CDL · Tank vehicles
Why do you need to know how much outage each liquid you haul requires?
Correct answer: Certain liquids expand more than others as they warm up.
Answer options
- AVery heavy liquids can be loaded with no outage at all
- BBaffles may be illegal in a tank that has outage
- CCertain liquids expand more than others as they warm up Correct
Why
Every liquid swells as its temperature rises, but not by the same amount. Knowing the outage each product needs lets you leave enough empty space for that growth, so the cargo does not spill out or put the tank under excess pressure.
About this question
Topic: Tank vehicles License: CDL
Part of these practice sets:
Where it applies: Asked in every state.
Practice the whole set
This question is part of Tank Inspection, Loading and Outage (20 questions). Take the full set and check your score.
Practice Tank Inspection, Loading and OutageMore questions from Tank Inspection, Loading and Outage
- During loading or unloading of a cargo tank, the person in charge must remain no farther from the tank than:
- When talking about tank vehicles, what does the term "outage" mean?
- At what points should a tank vehicle be inspected?
- When deciding how much liquid to put into a cargo tank, a driver must take into account:
- What could keep you from filling a tanker all the way to capacity?
- On a compressed gas tank, when must the liquid discharge valves be kept closed?
- Your cargo tank is divided by bulkheads into smaller tanks. What must you keep an eye on as you fill them?
- When a tank is filled to capacity with a dense, heavy liquid, what should the driver be aware of?
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