Free Iowa CDL Tanker Vehicles Practice Test 2023

In your opinion, what is the most important item to check on a tanker? Have good preparation for the Iowa CDL tanker endorsement test before you take the exam! We offer the CDL Tanker Practice Test as an effective way for you to prepare for test day. We have created the Iowa CDL Practice Test that asks the same types of questions as in the real exam based on the official Iowa CDL Manual! Our questions cover tanker safety and inspection, emergency situations, weight distribution, and bulkhead driving. All questions are formatted like the actual questions. The test is designed for you to have exactly the experience of the exam as you will be more familiar with both the test format and the subject. Each question comes with a detailed explanation. Don’t risk failing! Let’s try our CDL practice test today and pass your CDL endorsement exam!

Our CDL practice tests:
Based on 2021 IA commercial driver's license manual
Full answers + detailed explanations
Perfect for first-time, renewal applicants
IA CDL Tanker Vehicles Test format:
20 questions
16 correct answers to pass
80% passing score
List of questions
Where must emergency response information be kept?
When will the emergency brakes come on?
Tank vehicles are more likely to roll over because of liquid movement and:
You must notify _____ of any spills that exceed the RQ.
Antilock brake system is required on all trailers and converter dollies built after what year?
When driving a loaded tank vehicle, you should take curves:
On older vehicles the "tractor protection valve controls" might be called?
Before loading or unloading the tanker, the first thing you should do is:
Baffles in liquid cargo tanks do not usually prevent _______________ surge.
How often should trailer air tanks be drained?
The containment rules instruct _________.
A tank endorsement is required for portable tanks with a capacity of:
What is off-tracking?
When inspecting the pipe connections and hoses for leaks, pay special attention to:
Vehicles should be checked for any leaking because ________.
What size should placards be?
Which of these is the best way to take a curve?
An emergency forces you to stop your tanker quickly or crash. You should:
How would you expect a truck with a baffled cargo tank to handle on the road?
Driving a tank vehicle on wet roads requires: