Practice Exam Flashcards
“The vertical physical separation between the free flowing discharge end of the potable supply line and the overflow rim of the receiving vessel” is the definition of a(an)
Air gap
Any water supply on or available to, a premise in addition to the purveyors approved public water supply is the definition of a (an)?
Auxiliary water supply
A device which contains a float check (poppet), a check set and an air inlet vent is the definition for?
Atmospheric vacuum breaker
a backflow preventer that is designed to be in-line tested and meets the head loss / flow requirements of the recognized approval authority is definition for?
a backflow prevention assembly
A back flow preventer that is not designed for in -line testing is definition for?
a backflow prevention device
What pressure which exceeds the operating pressure of the purveyors potable water supply, is the definition for?
backpressure
The flow of water or other liquids, gases or solids from any source back into the customer’s plumbing system or the water purveyors water distribution system is definition for?
backflow
Backflow due to a negative or reduced pressure within the purveyor’s potable water supply is a definition for
Back siphonage
A loop of piping rising at least 35’ at it’s uppermost point, above the highest point on the downstream, is a definition for
Barometric loop
A device that is drip-tight in the normal direction of flow when the inlet pressure is at least 1 psi / the outlet pressure is atmospheric, is a definition for
A check valve
Any space having a limited means of egress and not intended for continuous occupancy, which is subject to the accumulation of toxic or flammable contaminants or an oxygen deficient atmosphere, is definition for
a confined space
An impairment of the quality of the potable water which creates an actual hazard to the public health through poisoning of through the spread of diseases by sewage, industrial fluids of waste, is defined as?
Contamination
Any actual or potential physical connection bn a potable water line and any pipe, vessel or machine containing a non-potable fluid or has the possibility of containing a non - potable fluid, such that it is possible for the non- potable fluid to enter the water system by backflow, is a definition for?
Cross connection
A facility w/ 2 water systems, one potable and the other non - potable, is a definition for?
A dual distribution system
Untreated household waste water which has not come into contact w/ sewage, is what?
Grey water
A physical or toxic hazard which could be detrimental to one’s health, is a definition for?
Severe hazard
The practice of installing backflow prevention assemblies at the point of hazard to protect one or more actual or potential CC within a premise is?
Internal isolation
A check valve which is internally loaded, by springs or weights, to the extent it will be drip tight w/ a 1 psi differential in the direction of flow, is?
Internally loaded check valve
The practice of installing backflow prevention assemblies to protect an area within a customers facility, is?
Internal isolation
Contaminants which at the levels found in water, could cause aesthetic problems such as adverse effects on taste, odour / colour of the water or have detrimental effects on the quality of the purveyor’s potable water supply, but does not present a danger to health is?
Moderate hazard
A specific agent (bacterium, virus or parasite) causing or capable of causing disease, is?
Pathogen
An impairment of the quality of the public potable water supply which does not create a hazard to the public health but which does adversely affect the aesthetic qualities of such potable waters for domestic use, are?
pollution
Water which is safe for human consumption, free from harmful or objectionable materials, as described by the health authority, is?
Potable water
The practice of protecting the public potable water supply by installing backflow prevention assemblies at or near the point where water enters the premise, is?
Premise isolation
