IST Applied Mathematics 3

Question 1

A conveyor belt moves at 4 feet per second. How many feet does it travel in 2 minutes?

Accepted Answer

480 ft

Answer

2 minutes = 120 seconds; 4 ft/s × 120 s = 480 feet.

Question 2

A blueprint scale is 1 inch = 4 feet. If a wall measures 3.5 inches on the blueprint, how long is the actual wall?

Accepted Answer

14 ft

Answer

3.5 inches × 4 feet/inch = 14 feet for the actual wall length.

Question 3

An order requires 3/4 of a roll of wire. If the full roll is 200 feet, how many feet are needed?

Accepted Answer

150 ft

Answer

3/4 × 200 feet = 150 feet of wire needed.

Question 4

A worker completes a job in 6 hours. At $22/hour, plus a $15 materials cost, what is the total charge?

Accepted Answer

$147

Answer

(6 × $22) + $15 = $132 + $15 = $147 total charge.

Question 5

A square platform is 12 feet on each side. What is its perimeter?

Accepted Answer

48 ft

Answer

Perimeter of a square = 4 × side = 4 × 12 = 48 feet.

IST - Industrial Skills Test Practice Test