Electric Traction The efficiency of diesel locomotives is nearly 30 to 40 percent 20 to 25 percent 45 to 55 percent 60 to 70 percent 30 to 40 percent 20 to 25 percent 45 to 55 percent 60 to 70 percent ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following methods is used to control speed of 25 kV, 50 Hz single phase traction? Tap changing control of transformer 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 ANSWER DOWNLOAD EXAMIANS APP
Electric Traction When a bogie negotiates a curve, reduction in adhesion occurs resulting in sliding. Thus sliding is acute when Wheel base of axles is more Both of the listed here None of the listed here Degree of curvature is more Wheel base of axles is more Both of the listed here None of the listed here Degree of curvature is more ANSWER DOWNLOAD EXAMIANS APP
Electric Traction _________ locomotive has the highest operational availability. Electric All of the listed here Diesel Steam Electric All of the listed here Diesel Steam ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The value of coefficient of adhesion will be high when rails are Cleaned with sand Greased Sprayed with oil Wet Cleaned with sand Greased Sprayed with oil Wet ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The rate of acceleration on suburban or urban service is in the range 15 to 25 km phps 1.6 to 4.0 km phps 5 to 10 km phps 0.2 to 0.5 km phps 15 to 25 km phps 1.6 to 4.0 km phps 5 to 10 km phps 0.2 to 0.5 km phps ANSWER DOWNLOAD EXAMIANS APP
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