AC / DC ELECTRIFIED LINES Flashcards
WHAT IS THE VOLTAGE OF THE AC OVERHEAD LINE EQUIPMENT (OLE)
25000
WHEN IS THE AC OLE LIVE
TREAT THE AC OLE AS ALWAYS LIVE
WHAT EQUIPMENT SPECIFIC TO OLE AND 3RD RAIL DC ON TRAINS SHOULD BE TREATED AS LIVE AT ALL TIMES
PANTOGRAPH
COLLECTOR SHOES
WHAT IS THE MINUMUM SAFE DISTANCE FROM AC OLE
2.75 METRES OR 9 FEET
WHO WOULD YOU CONTACT TO GAIN AN AC OLE EMERGENCY SWITCH OFF
ELECTRICAL CONTROL OPERATOR - ECO
WHO IS IN CHARGE OF THE SWITCH OFF
WHO EVER ASKED FOR IT
IF THEIR IS TO BE A RESCUE ATTEMPT NEAR THE OLE WHAT IS THE SAFE DISTANCE BEFORE REQUESTING AN EMERGENCY SWITCH OFF
2.75 METRES OR 9 FEET
WHILST DRIVING YOUR TRAIN YOU OBSERVE SOMETHING HANGING FROM THE OLE THAT COULD COMPROMISE THE SAFETY OF TRAINS WHAT MUST YOU DO
STOP TRAIN IMMEDIATELY
CONTACT SIGNALLER
WHAT IS THE ORANGE LINE AROUND THE TOP OF THE TRAIN CALLED AND WHAT IS ITS RELEVANCE
CANT RAIL
NO ONE TO GO ABOVE THIS LINE AS THIS IS THE SAFE HEIGHT FOR OLE
WHEN AN EMERGENCY SWITCH OFF IS GRANTED THE PERSON WHO REQUESTED IT IS GIVEN A REFERENCE NUMBER, HOW IS THIS NUMBER MADE UP AND WHAT IS ITS PURPOSE
THE NUMBER IS MADE UP FROM THE TIME THAT THE REQUEST WAS MADE.
ITS PURPOSE IS
WHAT ARE THE NAMES OF THE 5 MAIN WIRES ON THE OLE
CATENARY DROPPER CONTACT RED BOND CONDUCTOR
WHEN REQUESTING AN EMERGENCY SWITCH OFF FOR THE OLE WHAT ADDITIONAL INFORMATION CAN YOU GIVE THAT WILL IDENTIFY THE EXACT LOCATION
STRUCTURE PLATE NUMBER ON THE GANTRY
WHAT IS THE NOMINAL VOLTAGE OF DC ELECTRIFIED LINES
650-750
HOW WOULD YOU ENSURE YOUR SAFETY WHEN CROSSING THE TRACK IN A DC ELECTRIFIED AREA
CROSS DIRECTLY OVER DO NOT STEP ON SLEEPERS DO NOT STEP OVER POINTS DO NOT STEP IN WATER STEP OVER LIVE RAIL IN ONE LARGE STEP
HOW CAN YOU RECOGNISE DC THIRD AND FOURTH RAIL AREAS
3RD RAIL ON THE OUTSIDE OF RUNNING RAIL
3RD RAIL RAISED ON INSULATING CUPS
3RD RAIL THICKER
4TH RAIL IN THE MIDDLE OF THE TRACK
