Union Pacific (questions well answered
100%) 2025 updated
When do you use the bell? - correct answer ✔✔Men and equip, Road crossings, service track
How do you perform a Transfer train test (class 3)? - correct answer ✔✔Walk one side lacing
hoses doing 1.33 safety inspection. Put gauge on rear car, tell operator on head end to cut in air.
Have at least 75 psi on gauge at rear car. Set 20lb full service reduction and walk other side
ensuring pistons are out on all cars making safety inspection on way back to engine. 100% of
brakes must set up. If not can retest 1 more time. If the car does not set up on 2nd try the car
must be set out. Pressures prior to link up: Main Res (red) 120-140, Equilizing Res (white) 90,
Brake Cyl (red) 35+, Brake Pipe (white) 90
How do you short term? How do you long term? How do you do a crew change test? If not seen
during ride - correct answer ✔✔Look at paper
Can the RCO operator/crew perform a daily inspection if needed, ie, no mechanical personel
available? - correct answer ✔✔Yes. Ground: piston tracel (1 1/2") less than blue card, but
usually 6 1/2"), brake shoes, dragging sagging, etc, walkway: chains, oil
Where do you leave equipment? - correct answer ✔✔Leave clear of adjacent track or leave on
lead
Equipment- If no clearance (painted mark) where do you leave it? - correct answer
✔✔Clearance point plus 50ft.
Equipment-How do you determine clearance point? - correct answer ✔✔Stand next to rail with
arm stretched out to the adjacent track.
100%) 2025 updated
When do you use the bell? - correct answer ✔✔Men and equip, Road crossings, service track
How do you perform a Transfer train test (class 3)? - correct answer ✔✔Walk one side lacing
hoses doing 1.33 safety inspection. Put gauge on rear car, tell operator on head end to cut in air.
Have at least 75 psi on gauge at rear car. Set 20lb full service reduction and walk other side
ensuring pistons are out on all cars making safety inspection on way back to engine. 100% of
brakes must set up. If not can retest 1 more time. If the car does not set up on 2nd try the car
must be set out. Pressures prior to link up: Main Res (red) 120-140, Equilizing Res (white) 90,
Brake Cyl (red) 35+, Brake Pipe (white) 90
How do you short term? How do you long term? How do you do a crew change test? If not seen
during ride - correct answer ✔✔Look at paper
Can the RCO operator/crew perform a daily inspection if needed, ie, no mechanical personel
available? - correct answer ✔✔Yes. Ground: piston tracel (1 1/2") less than blue card, but
usually 6 1/2"), brake shoes, dragging sagging, etc, walkway: chains, oil
Where do you leave equipment? - correct answer ✔✔Leave clear of adjacent track or leave on
lead
Equipment- If no clearance (painted mark) where do you leave it? - correct answer
✔✔Clearance point plus 50ft.
Equipment-How do you determine clearance point? - correct answer ✔✔Stand next to rail with
arm stretched out to the adjacent track.
