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200+ Free Chicago Firefighter Practice Questions

Chicago Fire Department (CFD) Firefighter/EMT Examination practice questions are available now; exam metadata is being verified.

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ArticleCivil Service Basic Skills Exam Guide 20269 min read
2026 Statistics

Key Facts: Chicago Firefighter Exam

6 areas

Cognitive Skill Areas Plus SJT

CFD test prep analysis (JobTestPrep)

$30

Application/Exam Fee (historical)

City of Chicago DHR CFD FAQ

Pass/fail

Scoring (cut score not disclosed)

City of Chicago / Chicago Fire Department

Lottery

Randomized Selection to Sit the Exam

City of Chicago CFD recruitment

18 yrs

Minimum Age by Written Exam Date

City of Chicago CFD job requirements

38 yrs

Maximum Appointment Age (MCC 2-152-410)

Municipal Code of Chicago

The Chicago Fire Department Firefighter/EMT Examination is the City of Chicago's cognitive ability written test, covering numerical reasoning, reading comprehension, mechanical aptitude, spatial orientation, and general knowledge plus a situational judgement test. The City has historically charged a $30 non-refundable fee. The exam is pass/fail; CFD does not disclose the official cut score, though prep sources cite a threshold near 68%. Candidates are selected to test by randomized lottery.

Sample Chicago Firefighter Practice Questions

Try these sample questions to test your Chicago Firefighter exam readiness. Each question includes a detailed explanation. Start the interactive quiz above for the full 200+ question experience with AI tutoring.

1A fire engine carries 500 gallons of water in its onboard tank. During an attack, the crew flows water at 125 gallons per minute. If no external supply is connected, how long will the onboard tank last?
A.4 minutes
B.5 minutes
C.6 minutes
D.3 minutes
Explanation: Divide total water by flow rate: 500 gallons / 125 gallons per minute = 4 minutes. This kind of rate problem is exactly the word-problem format used in the CFD numerical reasoning section, where you locate the numbers in the text and apply a single operation.
2A ladder truck responds to 18 calls on Monday, 22 on Tuesday, and 14 on Wednesday. What is the average number of calls per day over these three days?
A.16
B.18
C.20
D.17
Explanation: Add the values and divide by the number of days: (18 + 22 + 14) / 3 = 54 / 3 = 18. Averaging a small data set is a common CFD numerical reasoning task that rewards careful addition before dividing.
3A section of fire hose is 50 feet long. A crew needs to stretch a line 275 feet from the engine to the building. What is the minimum number of 50-foot sections required?
A.5 sections
B.6 sections
C.7 sections
D.4 sections
Explanation: 275 / 50 = 5.5 sections, but you cannot use a half section, so you round up to 6 to reach the full distance. Rounding up to cover a need (rather than rounding to the nearest whole number) is a frequent twist in firefighter math problems.
4A firefighter's full protective ensemble weighs 45 pounds, and a charged hoseline adds another 25 pounds of weight to carry. If the firefighter already carries an 8-pound tool, what total extra weight is being carried beyond the firefighter's body weight?
A.70 pounds
B.78 pounds
C.62 pounds
D.53 pounds
Explanation: Sum all added weights: 45 + 25 + 8 = 78 pounds. The CFD numerical section presents multi-step addition embedded in realistic job scenarios, so you must include every quantity mentioned.
5An engine company responded to 240 calls last year. This year the number of calls increased by 15 percent. How many calls did the company respond to this year?
A.255
B.276
C.264
D.288
Explanation: Find 15 percent of 240 (0.15 x 240 = 36) and add it to the original: 240 + 36 = 276. Percentage increase problems are common, and you must add the increase to the base rather than reporting the increase alone.
6A water tank is rectangular, measuring 8 feet long, 5 feet wide, and 4 feet deep. What is its volume in cubic feet?
A.160 cubic feet
B.120 cubic feet
C.180 cubic feet
D.100 cubic feet
Explanation: Volume of a rectangular box equals length x width x height: 8 x 5 x 4 = 160 cubic feet. Geometry problems on the CFD test provide the needed formula or rely on a basic shape, so the work is multiplication once the dimensions are identified.
7A firefighter shift runs 24 hours on duty followed by 48 hours off duty. Over a 9-day period starting at the beginning of an on-duty shift, how many full 24-hour on-duty shifts does the firefighter work?
A.2 shifts
B.3 shifts
C.4 shifts
D.5 shifts
Explanation: Each cycle is 24 on + 48 off = 72 hours = 3 days. In 9 days there are exactly three complete 72-hour cycles, so the firefighter works 3 on-duty shifts. Translating a schedule into cycles is a logical numerical task on the exam.
8A pump discharges 750 gallons of water in 6 minutes. At this constant rate, how many gallons will it discharge in 10 minutes?
A.1,150 gallons
B.1,250 gallons
C.1,100 gallons
D.1,300 gallons
Explanation: Find the per-minute rate (750 / 6 = 125 gallons per minute), then multiply by 10: 125 x 10 = 1,250 gallons. Proportional reasoning over time is a core skill the CFD numerical section measures.
9A fire station orders supplies costing $42.50, $18.75, and $63.25. How much change is returned from a $150 payment?
A.$25.50
B.$24.50
C.$26.50
D.$23.50
Explanation: Add the costs (42.50 + 18.75 + 63.25 = 124.50) and subtract from 150: 150 - 124.50 = 25.50. Money word problems require accurate decimal addition before the final subtraction.
10A response route is 12 miles long. A fire apparatus travels the route at an average speed of 36 miles per hour. How many minutes does the trip take?
A.15 minutes
B.20 minutes
C.18 minutes
D.24 minutes
Explanation: Time equals distance divided by speed: 12 / 36 = 1/3 hour, and 1/3 of 60 minutes is 20 minutes. Converting a fractional hour into minutes is a frequent step in CFD distance-rate-time problems.

About the Chicago Firefighter Practice Questions

Verified exam format metadata for Chicago Fire Department (CFD) Firefighter/EMT Examination is pending. The practice questions above remain available while official exam length, timing, passing score, fee, and administrator details are reviewed.