spdi megaset 2

a

The spout of a lavatory faucet with a P.O. assembly is also the housing for:

a. a left rod that connects to the plunger rod

b. many types of soap dispensers

c. a backflow prevention device

d. none of the above

b

Handicap sink installation require that metallic pipe that could become hot from water flow be:

a. replaced with plastic piping

b. protected (covered)

c. labeled to warm the user of hot water

d. none of the above

d

A lavatory with pop-up drain assembly connects to the drain using a:

a. 1 1/2" flanged tailpiece

b. 1 1/4" flanged tailpiece

c. 1 1/2" threaded tailpiece

d. 1 1/4" threaded tailpiece

a

A wall-hung fixture uses wood backing or a manufactured:

a. carrier

b. fixture frame

c. plastic hanger assembly

d. none of the above

c

A dishwasher connects to a specialty tailpiece or a designated connection of a:

a. 1 1/2" drain downstream of a p-trap

b. Dual stop that also provides water to a faucet

c. Garbage disposal

d. Basket strainer

b

A water tight seal between a drain assembly and fixture using putty or:

a. glue

b. caulk

c. rubber cement

d. none of the above

d

Urinals and commercial toilets that do not use a tank receive water supply from:

a. an angle stop

b. a straight stop

c. a dual stop

d. a flush valve (flushometer)

a

A floor-mounted toilet that connects to a closet flange uses:

a. a wax seal and set of closet bolts

b. a rubber gasket and one closet bolts

c. putty and a set of closet bolts

d. caulk and a set of closet bolts

c

A pipe serving a fixture that protrudes from a wall is known as a:

a. stub-up

b. stub-away

c. stub-out

d. stub-to

b

A wall or floor plate that conceals a pipe penetration is called:

a. a cover plate

b. an escutcheon

c. a pipe penetration cove

d. one of the above

a

Faucets holes for a laundry sink are typically a:

a. 4” spread

b. 6” spread

c. 8” spread

d. one of the above

c

A lavatory pop-up assembly is:

a. One required for wall-hung sinks

b. 1 1/2" and is not sold with a faucet

c. 1 1/4" and sealed with putty or caulk

d. 1 1/4" and only sealed with putty

a

A dishwasher 90° elbow:

a. 3/8” threaded x 3/8” compression

b. 3/8” compression

c. 3/8” threaded

d. 1/2" threaded x 3/8” compression

a

Laundry sinks are available that install into a countertop, onto a wall, and:

a. floor-mounted with legs

b. both are always fiberglass

c. have very shallow bowls

d. none of the above

c

A bidet drain assembly is:

a. 2”

b. 1 1/2”

c. 1 1/4”

d. none of the above

b

A slip joint style p-trap connects to the drainage system using a:

a. Coupling

b. Trap adapter

c. Male and female adapter

d. none of the above

b

most urinals water supply size is:

a. 1/2”

b. 3/4”

c. 1”

d. 1 1/4”

c

The water supply to a water closet utilizing a flush valve (flushometer) is:

a. 1/2”

b. 3/4”

c. 1”

d. 1 1/4”

a

A tiled shower base constructed on a wood floor requires a:

a. safety pan

b. rubberized tile

c. one-piece shower drain

d. all of the above

d

A bathtub installed with tiled walls:

a. is installed during trim phase of construction

b. usually requires wood support

c. is installed during the rough-in phase of construction

d. both b and c

b

A pop-up drain assembly is usually sold with:

a. the faucet

b. the 1 1/2” slip joint nuts

c. a p-trap

d. none of the above

b

A 1 1/4” tailpiece from a lavatory connects to a 1 1/2” p-trap using a:

a. reducing coupling

b. 1 1/2” x 1 1/4” slip joint nut and/or washer

c. not applicable; it is not allowed

d. not applicable; it is impossible

c

A water supply tube connects to a stop with a nut and:

a. washer

b. bolt

c. ferrule

d. none of the above

d

Sources of portable water are:

a. ground water and rivers

b. surface water and aquifers

c. lakes and rivers

d. all of the above

a

A pump located below ground is called:

