption per km is nearly 28 to 30 kg 100 to 120 kg 60 to 80 kg 150 to 175 kg 28 to 30 kg 100 to 120 kg 60 to 80 kg 150 to 175 kg ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotive having mono-motor bogies Are suited both for passenger as well as freight service Has better riding qualities due to the reduction of lateral forces Has better coefficient of adhesion All of the listed here Are suited both for passenger as well as freight service Has better riding qualities due to the reduction of lateral forces Has better coefficient of adhesion All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The speed of a superfast train is More than 100 kmph 60 kmph 75 kmph 100 kmph More than 100 kmph 60 kmph 75 kmph 100 kmph ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Specific energy consumption is affected by which of the following factors? All of the listed here Retardation and acceleration values Distance between stops Gradient All of the listed here Retardation and acceleration values Distance between stops Gradient ANSWER DOWNLOAD EXAMIANS APP