Plant Operator Selection System Test POSS: Mathematical Usage 2

Question 1

A pump moves 240 gallons of water in 8 hours. How many gallons does it move per hour?

Accepted Answer

30 gallons

Answer

240 ÷ 8 = 30 gallons per hour.

Question 2

A tank holds 5,000 liters. It is currently 35% full. How many liters are in the tank?

Accepted Answer

1,750 liters

Answer

5,000 × 0.35 = 1,750 liters.

Question 3

If a valve is opened 3/8 of the way and then opened an additional 1/4, what fraction of the way is it open?

Accepted Answer

5/8

Answer

3/8 + 1/4 = 3/8 + 2/8 = 5/8.

Question 4

A worker earns $18.50 per hour and works 9 hours in one shift. What is the total pay for that shift?

Accepted Answer

$166.50

Answer

$18.50 × 9 = $166.50.

Question 5

A container is 72 inches tall. How tall is it in feet?

Accepted Answer

6 feet

Answer

72 ÷ 12 = 6 feet.

Plant Operator Selection System Test Practice Test