a. a submersible pump

b. an underground pump

c. a jet pump

d. none of the above

c

One vertical foot of water weighs:

a. 12 pounds per square inch

b. 8.33 pounds per square foot

c. 0.434 pounds per square inch

d. 1 pound per cubic foot

d

A water service pipe:

a. runs from the city water main to a building

b. runs from a private well to a building

c. has different codes than a water distribution piping system

d. all of the above

b

To minimize water hammer:

a. a quick-closing valve is installed

b. a shock absorber is installed

c. all water hammer arrestors are removed

d. none of the above

a

To capture rainwater for future use serving irrigation systems:

a. a cistern is used

b. the roof gutters are piped to a well

c. a special plumbing permit is required

d. none of the above

c

To minimize the treat of polluting a well, the casing is:

a. not installed

b. only installed when the well is near a road

c. grouted

d. none of the above

b

Surface water is:

a. portable and not requiring treatment

b. a lake or river

c. the top layer of groundwater

d. none of the above

c

Which item is a backflow preventor?

a. a reduced pressure zone value

b. a vacuum breaker

c. both a and b

d. none of the above

a

For adequate water pressure, a high-rise building may require

a. a booster pump

b. four sources of potable water

c. a well pump and city water service connected as one system

d. a water hammer arrestor on every floor

d

Connecting a city water supply system with piping from a private well is:

a. common for irrigation systems

b. known as a cross connection

c. illegal

d. both b and c

c

PRV is the abbreviation for:

a. potable reservoir valve

b. portable reducing valve

c. pressure reducing valve

d. potable restricting valve

a

A water service pipe must be installed per local codes, but always:

a. below the frost level

b. using galvanized steel pipe

c. below a sewer when in the same trench

d. all of the above

c

Water quality of private well is the responsibility of:

a. the Environmental Protection Agency

b. the local jurisdiction where the well is located

c. the owner of the well

d. none of the above

a

There are regulations pertaining to the distance a drinking water well can be from:

a. a septic tank system

b. the storage tank

c. a building

d. all of the above

c

Most codes dictate that a fixture cannot be supplied with more than:

a. 100 pounds of pressure

b. 90 pounds of pressure

c. 80 pounds of pressure

d. none of the above

d

Potable water is also:

a. known as drinking water

b. the opposite of nonpotable

c. used for cooking

d. all of the above

a

A vacuum breaker:

a. Breaks a vacuum in a piping system by introducing air into the pipe

b. Is the only true means of backflow prevention

c. Is only required on hot water systems

d. all of the above

b

All water supply piping to an occupied dwelling installed in an unheated area that could freeze:

a. is drained during the colder months

b. must be insulated

c. should have a backflow preventor

d. none of the above

b

A water distribution system is:

a. outside a building

b. inside a building

c. hot water only

d. cold water only

b

A hanger used to support a vertical pipe that penetrates a floor is called a:

a. vertical pipe supporter

b. riser clamp

c. clevis hanger

d. split-ring hanger

c

Soldering copper utilizes solder and:

a. primer

b. solvent welding process

c. flux

d. none of the above

a

A clevis hanger used to support copper is either copper plated or:

a. has a rubberized coating

b. has a galvanized coating

c. does not require a protective coating

d. none of the above

b

A clevis hanger uses threaded rod along with:

a. wood screws

b. hex nuts and possibly washers

c. anchor bolts

d. a threaded thimble

c

A split ring hanger:

a. is only used for horizontal installations

b. is only used for vertical installations

c. is used for all pipe positions

d. is only used for copper pipe

a

A kitchen sink rough-in:

a. can be served by a stub-up or a stub-out

b. can only be served by a stub-out

c. can only be served by a stub-up

d. none of the above

a

A tank-type water supply rough-in is:

a. usually installed on the left side of the fixture

b. always installed on the left side of the fixture

c. always installed on the right side of the fixture

d. can be on either side of the fixture

c

The most common distance between the hot and cold rough-in on a sink is:

a. 4”

b. 6”

c. 8”

d. none of the above

d

CPVC and PVC:

a. use the same solvent-welding cement

b. can be interchanged

c. are only used for water service

d. use different solvent-welding cement

a

Three common copper pipe connections are:

a. soldered, brazed, and flared

b. brazed, soldered, and solvent welded

c. solvent welded, flared, and brazed

d. flared, soldered, and solvent welded

b

compression and flared joints are mechanical connections that:

a. only required soldering

b. do not require soldering

c. are for all types of piping materials

d. none of the above

a

copper pipe must be supported with bangers that are copper plated or:

a. rubber coated

b. black steel

c. galvanized steel

d. all of the above

b

An installation of a manufactured product is approved by:

a. manufactured recommended only

b. the plumbing inspector only

c. the plumbing contractor

d. none of the above

c

Lead-free solder cannot include more than:

a. 2.0% lead

b. 20.0% lead

c. 0.2% lead

d. 0.02% lead

d

Unistruct is used:

a. to install fixtures

b. to create trapeze-type hangers

c. for numerous pipe support configurations

d. both b and c

b

To determine specific installation requirements for many fixtures:

a. a material safety data sheet is used

b. a manufacturer rough-in sheet (cut sheet) is used

c. both a and b

d. none of the above

c

PVC is not allowed by code to be installed for:

a. Water distribution systems

b. Water service portions of a system

c. The inside of a well

d. all of the above

d

Water supply rough-in for a flush valve (flushometer) that serves a toilet is:

a. the same as for a tank type

b. larger than a tank-type toilet

c. can be located on either the left or right side of the center of the fixture

d. both b and c

a

Clevis hangers are used for:

a. horizontal installations only

b. vertical installations only

c. vertical and horizontal installations

d. none of the above; they are not allowed

d

Flux is applied to copper pipe and fittings:

a. after cleaning pipe ends and fittings

b. before assembling pipe and fittings

c. before applying heat

d. all of the above

b

One btu increases the water temperature of _____ by one degree Fahrenheit.

a. one gallon

b. one pound

c. one quart

d. one ounce

a

Zero gauge pressure is also atmospheric pressure and is:

a. 14.7 pounds per square inch at sea level

b. 29.00 inches of mercury

c. both a and b

d. none of the above

d

One btu at sea level is equal to:

a. 0.80 btu at 5,000 feet above sea level

b. 0.60 btu at 10,000 feet above sea level

c. 0.88 btu at 3,000 feet above sea level

d. all of the above

c

Water boils at sea level under normal atmospheric pressure at a temperature of:

a. 210°F

b. 211°F

c. 212°F

d. 213°F

a

With regard to water heater, atmospheric pressure is:

a. external pressure

b. irrelevant

c. used only when the temperature is below freezing

d. 14.7 pounds of gauge pressure

c

Absolute pressure is:

a. gauge pressure

b. atmospheric pressure

c. gauge pressure plus atmospheric pressure

d. boiling point pressure

b

The recovery rate of a water heater is also referred to as:

a. gallon per minute

b. gallon per hour

c. gallon per day

d. none of the above

a

The boiling point of water is the point at which:

a. water turns from a liquid to a vapor

b. water changes from a solid to a liquid

c. water reverts from a vapor to a liquid

d. none of the above

d

The difference between incoming cold water temperatures and outgoing hot water

a. the boiling point

b. heating cycle

c. minimum and maximum cycle

d. temperature rise

b

How many btus are required to raise the temperature of one gallon of water by one degree Fahrenheit at sea level under normal atmospheric conditions?

a. 1

b. 8.33

c. 14.7

d. 29.921

a

Heat exchanger transfer heat from a hot object, vapor, or fluid to:

a. water

b. convert the heat electricity

c. heat an occupied space only

d. none of the above

c

Water that is subjected to negative pressure (vacuum) boils:

a. at 235°F

b. only at high altitudes

c. at lower temperatures

d. at sea level

b

The higher the internal pressure of water heater, the higher the:

a. elevation of an installation

b. boiling point of the internal water

c. atmospheric pressure

d. barometric pressure

a

How many btus are required to heat 10 gallons of water by 10 degrees Fahrenheit at sea level under normal atmospheric conditions?

a. 833

b. 83.3

c. 100

d. 10

b

What is the temperature rise if the incoming water to a water heater is 50°F and the outgoing water is 120°F?

a. 50°F

b. 70°F

c. 100°F

d. 120°F

a

Approximately how much does 8 1/3 gallons of water weight?

a. 69.4 pounds

b. 83.3 pounds

c. 8.33 pounds

d. 813 pounds

d

Approximately how many btus would it take to provide 30 gallons with a temperature rise of 50°F?

a. 1,500

b. 15,000

c. 1,250

d. 12,500

a

Propane or natural gas burned in higher altitudes:

a. has reduced heating efficiency

b. has increased heating efficiency

c. heats the same as at lower altitudes

d. heats more gallons per hour than at lower altitudes

c

One kilowatt is equal to:

a. 1,000 watts

b. 3,412 btus

c. both a and b

d. none of the above

a

What is the btu rating of a 10 kilowatt electric water heater?

a. 34,120

b. 10,000

c. 44,120

d. none of the above

d

An anode rod is:

a. installed by a manufacturer

b. sacrificial

c. replaceable

d. all of the above

b

An dip tube:

a. is used on bottom-fed water heaters

b. funnels water to the bottom of a storage tank

c. is located on the hot water side of a heater

d. none of the above

d

An tankless water heater is:

a. only available in gas

b. only available in electric

c. only capable of storing 10 gallons

d. available in gas and electric

a

The label located on the exterior of a water heater indicating specific information about that water heater is also known as

a. boiler plate

b. an information sticker

c. the manufacturer safety data sheet (MSDS)

d. none of the above

a

Residential gas water heaters must have:

a. a sealed burner assembly area

b. only a pressure relief valve

c. only a temperature relief valve

d. none of the above

c

A solar water heater panel is also known as a:

a. roof heater

b. circulator panel

c. collector

d. pump collector

a

A type of union that is installed when using copper pipe to connect to a water heater is a:

a. dielectric union

b. electric union

c. malleable union

d. none of the above

b

The gas piping configuration used to prevent debris and moisture from entering the gas regulator (gas valve) of a water heater is called a:

a. drip drop

b. drip leg

c. nipple cap and tee design

d. debris leg

d

A water heater design which the heater is installed inside a dwelling along an exterior wall and utilizes a dual-flue pipe system is:

a. instantaneous

b. point-of-use

c. conventional vented

d. direct vented

c

One important concern when installing an electric water heater is:

a. ensuring that the gas pipe is sized correctly

b. confirming that the electrician is licensed

c. ensuring that all devices and controls can be readily accessed

d. whether the storage tank is a top-fed type

a

Regardless of the type of heater, all energy sources must be turned off before attempting:

s to drain a water heater

b. to check the temperature of the water

c. a pressure check of the water system

d. none of the above

b

Wiring that serves an electric water heater is installed by an electrician, and the internal wiring is provided by:

a. a plumber

b. a water heater manufacturer

c. the water heater wholesaler

d. none of the above

a

Electric water heater installation requires ______installation steps that gas water heater installations:

a. fewer

b. more

c. the same amount of

d. the same

d

Before energizing an electric water heater:

a. water must be turned on

b. air must be bled from the tank

c. the tank must be filled with water

d. all of the above

c

Some gas water heaters require manual ignition of a pilot frame, whereas others:

a. do not require an ignition source

b. an operated pneumatically (by air)

c. use electronic ignition devices

d. none of the above

c

When a solar collector (panel) is located away from the storage tank, _______ the water through the system:

a. air is injected to force

b. a pump is required to circulate

c. both a and b

d. none of the above

a

Codes dictate that ______ be installed in the cold water piping near a water heater.

a. an isolation valve

b. a circulating pump

c. a pressure booster

d. all of the above