EIAT Measurement and Conversion 4

Question 1

A motor runs at 1,750 RPM. How many revolutions does it complete in 10 seconds?

Accepted Answer

291.7 rev

Answer

1,750 RPM ÷ 60 s/min × 10 s = 291.7 revolutions.

Question 2

A tension spring stretches 3.175 cm under load. What is this measurement in millimeters?

Accepted Answer

31.75 mm

Answer

3.175 cm × 10 mm/cm = 31.75 mm.

Question 3

An elevator rises 240 feet in 20 seconds. What is its speed in feet per minute?

Accepted Answer

720 fpm

Answer

240 ft ÷ 20 s × 60 s/min = 720 feet per minute.

Question 4

A sump pit holds 8.5 cubic feet of water. How many gallons is that? (1 cu ft ≈ 7.48 gal)

Accepted Answer

63.6 gal

Answer

8.5 cu ft × 7.48 gal/cu ft ≈ 63.6 gallons.

Question 5

A buffer spring is compressed 4 inches under a test load. Express this in centimeters. (1 in = 2.54 cm)

Accepted Answer

10.16 cm

Answer

4 in × 2.54 cm/in = 10.16 cm.

EIAT - Elevator Industry Aptitude Test Practice Test