—Questions and Answers With Verified
Answers and Detailed Rationales
This practice test covers the core knowledge areas commonly assessed for the NYCHA Maintenance Worker
civil service exam: arithmetic and measurement, hand tools and equipment, plumbing, electrical, heating/HVAC,
workplace safety, reading comprehension and following written instructions, and NYCHA procedures /
professional conduct.
Format: Questions and multiple-choice options appear first, organized by section. A complete answer key with
rationale explanations for every question follows in the final section of this document.
, Section 1: Arithmetic & Measurement
1. A maintenance worker replaces 3 ceiling tiles that cost $8.25 each. What is the total cost?
A. $16.50
B. $22.75
C. $24.75
D. $27.25
2. A pipe measures 7 feet 4 inches. How many total inches is this?
A. 82 inches
B. 84 inches
C. 88 inches
D. 90 inches
3. If a work order requires 2 3/4 gallons of paint and each can holds 1 gallon, how many full
cans are needed to have enough paint?
A. 2 cans
B. 3 cans
C. 4 cans
D. 5 cans
4. A storage room is 12 feet long and 9 feet wide. What is its area?
A. 21 sq ft
B. 54 sq ft
C. 108 sq ft
D. 120 sq ft
5. A worker starts a task at 9:15 AM and finishes at 11:50 AM. How long did the task take?
A. 2 hours 5 minutes
B. 2 hours 25 minutes
C. 2 hours 35 minutes
D. 3 hours 5 minutes
6. A box of light bulbs contains 24 bulbs. If 5 boxes are delivered, how many bulbs are there in
total?
A. 100
B. 110
C. 120
D. 125
7. A ladder must reach a window 18 feet above the ground. The base of the ladder is placed 6
feet from the wall. Roughly how long must the ladder be (using the Pythagorean relationship,
rounded)?
, A. 17 feet
B. 19 feet
C. 21 feet
D. 24 feet
8. A supply closet has 3/4 of a case of cleaning solution left. If a full case holds 20 bottles, how
many bottles remain?
A. 12
B. 15
C. 16
D. 18
9. A worker's shift is 8 hours long with one 30-minute unpaid lunch break. If the shift starts at
7:00 AM, when does it end?
A. 3:00 PM
B. 3:30 PM
C. 3:45 PM
D. 4:00 PM
10. A gallon of primer covers approximately 350 square feet. How many gallons are needed to
cover a 1,000 square foot wall?
A. 2 gallons
B. 3 gallons
C. 4 gallons
D. 5 gallons
11. A worker uses 3 feet of pipe from a 10-foot length. How much pipe is left?
A. 6 feet
B. 7 feet
C. 8 feet
D. 9 feet
12. If a filter needs to be replaced every 90 days, approximately how many times per year
should it be replaced?
A. 2 times
B. 3 times
C. 4 times
D. 6 times
13. A worker mixes cleaning solution at a ratio of 1 part concentrate to 4 parts water. How
many ounces of concentrate are needed for 20 ounces of water?
A. 4 ounces
B. 5 ounces
C. 6 ounces
D. 8 ounces