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
Electric Traction The pulsating torque exerted by steam locomotives causes which of the following? Pitching Hammer blow Jolting and skidding All of the listed here Pitching Hammer blow Jolting and skidding All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For three-phase induction motors which of the following is the least efficient method of speed control? Cascade control Combination of cascade and pole changing Pole changing Rheostat control Cascade control Combination of cascade and pole changing Pole changing Rheostat control ANSWER DOWNLOAD EXAMIANS APP
Electric Traction Which of the following is the voltage for single phase A.C. system? 5 kV 220 v 220 V 11 kV 5 kV 220 v 220 V 11 kV ANSWER DOWNLOAD EXAMIANS APP
Electric Traction For which of the following locomotives the maintenance requirements are the least? Steam locomotives Diesel locomotives Electric locomotives All of the listed here Steam locomotives Diesel locomotives Electric locomotives All of the listed here ANSWER DOWNLOAD EXAMIANS APP
Electric Traction An ideal traction system should have Easy speed control High starting tractive effort All of the listed here Equipment capable of withstanding large temporary loads Easy speed control High starting tractive effort All of the listed here Equipment capable of withstanding large temporary loads ANSWER DOWNLOAD EXAMIANS APP
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