Use the chart below to find the relative humidity. Subtract wet-bulb temperature from the dry-bulb temperature, and then compare the difference to the dry-bulb temperature on the chart to arrive at the
relative humidity.
Difference between wet-bulb and dry-bulb temperatures (°C)

7. Given the dry bulb temperature is 24°C and the wet bulb temperature is 22 °C, what is the relative
humidity?
8. Given the dry bulb temperature is 30°C and the wet bulb temperature is 22 °C, what is the relative

nec chapter 5 contains

c. information on special occupancy areas

nec chapter 6 covers

a. special equipment

which of the following rules contain the words shall or shall not and must be adhered to?

b. mandatory rules

which of the following rules identify actions that are allowed but not required and typically cover options or alternative methods?

c. optional rules

which of the following serves as the introduction to the nec and provides an overview of the book?

a. nec article 90

organizations that test products for safety are

c. nrtls

the nec is published by the

a national fire protection association

the nec is divided into

b. 9 chapters

the nec provides informative annexes for

c. informational materials and examples

two terms from nec article 100 that trainees should become familiar with are

b. labeled and listed

explanation: