Chapter 11

Question 1

Porosity

Answer 1

extent at which material can absorb liquid

Question 2

Resiliency

Answer 2

material can react to shock without cracking or breaking

Question 3

Coving

Answer 3

curved sealed edge placed between the floor and the wall to eliminate sharp corners or gaps

Question 4

NSF

Answer 4

organization that creates national standards : equipment must be non absorbent, corrosion resistant, and smooth.

Question 5

potable

Answer 5

drinkable water. May come from approved public water mains, private water sources that are regularly tested, closed containers, and water transport vehicles

Question 6

booster heater

Answer 6

maintains water at a temp required for sanitation

Question 7

cross-connection

Answer 7

physical link between safe and dirty water

Question 8

backflow

Answer 8

reverse flow of contaminants through cross connection into water supply

Question 9

Backsiphonage

Answer 9

high water use in one area creates a vacuum in the pluming system and sucks contaminates back in

Question 10

Vacuum Breaker

Answer 10

mechanical device that prevents backisphonage

Question 11

air gap

Answer 11

separates a water supply outlet from potentially contaminated source

Question 12

requirements for a handwashing station

Answer 12

1) hot and cold running water
2) soap
3) a way to dry hands
4) garbage container
5) signage