EIAT Fractions and Decimals Computation 4

Question 1

A job requires 4 2/3 hours. A worker completes 1 1/3 hours. How much time remains?

Accepted Answer

3 1/3 hours

Answer

4 2/3 − 1 1/3 = 3 1/3 hours.

Question 2

A decimal torque reading is 14.625 ft-lbs. Expressed as a mixed number, this is:

Accepted Answer

14 5/8 ft-lbs

Answer

0.625 = 625/1000 = 5/8, so 14.625 = 14 5/8 ft-lbs.

Question 3

If 3/5 of the elevator's travel time is spent ascending, what fraction is spent descending?

Accepted Answer

2/5

Answer

1 − 3/5 = 2/5 of time is spent descending.

Question 4

A hydraulic cylinder extends 0.045 inch per psi. How far does it extend at 200 psi?

Accepted Answer

9.0 inches

Answer

0.045 × 200 = 9.0 inches.

Question 5

A mechanic uses 2/3 of a box of grease cartridges containing 12 cartridges. How many cartridges were used?

Accepted Answer

8

Answer

2/3 × 12 = 8 cartridges.

EIAT - Elevator Industry Aptitude Test Practice Test