EIAT and NEIEP Test EIAT Numerical 3 β Questions and Answers
Question 1: A blueprint scale is 1/4 inch = 1 foot. A wall measures 3.5 inches on the blueprint. What is the actual wall length?
- 10 ft
- 12 ft
- 14 ft (Correct answer)
- 16 ft
Correct answer: 14 ft
3.5 Γ· 0.25 = 14 ft actual length.
Question 2: If wire costs $0.18 per foot and a project needs 850 feet, what is the total cost?
- $143.00
- $148.50
- $153.00 (Correct answer)
- $158.50
Correct answer: $153.00
850 Γ $0.18 = $153.00.
Question 3: A circular junction box has a diameter of 4 inches. What is the approximate area of its face in square inches? (Use Ο β 3.14)
- 9.42 sq in
- 10.56 sq in
- 12.56 sq in (Correct answer)
- 14.28 sq in
Correct answer: 12.56 sq in
Radius = 2 in; area = Ο Γ rΒ² = 3.14 Γ 4 = 12.56 sq in.
Question 4: An apprentice works Monday through Friday. He works 7.5 hours on Monday, 8 hours each on Tuesday and Wednesday, 6.5 hours on Thursday, and 9 hours on Friday. What is his total weekly hours?
- 38 hours
- 39 hours (Correct answer)
- 39.5 hours
- 40 hours
Correct answer: 39 hours
7.5 + 8 + 8 + 6.5 + 9 = 39 hours.
Question 5: A 120V circuit draws 15 amps. What is the power consumption in watts?
- 1,600 W
- 1,700 W
- 1,800 W (Correct answer)
- 1,900 W
Correct answer: 1,800 W
Power = Voltage Γ Current = 120 Γ 15 = 1,800 W.
Question 6: If a 100-foot coil of wire weighs 12.5 pounds, how much would 350 feet weigh?
- 40.25 lbs
- 42.75 lbs
- 43.75 lbs (Correct answer)
- 45.00 lbs
Correct answer: 43.75 lbs
Rate = 12.5/100 = 0.125 lb/ft; 350 Γ 0.125 = 43.75 lbs.
Question 7: A job budget is $18,000. After purchasing materials for $7,450 and paying labor of $6,875, what percentage of the budget remains?
- 19.3%
- 20.4% (Correct answer)
- 21.5%
- 22.6%
Correct answer: 20.4%
Spent = $14,325; remaining = $3,675; $3,675 Γ· $18,000 β 20.4%.
A blueprint scale is 1/4 inch = 1 foot.
A wall measures 3.5 inches on the blueprint.
What is the actual wall length?