CDL · Tank vehicles

What is the difference between a bulkhead and a baffle in a liquid tank?

Correct answer: Bulkheads split the tank into separate compartments, while baffles have holes that let liquid through.

Answer options

  1. AThere is no real difference, since both words name the same kind of divider
  2. BBulkheads are meant to stop side-to-side surge, and baffles help balance the load
  3. CBulkheads split the tank into separate compartments, while baffles have holes that let liquid through Correct

Why

A bulkhead is a solid wall that turns one tank into several smaller ones, so you must watch how the weight is spread when filling or emptying them. A baffle is a partition with openings: liquid still passes through it, but its rush toward the front and rear is slowed.

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 Tanks, Baffles and Bulkheads (28 questions). Take the full set and check your score.

Practice Tanks, Baffles and Bulkheads

Practice on your phone.

Practice here in your browser, or use the app with the same questions and explanations. It's free on the App Store.