Airbrake7

Question 1

1. Emergency application can be obtained whenever:

Answer 1

Brake pipe pressure is above 50 psi

Question 2

2. The cut out cock for the control valve is open when the handle is:

Answer 2

crosswise

Question 3

3. Emergency application once started is transmitted rapidly through a train by:

Answer 3

Opening VENT valves in each car

Question 4

4. The A-1 reduction relay valve will vent brake pipe pressure locally during:

Answer 4

service & emergency application

Question 5

5. The primary function of the retaining valve is to:

Answer 5

Control the release of brake cylinder pressure

Question 6

6. Three portions of a 26C control valve are:

Answer 6

Pipe bracket, service portion, emergency portion

Question 7

7. Purpose of the auxiliary reservoir charging check valve is to:

Answer 7

Allow charging from brake pipe to main reservoir if main reservoir supply is not available

Question 8

8. When a passenger car equipped with 26C brake is fully charged to 110 psi, equalization will occur with a brake pipe reduction of:

Answer 8

Passenger cars do not equalize

Question 9

9. The primary function of the decelostat is to:

Answer 9

Control sliding of the wheels

Question 10

10. If the main reservoir supply is damaged, what corrective action must be taken?

Answer 10

Cut out main reservoir cock ahead of damaged car

Question 11

11. How many emergency valves are there on high level cars?

Answer 11

3

Question 12

12. What connects brake pipe to control valve?

Answer 12

Branch pipe cut out cock

Question 13

13. How many truck cut out cocks are there on each Amfleet car?

Answer 13

2

Question 14

14. What is the purpose of the main reservoir?

Answer 14

Store compressed air

Question 15

15. If you have overriding buffer plates, what are the restrictions?

Answer 15

15 mph, 5 mph through turnouts/crossovers

Question 16

16. What action must be taken if a car has under inflated air bellows?

Answer 16

Note it on MAP 21C

Question 17

17. What cars don’t use main reservoir supply pipes?

Answer 17

Heritage

Question 18

18. What speed is allowed with a defective bolster anchor radius rod?

Answer 18

Must not exceed 30 mph

Question 19

19. What is the normal position of the retaining valve?

Answer 19

Down in direct release, EX position

Question 20

20. What are the restrictions on cars with over inflated air bellows?

Answer 20

30 mph, 15 mph through turnouts/crossovers

Question 21

21. If the main reservoir tank is damaged, what action must be taken?

Answer 21

Cut out main reservoir cock ahead of damaged car, cut out control valve (branch pipe cut out cock) and cut out brake cylinders on each truck

Question 22

22. Where does air exhaust on passenger cars?

Answer 22

Relay valve

Question 23

23. With passenger equipment, where does air come from during an emergency application?

Answer 23

Main reservoir

Question 24

24. If brake pipe is damaged beyond repair on a passenger car, what must be done?

Answer 24

Cut out brakes by cutting out control valves on each truck