Siemens Traction Exam Questions and Answers Latest Update.

Siemens Traction Exam Questions and Answers Latest Update. What circuit breaker is in a DMA? - ANSWER PA What circuit breaker is in a DMB? - ANSWER CCTV How many PEI per carriage? - ANSWER 2- both on A side, doors 1&2 What is inside the Traction Container? - ANSWER - Traction Control Unit - Traction Inverter What is inside the Static Inverter Unit? - ANSWER - Static Inverter X2 - Battery charger What is inside the High Voltage Container? - ANSWER - High Speed Circuit Breaker & Ground Switch - Brake Control Unit What is in the Auxiliary Electrical Box? - ANSWER - Auxiliary equipment for static inverters - Brake control unit Where is the whistle isolating cock? - ANSWER Within the drivers cab, inside panel to the left of drivers seat Where is the trip isolating cock? - ANSWER In drivers cab, behind panel next to the fire extinguisher What is the purpose of the towing unit? - ANSWER Used for non-electrical coupling, it will read the brake pipe pressure & apply/release brakes accordingly Siemens Traction Exam Questions and Answers Latest Update What does the towing cock do? - ANSWER Used during train rescue when coupled to a Comeng train- will lower the main res pressure on the motor to 700kPa What isolating cocks are on the coupler? - ANSWER - A side: Complete isolation of air to coupler doors - B side: "extend air" will isolate coupler doors opening - B side: "retract air" will isolate coupler doors from closing What type of coupler is on the Siemens? - ANSWER Dellner What electrical current does the Traction Inverter receive & produce? - ANSWER Receives 1500vDC from overhead, produces 3 Phase Variable for traction motors What is the job of the Traction Control Unit? - ANSWER Processed signals from Master Controller to power the traction motors- also controls Holding Brake What speed are the Sanders operational? - ANSWER Over 5km/h What equipment is fitted to the roof of a MOTOR car? - ANSWER - Pantograph - Antenna - Surge Arrestor - HVAC .