Iowa CDL Practice Test: Tank - Test 5 2022

Based on 2022 IA CDL Handbook
Number of questions: 28
Passing score: 80%
Acceptable number of errors: 5

Instruction: 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 Iowa 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 Iowa DMV locations.

1. How many digits are identification numbers of hazardous materials?
A
Four.
B
Six.
C
Ten.
D
Eight.
E
Three.
1 / 28
Progress
0
Errors
Next
Next