CAST Testing Specialized Technologies 5

Question 1

Graphic Arithmetic: a blueprint shows a rectangular room that is 12 feet by 10 feet. What is its floor area?

Accepted Answer

120 square feet

Answer

Multiplying length 12 feet by width 10 feet gives a floor area of 120 square feet.

Question 2

In Mechanical Concepts, which class of lever has the fulcrum located between the effort and the load?

Accepted Answer

First-class lever

Answer

A first-class lever, like a seesaw, places the fulcrum between the applied effort and the load.

Question 3

On the CAST Reading for Information section, a question about the meaning of a word should be answered using what?

Accepted Answer

The context of how the word is used in the passage

Answer

Context clues within the passage reveal the intended meaning of a word as it is used in that specific document.

Question 4

If two pulleys are connected by a belt and the driver pulley spins at 100 RPM, a driven pulley of equal diameter spins at what speed?

Accepted Answer

100 RPM

Answer

Equal-diameter pulleys connected by a belt rotate at the same speed, so the driven pulley also spins at 100 RPM.

Question 5

Graphic Arithmetic: a pressure gauge reads 80 psi, but safe operating pressure is 25 percent lower. What is the safe pressure?

Accepted Answer

60 psi

Answer

Reducing 80 psi by 25 percent (20 psi) gives a safe operating pressure of 60 psi.

CAST Test Practice Test