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Amtrak Airbrake Midterm Exam Questions And 100% Correct Answers
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Amtrak Airbrake Midterm Exam Questions And 100%Correct Answers
What happens to the straight air brake system as air pressure is increased? -Answer
Brakes applied
What happens to the automatic brake system when air pressure is increased? -Answer
Breaks release
Where does the air used in the airbrake system come from and where is it stored-
Answer Air compressor in the main reservoirs
Functions of the triple valve /control valve -ANS CAR (Charge,Apply and Release)
What is service rate of reduction - A reduction of brake pipe pressure at a rate fast
enough to cause control valves to move to the service position but not fast enough to
cause them to move to emergency
What is a service application - Answer A break application consisting of one or more
break pipe reductions at a service rate
What is an emergency application - Answer A rate of brake pipe reduction fast enough
to cause the control valves to move to emergency position
What does Lap mean - Answer All ports closed
What is an example of the straight air system - Answer Independent brake valve
, Why automatic brake valve fail safe - Answer Emergency brake apply when train air
continuity breaks
Device that applies breaks to the wheel - Answer Brake cylinder
How does the piston retract - Answer Spring
Where is air stored on a freight car - Answer Auxiliary reservoir
Where is air store on a locomotive - Answer Main res number two
What device makes air - Answer Air compressor
What is the amperage reduction rate for a service rate - Answer 550
What is the amperage reduction rate for an emergency rate - Answer 930
How does a air compressor on a Emd get feed - Answer Shaft driven
How does the air compressor on an EMD get cooled - Answer Water cooled
How does the air compressor on a GE get feed - Answer Electric
How does the air compressor on a GE get cool - Answer Air
To stage a compressor where does the air go to get cooled - Answer Intercooler
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