CAST Aptitude 5

Question 1

A pipe is cut into 4 equal pieces from a 30-foot length. How long is each piece?

Accepted Answer

7.5 feet

Answer

30 / 4 = 7.5 feet per piece.

Question 2

Which material is the best electrical conductor?

Accepted Answer

Copper

Answer

Copper conducts electricity well, while the others are insulators.

Question 3

A tank holds 480 gallons and drains at 8 gallons per minute. How long to empty it?

Accepted Answer

60 minutes

Answer

480 / 8 = 60 minutes.

Question 4

On an inclined plane, raising the ramp's steepness will:

Accepted Answer

Require more effort to push a load up

Answer

A steeper ramp reduces mechanical advantage, so more effort is needed.

Question 5

What is the perimeter of a square with 7-foot sides?

Accepted Answer

28 feet

Answer

A square has four equal sides: 4 x 7 = 28 feet.

CAST Test Practice Test