EIAT and NEIEP Test EIAT Numerical 4 — Questions and Answers
Question 1: A contractor purchases 12 boxes of connectors at $14.75 each and 8 boxes of wire nuts at $6.25 each. What is the total cost?
- $222.00
- $227.00 (Correct answer)
- $232.00
- $237.00
Correct answer: $227.00
12 × $14.75 = $177 + 8 × $6.25 = $50; total = $227.00.
Question 2: A rectangular electrical room is 18 ft long and 12 ft wide. What is the floor area in square feet?
- 196 sq ft
- 206 sq ft
- 216 sq ft (Correct answer)
- 226 sq ft
Correct answer: 216 sq ft
Area = 18 × 12 = 216 sq ft.
Question 3: A wire has a resistance of 0.006 ohms per foot. What is the total resistance of a 250-foot run?
- 1.2 ohms
- 1.4 ohms
- 1.5 ohms (Correct answer)
- 1.8 ohms
Correct answer: 1.5 ohms
0.006 × 250 = 1.5 ohms.
Question 4: An electrician has 3/4 of a job completed. If the full job takes 48 hours, how many hours remain?
- 10 hours
- 12 hours (Correct answer)
- 14 hours
- 16 hours
Correct answer: 12 hours
48 × 3/4 = 36 hours done; 48 − 36 = 12 hours remaining.
Question 5: If 5 outlets cost $47.50, what is the cost of 18 outlets at the same rate?
- $161.00
- $168.00
- $171.00 (Correct answer)
- $175.50
Correct answer: $171.00
$47.50 ÷ 5 = $9.50 each; 18 × $9.50 = $171.00.
Question 6: A motor uses 6.5 kWh of electricity per hour of operation. How many kWh does it consume in a 40-hour work week?
- 240 kWh
- 250 kWh
- 260 kWh (Correct answer)
- 270 kWh
Correct answer: 260 kWh
6.5 × 40 = 260 kWh.
Question 7: A piece of conduit is cut from a 10-foot length. After removing 3 ft 8 in, how many inches remain?
- 74 inches
- 76 inches (Correct answer)
- 78 inches
- 80 inches
Correct answer: 76 inches
10 ft = 120 in; 3 ft 8 in = 44 in; 120 − 44 = 76 in.
A contractor purchases 12 boxes of connectors at $14.75 each and 8 boxes of wire nuts at $6.25 each.
What is the total cost?