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

3 2/3 hours

Answer

3 hours

Answer

3 1/6 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

14 3/4 ft-lbs

Answer

14 1/2 ft-lbs

Answer

14 7/8 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

Answer

1/5

Answer

3/5

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

8.5 inches

Answer

9.5 inches

Answer

10.0 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

6

Answer

9

Answer

10

Question 6

Two elevator cables are 18.75 feet and 22.5 feet long. What is the total length?

Accepted Answer

41.25 feet

Answer

40.75 feet

Answer

41.5 feet

Answer

40.25 feet

Question 7

A counterweight is 7/10 of the car weight plus half the capacity load. If car weight is 2,000 lbs and half capacity is 500 lbs, the counterweight is:

Accepted Answer

1,900 lbs

Answer

2,000 lbs

Answer

1,800 lbs

Answer

2,100 lbs