CH 12 NEHA REHS/RS BOOK Exam and All Correct Answers.

CH 12 NEHA REHS/RS BOOK Exam
and All Correct Answers.


Which of the following products is not a traditional formaldehyde air pollution source?

A- Cosmetics

B- Burning vegetation

C- Particle board

D- Computer emissions - Answer B- Burning vegetation



The drain line of an ice machine should connect to the sewer system through a/an:

A- Hydrostatic valve

B- Indirect connection below the ground

C- Open receptacle with an air gap

D- Hydroduric valve - Answer C- Open receptacle with an air gap



Cross-connection controls include air gaps, backflow preventers, vacuum breakers, and:

A- Gate Valves

B- Indirect Waste Piping

C- Air Vents

D- Bypass Valves - Answer B- Indirect Waste Piping



Vent gasses from a coal-burning furnace combined with high moisture inside a chimney will
form:

A- A glass-like glaze

B- Hydrochloric acid

C- Sodium Chloride

D- Sulfuric Acid - Answer D- Sulfuric Acid



What is the PRIMARY cause of death resulting from automobile exhaust accumulation in
garages?

A- Methane

B- Ethylene dioxide

C- Carbon monoxide

D- Tetraethyl lead - Answer C- Carbon monoxide