Cognitive Abilities Flashcards

A ladder truck carries 3 ground ladders: one 14 ft, one 24 ft, and one 35 ft. What is the combined length of all three ladders?

Answer: 73 ft

14 + 24 + 35 = 73 ft.

Which sentence is grammatically correct?

Answer: The captain, along with his crew, was evacuated.

'The captain' is the singular subject, so the verb must be 'was,' not 'were.'

A tanker holds 2,500 gallons. A pumper uses water at 300 gallons per minute. How many minutes until the tanker is empty?

Answer: 8.3 minutes

2,500 ÷ 300 ≈ 8.33 minutes.

Read: 'Backdraft occurs when a smoldering fire in a oxygen-deprived space receives a sudden inflow of air.' Which action could trigger a backdraft?

Answer: Opening a closed door to a sealed, smoldering room

Opening a sealed door introduces oxygen to an oxygen-deprived fire, potentially causing a backdraft.

If 4 firefighters can complete a search of a floor in 12 minutes, how long would the same search take with 6 firefighters (assuming equal work distribution)?

Answer: 8 minutes

Total work = 4 × 12 = 48 person-minutes; 48 ÷ 6 = 8 minutes.

Which word means 'to make worse or more severe'?

Answer: Exacerbate

'Exacerbate' means to make a situation, problem, or condition worse.

A fire station receives calls at an average of 18 calls per day. Approximately how many calls does it receive in a 30-day month?

Answer: 540 calls

18 × 30 = 540 calls.