CSX Conductor Training Part 3: Air
Brake & Train Handling Rules 2025/2026
Exam Questions and Answers | 100%
Pass
Angle cock - 🧠 ANSWER ✔✔A valve located at each end of a locomotive or
car used to open or close the brake pipe. Handle in line means it's open.
Handle crosswise means it's closed.
Brake cylinder - 🧠 ANSWER ✔✔A device on cars and locomotives, which
converts the force of compressed air into a mechanical force to move brake
shoes against the wheels. Contains a piston and piston rod. Piston out
mean brakes are applied. Piston released inside means they are released
Brake pipe - 🧠 ANSWER ✔✔The pipe extending the length of the car,
locomotive or train through which air brakes are charged, applied and
released.
Branch pipe cut out cock - 🧠 ANSWER ✔✔Device used for cutting in and
cutting out the control valve on a locomotive or car. Handle crosswise with
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
, pipe, the cut out cock is open. Handle in line with pipe, the cut out cock is
closed.
Brake cylinder release valve - 🧠 ANSWER ✔✔Valve designed to provide a
means for releasing brake cylinder pressure on a freight car by actuating a
bleed rod near the control valve that is to be identified by a small loop or
handle on the bleed rod.
Control valve - 🧠 ANSWER ✔✔Device on locomotives in cars that charges,
applies and releases breaks in response to changes in brake pipe
pressure.
Auxiliary reservoir - 🧠 ANSWER ✔✔A storage volume for compressed air,
charged from the brake pipe, which provides air pressure for use in service
and emergency brake applications.
Emergency reservoir - 🧠 ANSWER ✔✔A storage volume for compressed
air, charged from the brake pipe, which provides air pressure for use in
emergency brake application and certain recharge features.
Reduction relay valve - 🧠 ANSWER ✔✔A device found on freight cars when
the length of the brake pipe is 75 feet or longer. Primary function of the A-1
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED
Brake & Train Handling Rules 2025/2026
Exam Questions and Answers | 100%
Pass
Angle cock - 🧠 ANSWER ✔✔A valve located at each end of a locomotive or
car used to open or close the brake pipe. Handle in line means it's open.
Handle crosswise means it's closed.
Brake cylinder - 🧠 ANSWER ✔✔A device on cars and locomotives, which
converts the force of compressed air into a mechanical force to move brake
shoes against the wheels. Contains a piston and piston rod. Piston out
mean brakes are applied. Piston released inside means they are released
Brake pipe - 🧠 ANSWER ✔✔The pipe extending the length of the car,
locomotive or train through which air brakes are charged, applied and
released.
Branch pipe cut out cock - 🧠 ANSWER ✔✔Device used for cutting in and
cutting out the control valve on a locomotive or car. Handle crosswise with
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
1
STATEMENT. ALL RIGHTS RESERVED
, pipe, the cut out cock is open. Handle in line with pipe, the cut out cock is
closed.
Brake cylinder release valve - 🧠 ANSWER ✔✔Valve designed to provide a
means for releasing brake cylinder pressure on a freight car by actuating a
bleed rod near the control valve that is to be identified by a small loop or
handle on the bleed rod.
Control valve - 🧠 ANSWER ✔✔Device on locomotives in cars that charges,
applies and releases breaks in response to changes in brake pipe
pressure.
Auxiliary reservoir - 🧠 ANSWER ✔✔A storage volume for compressed air,
charged from the brake pipe, which provides air pressure for use in service
and emergency brake applications.
Emergency reservoir - 🧠 ANSWER ✔✔A storage volume for compressed
air, charged from the brake pipe, which provides air pressure for use in
emergency brake application and certain recharge features.
Reduction relay valve - 🧠 ANSWER ✔✔A device found on freight cars when
the length of the brake pipe is 75 feet or longer. Primary function of the A-1
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
2
STATEMENT. ALL RIGHTS RESERVED