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 Tap changing control of transformer Reduced current method All of the listed here Series parallel operation of motors Tap changing control of transformer Reduced current method ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The rate of acceleration on sub-urban or urban services is restricted by the consideration of Track curves Track size Engine power Passenger Discomfort Track curves Track size Engine power Passenger Discomfort ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For which of the following locomotives the maintenance requirements are the least? Electric locomotives Steam locomotives All of the listed here Diesel locomotives Electric locomotives Steam locomotives All of the listed here Diesel locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when Degree of curvature is more Wheel base of axles is more None of the listed here Both of the listed here Degree of curvature is more Wheel base of axles is more None of the listed here Both of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Automatic signalling is used for which of the following trains ? Suburban and Urban electric trains All of the listed here Superfast trains Mail and express trains Suburban and Urban electric trains All of the listed here Superfast trains Mail and express trains ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The wheels of a train, engine as well as bogies, are slightly tapered to Facilitate in taking turns Facilitate braking Reduce friction Increase friction Facilitate in taking turns Facilitate braking Reduce friction Increase friction ANSWER DOWNLOAD EXAMIANS APP
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