©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
Amtrak Airbrake Midterm Exam
Questions and Answers 100% Solved
What happens with the straight air brake system when air pressure is
increased? - ✔✔Brakes applied
What happens with the automatic brake system when air pressure is
increased? - ✔✔Breaks release
What is the source of air used in the air brake system and where is it stored
- ✔✔Air compressor in the main reservoirs
What are the functions of the triple valve /control valve - ✔✔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 - ✔✔A break application consisting of one or
more break pipe reductions at a service rate
, ©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
What is an emergency application - ✔✔A rate of brake pipe reduction fast
enough to cause the control valves to move to emergency position
What does Lap mean - ✔✔All ports closed
What is an example of the straight air system - ✔✔Independent brake valve
Why is automatic brake valve fail safe - ✔✔Emergency brake apply when
train air continuity breaks
Device that applies breaks to the wheel - ✔✔Brake cylinder
How does the piston retract - ✔✔Spring
Where is air stored on a freight car - ✔✔Auxiliary reservoir
Where is air store on a locomotive - ✔✔Main res number two
What device makes air - ✔✔Air compressor
What is the rate of reduction for a service rate - ✔✔550
What is the rate of Reduction for an emergency rate - ✔✔930
How does an air compressor on a Emd get power - ✔✔Shaft driven
How does the air compressor on an EMD get cooled - ✔✔Water cooled
How does the air compressor on a GE get power - ✔✔Electric
How does the air compressor on a GE get cool - ✔✔Air
To stage a compressor where does the air go to get cooled - ✔✔Intercooler
Amtrak Airbrake Midterm Exam
Questions and Answers 100% Solved
What happens with the straight air brake system when air pressure is
increased? - ✔✔Brakes applied
What happens with the automatic brake system when air pressure is
increased? - ✔✔Breaks release
What is the source of air used in the air brake system and where is it stored
- ✔✔Air compressor in the main reservoirs
What are the functions of the triple valve /control valve - ✔✔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 - ✔✔A break application consisting of one or
more break pipe reductions at a service rate
, ©NINJANERD 2024/2025. YEAR PUBLISHED 2024.
What is an emergency application - ✔✔A rate of brake pipe reduction fast
enough to cause the control valves to move to emergency position
What does Lap mean - ✔✔All ports closed
What is an example of the straight air system - ✔✔Independent brake valve
Why is automatic brake valve fail safe - ✔✔Emergency brake apply when
train air continuity breaks
Device that applies breaks to the wheel - ✔✔Brake cylinder
How does the piston retract - ✔✔Spring
Where is air stored on a freight car - ✔✔Auxiliary reservoir
Where is air store on a locomotive - ✔✔Main res number two
What device makes air - ✔✔Air compressor
What is the rate of reduction for a service rate - ✔✔550
What is the rate of Reduction for an emergency rate - ✔✔930
How does an air compressor on a Emd get power - ✔✔Shaft driven
How does the air compressor on an EMD get cooled - ✔✔Water cooled
How does the air compressor on a GE get power - ✔✔Electric
How does the air compressor on a GE get cool - ✔✔Air
To stage a compressor where does the air go to get cooled - ✔✔Intercooler
