a potassium bicarbonate (pkp) portable extinguisher is intended for use primarily on what class of fire?

a) charlie
b) alpha
c) delta
d) bravo

Question

a potassium bicarbonate (pkp) portable extinguisher is intended for use primarily on what class of fire?

a) charlie
b) alpha
c) delta
d) bravo

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "direct_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Navy Firefighting Equipment" ], "new_concepts": [], "current_concepts": [ "Navy Firefighting Equipment", "Shipboard Damage Control" ] } ## Identify the primary use of PKP extinguishers $$ \text{PKP} = \text{Purple-K-Powder} = \text{Potassium Bicarbonate} $$ $$ \text{Primary target} = \text{Class Bravo (flammable liquid) fires} $$ ## Verify alternative classes $$ \begin{aligned} &\text{Class Alpha: Wood, paper, trash (Water is primary)} \ &\text{Class Charlie: Electrical (CO2 is primary)} \ &\text{Class Delta: Combustible metals (Special agents/sand)} \end{aligned} $$ ## Match with options $$ \text{Class Bravo} ightarrow \text{Option D} $$

A) Charlie

B) Alpha

C) Delta

D) Bravo

{ "subject": "Others", "question_type": "Multiple Choice", "knowledge_point": [ "Others", "Military Science", "Navy Firefighting Equipment" ] }

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QUESTION IMAGE

Question

Explanation:

Identify the primary use of PKP extinguishers

Verify alternative classes

Match with options

Answer: