true false ch. 12
A blowout water closet is a water closet that uses othe gravity from water falling from the water closet tank to begin the flushing action
False
A cast iron or plastic laundry tray drainage fitting is installed for a double compartment laundry tray to keep the waste lines of both compartments seperate before discharging into a 1 1/2" trap
False
A drinking fountain is a wall hung plumbing appliance that uses an electric cooling unit to chill drinking water which is conveyed thruough a nozzle at an upward angle to allow the user to conveniently drink from the fountain
False
A floor sink is a floor drain installed in commercial buildings to facilitate washing muddy bootsor various types of cleaning and gardening equipment
False
A left hand bathtub is a bathtub with the drain on the right end as a person enters the tub
False
A wallhung water closet is a water closet installed directly on the floor and is common in residential construction
False
An integral emp control device in port control valves is now available to maintain a safe water temperature and protect against a sudden change in water temp but plumbing codes do not require this
False
Round front water closets are primarily installed in commercial and public buildings
False
Service sinks are provided with a grate fitting for the wate outlet and an enclosed P-trap
False
Soft water is potable water that contains excessive amounts of calcium and magnesium
False
Some plumbing codes do not require individual vents for floor drains if they are installed within 50' of a vented drainage pipe
False
Vitreous china is a ceramic compound fired at high temperature to form a porous material which absorbs mineral deposits created by hard wate
False
A continuous waste fitting is a drainage fitting that consists of a section of horizontal drainage pipe and a sanitary tee and is used to convey waste from a kitchen sink drain to a common P-trap
True
A laundry tray or laundry tub is a plumbing fixture used for prewashing clothes installed in a residential laundry room and is supplied with hot and cold water and a drain connection
True
An automatic water softner is piped into a residential water supplyand provides soft water to all the plumbing fixtures and appliances exceot sillcocks and kitchen sink cold water faucets
True
An immersion element is an electric heating device that is inserted into the storage tank of an electric water heater and makes direct contact with the water to provide fast and efficient heat transfer to the water
True
Bilevel drinking fountains and water coolers are available to accomodate varying users heights and capabilities
True
Blowout urinals have a large opening to the trap inlet to accomodate non liquid waste
True
Drop in bathtubs typically provide greater water capacity than standard bathtubs
True
Fixture trim is the water and supply drainage fittings installed on a fixture or appliance to control water flow into a fixture and wastewater flow from the fixture to the sanitary drainage system
True
Flush devices are designed to deliver the proper amount of water to the water closet bowl and provide the necessary scouring action to clean the bowl
True
If the bypass port becomes plugged with dirt or other debris, a flushometer valve continues to flush until the dirt or debris is cleared since no water is allowed to enter the upper chamber
True
Standard wall hung urinals are used as ADA compliant urinals
True
The dip tube of a water heater conveys incoming cold water through the stored hot water and discharges the cold water at the bottom of the storage tank
True
kitchen sinks require a basket strainer for each basin to prevent solid food particles from entering and clogging the drainage piping
True
most lavatory compression faucets are combination faucets in which the cold and hot water compression valves are joined in one faucet body and are provided with a common mixer spout
True
Bathtubs are rated at 8 dfu
false
The thermostat in an electric water heater cannot sense the outside surface temp of the storage tank
false
A t&P relief valve imust be able to release high temp water at a rate equal to or faster than the rate at which the water heater can generate
true
Raised back wall hung lavatories support themselves better than ledge lavatories since there is more bearing surface on the back of the fixtures
true