Bnsf Letp Exam UPDATED QUESTIONS AND CORRECT ANSWERS

Bnsf Letp Exam UPDATED QUESTIONS AND
CORRECT ANSWERS
Main psi - CORRECT ANSWER 120-140



Brake pipe psi - CORRECT ANSWER 90



What follows brake pipe psi - CORRECT ANSWER Equalizing reservoir



Equalizing Reservoir psi - CORRECT ANSWER 90



Single shoe psi - CORRECT ANSWER 72



Clasp shoe psi - CORRECT ANSWER 45



Release - CORRECT ANSWER Charge



Min - CORRECT ANSWER 6-8



Actuation procedure - CORRECT ANSWER 2 secs before minimum of 10 secs until Bc is 0



Full Service - CORRECT ANSWER 26 psi



What is the service zone - CORRECT ANSWER 8-25



Split reduction procedure - CORRECT ANSWER Min the 2-3 increments every 30 secs



Suppression - CORRECT ANSWER recover penalty

, Emergency - CORRECT ANSWER Dumps all air



Regulating valve - CORRECT ANSWER Regulates Equalizing reservoir 90-105



MU-2A Valve - CORRECT ANSWER Cuts out automatic valves



Managing speed procedure - CORRECT ANSWER Throttle, dynamics, balanced braking



How many secs from dyno -throttle - CORRECT ANSWER 10 secs



Max air to control speed - CORRECT ANSWER 15 psi



What do you need your flow to be below on conventional train - CORRECT ANSWER 60 and
below



Flow on Dp train - CORRECT ANSWER 90 and below A+B



Reducing loco overcharge - CORRECT ANSWER 1.Adjust reg valve

2.make 20 psi (105-20=85)

3.equalize

4. Release

5. Verify Equalizing res 90 psi



Emergency what equalizes - CORRECT ANSWER Emergency Reservoir, auxiliary, brake
cylinder



Full service what equalizes - CORRECT ANSWER Auxiliary, brake cylinder, brake pipe



Freight car emergency/Aux psi - CORRECT ANSWER Emerg 90psi

Aux 90 psi