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 Tap changing control of transformer Reduced current method Series parallel operation of motors All of the listed here Tap changing control of transformer Reduced current method Series parallel operation of motors ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Specific energy consumption becomes Less if distance between stops is more More on steeper gradient More with high train resistance All of the listed here Less if distance between stops is more More on steeper gradient More with high train resistance All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Speed-time curve of main line service differs from those of urban and suburban services on following account It has longer coasting period All of the listed here It has longer free running period Accelerating and braking periods are comparatively smaller It has longer coasting period All of the listed here It has longer free running period Accelerating and braking periods are comparatively smaller ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Quadrilateral speed-time curve pertains to which of the following services? Urban service Urban and suburban service Main line service Suburban service Urban service Urban and suburban service Main line service Suburban service ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In case of steam engines the steam pressure is 1 to 4 kgf/cm² 5 to 8 kgf/cm² 10 to 15 kgf/cm² 25 to 35 kgf/cm² 1 to 4 kgf/cm² 5 to 8 kgf/cm² 10 to 15 kgf/cm² 25 to 35 kgf/cm² ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Locomotive having mono-motor bogies Has better riding qualities due to the reduction of lateral forces Are suited both for passenger as well as freight service All of the listed here Has better coefficient of adhesion Has better riding qualities due to the reduction of lateral forces Are suited both for passenger as well as freight service All of the listed here Has better coefficient of adhesion ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS