When is it necessary to ground the trailer?
When filling or unloading any flammable liquid tank. Ground must be maintained until filling hole is properly closed.
The indexed versions don't agree on this one
This question appears on 12 CBT versions we've indexed, and they don't all give the same answer. Exam editions change and answer keys get re-cut, so more than one of these was correct on the test it came from. Here is each of them, and how many versions give it.
When filling or unloading any flammable liquid tank. Ground must be maintained until filling hole is properly closed.
A Safe Haven Is Hazmat · Cdl Hazmat Practice Test · Hazmat Practice · +7 more
a. Only when filling a trailer with explosives. b. When filling or unloading any flammable liquid tank. Ground must be maintained until filling hole is properly closed. c. Only when unloading a cargo tank filled with any flammable liquid. d. None of the above. B
Lion Hazmat Training Answers · Lions Hazmat Training
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