Ch. 12 multiple choice
A ____ flushometer valve is a flushometer valve in which a relief valve diaphragm within the valve body discharges water to a fixture by equalizing pressure on both sides of the valve A. diaphragm B. electronic C. relief valve D. pressure equalizing
A
A _____ handle is an ADA compliant faucet handle that does not require tight grasping or twisting of the wrist to properly operate the faucet A. wrist blade B. wingblade C. wing knob D. flat knob
A
Superheated water is water under pressure that is heated above ____f without becoming steam A. 212 B. 225 C. 282 D. 312
A
When a port control faucet is in the OFF position, the cam is _____. A. fully inserted in the rubber sleeve B. completely withdrawn from the rubber sleeve C. aligned with the cold water port D. aligned with the hot water port
A
A ____ is an electric appliance supplied with water which grinds food waste into pulp and discharges the pulp into the drainage system A. trash compacter B. food waste disposer C. juicer D. food grinder
B
A _____ faucet is a single handle noncompression faucet that contains ports for the hot and cold water supply and a cartridge or ceramic disc tat opens and closes the ports as the faucet handle is moved or rotated. A. concealed B. port control C. cartridge D. centerset
B
ADA compliant kitchen sinks feature a shallow bowl with the drain opening offset to the ____ A. front B. back C. left D. right
B
Combination waste and overflow fittings are manufactured from plastic or ____ tubing A. copper B. brass C. cast iron D. steel
B
Water expands approximately ____% in volume for every 100f of temperature increase A. 1.25 B. 2.5 C. 2.75 D. 3.25
B
____ is a synthetic resin bead used as the ion exchange medium in the ion exchange process to remove dissolved minerals from water A. Polystyrene B. zeolite C. nylon D. neoprene
B
A ____ automatic water softner is a water softner that has a mineral tank within the brine tank and is the most common automatic water softner A. two tank B. closet C. cabinet D. single tank
C
A ____ drain is a cast iron or plastic plumbing fixture set flush with the finished floor used to receive water drained from the floor and convey it into the drainage system A. rainwater B. sewer C. floor D. none of the above
C
A ____ filter removes up to 99% of the undesireable elements in a water supply including lead, mercury. copper, pesticides, herbicides, nitrates and tannins. A. carbon B. ionic C. reverse osmosis D. charcol
C
A ____ is located at the bottom of a water heater storage tank A. cold water inlet B. relief valve opening C. drain valve D. hot water inlet
C
A ____ or shock absorber is a device installed on water supply pipe near the fixture with the quick closing valve to control the effects of water hammer A. pressure buffer B. pressure relief valve C. water hammer arrestor D. thermal expander
C
A _____ is the surface area of the water in the water closet bowl when a flush is completed A. cold water port B. hot water port C. water spot D. none of the above
C
A water resistant _____ backing must be installed behind multipiece and cermic tile showers. A. drywall B. plaster C. cement wallboard D. masonary
C
Floor drains with integral p traps are typically installed ____ ground level in buildings A. at B. above C. below D. all of the above
C
Some plumbing codes require installing a ____ fitting in discharge piping from domestic dishwashers to prevent backflow of waste from kitchen sink into the appliance A. lift and turn waste B. gate valve C. air gap D. lift waste
C
siphon jet water closet bowls require ____ bolts to be properly anchored to the supporting chair carrier A. two B. three C. four D. five
C
the bypass valve can be obtained when the water softner is purchased or a bypass valve can be constructed with ____ short lengths of pipe A. two gate valves, one tee and three B. two ball valves, two tees and three C. three ball valves, two tees, and two D. two gate valves, one tee, two
C
A ____ is a floor set basin used for cleaning and other maintenance tasks A. floor sink B. utility sink C. maintenance basin D. mop basin
D
A _____ is a plumbing fixture that recieves only liquid body waste and conveys the waste through a trap seal into a sanitary drainage system A. water closet B. bidet C. lavatory D. urinal
D
A type of water closet is the ____ water closet A. siphon jet B. gravity fed C. blowout D. all of the above
D
Common plumbing appliances include ______ A. water heaters B. water softners C. water coolers D. all of the above
D
Grab bars are required for ADA compliant bathtubs on the ____ of a bathtub when the seat is at the head of the fixture A. foot end B. head end C. side wall D. all of the above
D
PLumbing codes require drinking fountains and water coolers to be manufactured with ______ A. fountain or cooler bowl construction of a nonabsorbant material B. a mouth protector provided over a nozzle C. the drinking water delivered at an angle so water cannot fall back onto the nozzle D. all of the above
D
Rough in includes installation of ____ A. drainage or vent piping B. water supply piping C. any necessary fixture supports D. all of the above
D
Water closets are rated at ____ dfu A. 3 B. 4 C. 5 D. 6
D
a ____ kitchen sink is one of the models available for installation A. self rimming B. acrylic C. undercounter D. all of the above
D
