According to 46 CFR part 95, which of the listed fire extinguishers would be considered hand portable/semi portable and capable of combating a class "B" fire?

Correct Answer: Option D — All of the above

Per 46 CFR Part 95, approved Class B fire extinguishers include specific minimum capacities of foam (2.5 gallons), carbon dioxide (35 pounds), and dry chemical (20 pounds). These sizes satisfy both hand portable and semi-portable classification requirements for combating flammable liquid fires.