General Flashcards
What is the maximum speed permitted for a passenger train that has an en-route brake problem requiring brakes to be made inoperative
50-74% operative brake=not exceeding 20 mph
75-84% operative brake=40 mph or 1/2 mas whichever is lower
85-99% operative brake=mas based on running brake test
What is the minimum %age of operative break a freight/work train must have from its initial terminal or en-route to move to a repair facility?
Not less than 85%
What is a class 3 brake test? Who can perform it?
TEST and INSPECTION of brake pipe INTEGRITY and CONTINUITY from the controlling locomotive to the rear unit of a freight/work train
It can be performed by a QP or QMP
What %age of working brakes must a freight/work train have before leaving its initial terminal to perform service work?
100%
What must be used to monitor brake pipe during a class 1 or class 3 brake test on a work/freight train?
FRED ( freight rear end device )
or
Locomotive with working brake pipe duplex gauge
Identify the brake tests outlined in the THEM as per CFR 232 used on LIRR work/freight trains.
Who can perform them?
Class 1= walking brake test
Class 3= rear end brake test
Can be performed by a QP or QMP
Passenger trains leaving an initial terminal must have all air brakes in effective operating condition. True or false?
True. Must be 100 %.
What should be done before proceeding after troubleshooting a brake problem on your passenger train when it became necessary to operate an angle cock, end cock, or cutout cock
Class 2 brake test
What does a class 2 brake test check for? Who can perform it?
Brake pipe INTEGRITY and CONTINUITY
from controlling locomotive to
rear of passenger train
QP or QMP
Is it necessary to have hand brakes applied when performing an initial terminal walking brake test( 1A)?
Yes
A sufficient amount to keep train from rolling
How can a passenger train depart without a class 1 brake test slip ( bt4 ) posted on the train?
Contact 204 or central control to verify that a valid class 1 brake test has been performed. Then perform a class 2 brake test.
Can a class 1 brake test be permitted to expire en-route?
No
How long is a class 1 brake test valid for?
1 calendar day
Who is permitted to fill out, update or correct the bt4 brake slip?
QMP only
Name the LIRR form to properly record a class 1 brake test has been performed on a passenger train.
BT4
Identify the brake tests outlined in the THEM as per CFR 238 used on LIRR passenger trains
Who can perform them
Class 1. QMP
Class 1 A. QP or QMP
Class 2. QP or QMP
Identify the employees trained to perform brake tests on LIRR trains.
QP or QMP
When the following angle cock and/or cutout cock handles are in line with the pipe are the valves open or closed?
A) brake pipe angle cock pipe
B) main reservoir equalizing
C) actuating
A) open
B) closed
C) closed
What is the minimum brake shoe thickness used on LIRR trains?
Cast iron = 1/2 inch
Composite. = 3/8 inch