Friday, September 15, 2017

CDL Tank Vehicle Endorsement - Exam 4 - 36 Questions

Tank Vehicle Endorsement
EXAM 4

By Gary Boutin

1. What is the reason that food products not be carried in tanks with baffles:

a. For sanitary reasons.
b. Because it damages the product.
c. For safety reasons.
d. For all of these reasons.

2. When driving a tank vehicle you should
:

a. Increase your following distance.
b.   Keep your following distance the same.
c.   Decrease your following distance.
d.   Any of these depending on circumstances.

3. Which of these statements is most accurate
:

a.   All tank vehicles are different.
b.   Tank vehicles are the same as other commercial vehicles.
c.   All tank vehicles are the same.
d.   All tank vehicles are roughly the same.

4. As you approach a curve, you should
:

a.   Maintain your speed.
b.   Accelerate slightly.
c.   Any of these depending on circumstances.
d.   Slow down.

5. For tank vehicles, emergency equipment
:

a.   Will be the same for all types.
b.   Will be the same as for any other commercial vehicle.
c.   Is not required.
d.   Will be different for each type of vehicle.

6. As you drive through a curve, you should
:

a.   Accelerate slightly.
b.   Any of these depending on circumstances.
c.   Slow down slightly.
d.   Maintain a constant speed.

7.  To avoid skids
when driving a tank vehicle, you must make sure that you do not:

a.   Over-steer.
b.   Over-brake.
c.   Over-accelerate.
d.   All of the above.

8. Under what circumstances can you load a cargo tank totally full
:

a.   None.
b.   If only taking a short trip.
c.   If it is the only way you can match the amount to the shipping manifest.
d.   If it is cold outside.

9. To control surge, your braking should be characterized by
:

a.   Steady pressure.
b.   Light pressure.
c.   Heavy pressure.
d.   Variable pressure.

10. When driving tank vehicles, you should be extra careful to drive
:

a.   Passively.
b.   Aggressively.
c.   Smoothly.
d.   Timidly.

11. In tanks with bulkheads, you must be careful about
:

a.   Weight distribution.
b.   Leaks.
c.   Surge.
d.   All of the above.

12. You should be particularly careful when loading dense vehicles like acids, because
:

a. They evaporate more than others.
b. They may exceed the vehicle weight limit.
c. They expand more than others.
d. All of the above.

13. When driving a smooth bore tank, you should be particularly cautious
:

a.   Stopping and starting.
b.   On curves.
c.   At tollbooths.
d.   On high-speed highways.

14. Which of these tanks is likely to have the strongest forward and back surge
:

a.   A bulkhead tank.
b.   A baffled liquid tank.
c.   A smooth bore tank.
d.   They will all be the same.

15. Compared to a normal commercial vehicle, when you make lane changes in a tank vehicle you should take
:

a.   A shorter distance.
b.   The same distance.
c.   A longer distance.
d.   Any of these depending on circumstances.

16. The outage requirements are
:

a.   The same for every liquid within a 1% margin.
b.   The same for every liquid within a 5% margin.
c.   The same for every liquid.
d.   Different for every liquid.

17. When a tank vehicle starts to skid, your first priority should be
:

a.   To steer out of it.
b.   To restore traction.
c.   To accelerate out of it.
d.   To apply the brakes.

18. When driving a tank vehicle, you should remember that wet roads will increase the normal stopping distance by
:

a.   50 %.
b.   75 %.
c.   100 %.
d.   120 %.

19. Baffled liquid tanks can be subject to
:

a.   Back to front surge.
b.   Side to side surge.
c.   Any of these.
d.   Front to back surge.

20. The amount of liquid you load into a tank depends upon
:

a.   The weight of the liquid.
b.   Legal weight limits.
c.   The amount the liquid will expand in transit.
d.   All of these factors.

21. When braking in a tank vehicle, you should make sure that you do not
:

a.   Apply the brakes too soon.
b.   Release the brakes too soon.
c.   Keep pressure constant.
d.   Brake well in advance.

22. When braking in a tank vehicle, you should be particularly careful not to
:

a.   Steer to the left.
b.   Steer at all.
c.   Steer quickly.
d.   Steer slowly.

23. Which of these will take the longest to stop
:

a.   A full tank vehicle.
b.   An empty tank vehicle.
c.   They are all the same.
d.   A half full tank vehicle.

24. Which of these products is most likely to be carried in a smooth bore tank
:

a.   Milk.
b.   Fertilizer.
c.   Petroleum.
d.   Liquid concrete.

25. Outage is describes as the room you must allow for
:

a.   Liquids to contract.
b.   All of these things.
c.   Liquids to expand.
d.   Liquids to evaporate.

 26. Liquid in a tank with baffles can have a surge in what direction:

a. Side to side.
b. Front to back.
c. No surge. Baffles prevent surge from any direction.
d. Top to bottom.

27. How should you check a tank for any spills
:

a. Check the intake, discharge and cut-off valves.
b. Check the tank's body (or shell) for dents or leaks.
c. Check pipes, connections and hoses.
d. None of the above.

28. Vehicles should be checked for any leaking because ________
:

a. Leaks affect how quickly the vehicle accelerates.
b. It is illegal to carry liquids or gases in a leaking tank.
c. Leaks may lengthen your trips.
d. None of the above.

29. Why does hauling liquids in tanks require special skills
:

a. Tanks that carry liquids have more controls.
b. Liquid is significantly heavier than solids.
c. Low center of gravity.
d. High center of gravity and liquid's movement.

30. Un-baffled liquid tankers are sometimes called __________
:

a. Edge less tanks.
b. Smooth-bore tanks.
c. Smooth-bare tanks.
d. Slick tanks.

31. A liquid tank that has no baffles typically transports which of the following most often
:

a. Milk or food products.
b. Gasoline.
c. Radioactive liquids.
d. Liquid gas.

32. You should you be careful when driving a smooth bore tank during the ________
:

a. Winter.
b. Wind.
c. Starting or stopping.
d. None of the above.

33. The _________ should help you determine how much liquid to load into a tank
:

a. The amount the liquid will expand in transit.
b. The weight of the liquid.
c. Legal weight limits.
d. All of the above.

34. To decide which placards to use, you should know _______
:

a. The total weight of all classes of hazardous materials in your vehicle.
b. The amount of hazardous materials shipped.
c. The hazard class of materials.
d. All of the above.

35. When should you inspect your vehicle when you are transporting hazardous materials
:

a. You shouldn't inspect your vehicle.
b. Only during bad weather.
c. The first time you make a trip only.
d. Before and during each trip.

36. The person in charge of loading and unloading a cargo tank must be sure a qualified person is always watching. This person must be within how many feet of the tank
:

a. 25-ft.
b. 50-ft.
c. 35-ft.
d. 30-ft.

Answers:

1. a
2. a
3. a
4. d
5. d
6. a
7. d
8. b
9. a
10. c
11. a
12. b
13. a
14. c
15. c
16. d
17. b
18. c
19. b
20. a
21. b
22. c
23. b
24. a
25. c
26. a
27. d
28. b
29. d
30. b
31. a
32. c
33. d
34. d
35. d
36. a

Questions 1 to 36 were obtained from Free DMV Practice Tests.

Note: All the test have duplication questions sometimes with different wording. Some tests more than other, because the DMV want to make sure you understand these area of the commercial driving exams.

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