Home

  • DC Car Tests
  • DC Motorcycle Tests
  • DC CDL Tests
  • DC Driver Manuals

Washington DC CDL Practice Test: Tank - Test 3 2020

(From the 2020 Washington DC CDL Handbook)
Number of tests: 31
Number of questions: 30
Passing score: 80

Directions: To obtain this endorsement for hauling any liquid or gaseous materials in a tank or tanks, applicants must pass a 15-question test. And to pass the test, applicants must score at least 80%. Test questions are from the Washington DC Commercial Driver Handbook. The Tanker Vehicles endorsement can be used with the Class A, B, or C CDL. If you need additional information, please contact your local DMV office. You can find your nearest DMV office at Washington DC DMV locations.

You have made error(s) so far.
Your Challenge Library: 0

1. Some liquid tanks are divided into several smaller tanks by ________.

2. To prevent roll overs, drivers of combination vehicles should avoid ________.

3. How should you check a tank for any spills?

4. What can cause a decrease in air pressure?

5. How should you expect a tank that has baffles to ride in comparison to a tank without?

6. Baffles in liquid cargo tanks do not usually prevent the liquid surge movement from _______.

Your Progress

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30

RATE THIS TEST


4.4 OUT OF 5.0
BASED ON 354 VOTES