Electric Traction Which of the following braking systems on the locomotives is costly? Vacuum braking on diesel locomotives All braking systems are equally costly Regenerative braking on electric locomotives Vacuum braking on steam locomotives Vacuum braking on diesel locomotives All braking systems are equally costly Regenerative braking on electric locomotives Vacuum braking on steam locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The number of passenger coaches that can be attached to a diesel engine locomotive on broad gauge is usually restricted to 20 5 15 10 20 5 15 10 ANSWER DOWNLOAD EXAMIANS APP
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 Reduced current method Series parallel operation of motors Tap changing control of transformer All of the listed here Reduced current method Series parallel operation of motors Tap changing control of transformer ANSWER DOWNLOAD EXAMIANS APP
Electric Traction In tram ways which of the following motors is used? D.C. series motor D.C. shunt motor AC. single phase capacitor start motor A.C. three phase motor D.C. series motor D.C. shunt motor AC. single phase capacitor start motor A.C. three phase motor ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Overload capacity of diesel engines is usually restricted to 4 percent 6 percent 8 percent 2 percent 4 percent 6 percent 8 percent 2 percent ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For diesel locomotives the range of horsepower is 2000 to 2500 1500 to 2500 1000 to 2000 500 to 1000 2000 to 2500 1500 to 2500 1000 to 2000 500 to 1000 ANSWER DOWNLOAD EXAMIANS APP