Electric Traction The efficiency of diesel locomotives is nearly 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 30 to 40 percent ANSWER DOWNLOAD EXAMIANS APP
Electric Traction The voltage used for suburban trains in D.C. system is usually 220 V 24 V 600 to 750 V 12 V 220 V 24 V 600 to 750 V 12 V ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the disadvantage of electric traction over other systems of traction? Short time power failure interrupts traffic for hours Corrosion problems in the underground pipe work Interference with communication lines High capital outlay in fixed installations beside route limitation Short time power failure interrupts traffic for hours Corrosion problems in the underground pipe work Interference with communication lines High capital outlay in fixed installations beside route limitation ANSWER DOWNLOAD EXAMIANS APP
Electric Traction ________ have maximum unbalanced forces. Diesel locomotives All of the listed here Steam locomotives Electric locomotives Diesel locomotives All of the listed here Steam locomotives Electric locomotives ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For which of the following locomotives the maintenance requirements are the least? Diesel locomotives Electric locomotives Steam locomotives All of the listed here Diesel locomotives Electric locomotives Steam locomotives All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Long distance railways use which of the following? 25 kV single phase A.C. 25 kV two phase A.C. 25 kV three phase A.C. 200 V D.C. 25 kV single phase A.C. 25 kV two phase A.C. 25 kV three phase A.C. 200 V D.C. ANSWER DOWNLOAD EXAMIANS APP
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