Ch. 11 - Plumbing Flashcards
The reason to prevent backflow in kitchen equipment is to:
Prevent contamination of potable water and equipment.
In order to prevent backup of sewage waste in a culinary sink, which of the following must be installed?
An air break
An air break provides indirect waste for sinks. What is the benefit of the indirect waste at culinary sinks?
It prevents sewage from reaching the sinks.
The most reliable form of backflow prevention device is a/an:
Air gap
Which of the following combination of fixtures must be fitted with an air break?
Pot wash and culinary sinks.
Backflow may cause contamination of drinking water. Backflow may occur when which of the following is present?
A cross connection
Backflow may cause contamination of drinking water. Backflow may occur when which of the following is present?
A cross connection
To prevent backflow at the hose attachment of an equipment sink, which of the following must be installed?
Hose-bib vacuum breaker
An example of a SUBMERGED INLET is:
A hose with one end connected to a faucet and the other end underwater.
