Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
38 Cards in this Set
- Front
- Back
|
What opens the inlet valve on a water closet flushing cycle? A. Rubber stop ball action B. Flush handle position C. Movement of float arm D. Water pressure |
Movement of float arm |
|
|
The sides of the pan that are against the shower walls must be how many inches above the height of the finished dam or threshold? A. 1 B. 2 C. 3 D. 4 |
3 |
|
|
What can cause low water pressure and flow in piping? A. Liming B. Removal of plumbing fixtures from system C. Increase in water temperature D. Water density |
Liming |
|
|
Liquid waste is discharge through which piece of equipment? A. Branch line B. Orifice C. Vent stack D. Drain cortex |
Orifice |
|
|
What type of faucet is used where outside hose connections are needed? A. Bath B. Hose bib C. Lavatory D. Combination |
Hose bib |
|
|
How many general types of shower heads are associated with shower installations? A. 2 B. 3 C. 4 D. 5 |
2 |
|
|
What is the first step before starting to thaw a frozen pipe? A. Open all faucets affected by the freeze B. Remove the section of the piping that is frozen C. Shut all faucets affected by the freeze D. Secure the entire line the frozen piping is connected to |
Open all faucets affected by the freeze |
|
|
On a fas water heater, at what temperature, in degrees, does the relief valve open? A. 165 B. 186 C. 210 D. 225 |
210 |
|
|
What causes the diaphragm to remain seated on the seat? A. Upper and lower chambers contain the same amount of pressure B. Upper chamber holds more pressure than lower chamber C. Lower chamber holds more pressure than upper chamber D. Flush handle is in the down position |
Upper and lower chambers contain the same amount of pressure |
|
|
What type of material needs to encase a sewer line that passes under roadways? A. Brass sleeving B. Soft Iron C. Concrete D. Copper sleeving |
Concrete |
|
|
Where are the cold and warm water inlets located on a water heater? A. Suction inlet valve B. Top of the tank C. Discharge Manifold D. Bottom of the tank |
Top of the tank |
|
|
What is the first step when making a temporary repair on a pipe using a rubber hose? A. Turn off water supply B. Open faucets on piping C. Shut all faucets on piping D. Decrease temperature of inlet water |
Turn off water supply |
|
|
What assembly is the likely cause for water to continue to run in a water closet even after the flushing cycle is completed? A. Sensor output B. Flush tank C. Suction/Discharge D. Flush valve |
Flush valve |
|
|
When flushing a sewer line with a fire hose, what size fire hose is preferred for use? A. 2 1/2 inch B. 2 inch C. 1 1/2 inch D. 1 inch |
2 1/2 inch |
|
|
What is the average time, in seconds, of a flush cycle? A. 1 to 4 B. 4 to 7 C. 5 to 8 D. 7 to 10 |
7 to 10 |
|
|
By what means is the pilot light adjusted on a gas water heater? A. Pilot light valve B. Air exciter C. Inlet stream valve D. Air shutter |
Air shutter |
|
|
Trap and drain augers are also known as what? A. Sewer snake B. Force cup C. Sink snakes D. Plumbers friend |
Sink snakes |
|
|
What is the minimum diameter, in inches, of steel piping used for a gas line? A. 1/8 B. 1/4 C. 1/2 D. 1 |
1/2 |
|
|
What item is not required to be installed on a water closet if a flush valve is used? A. Drain trap B. Tank C. Chair carrier D. Hold-down flange |
Tank |
|
|
Which shower head has a restricted nozzle? A. Flat head B. Economy head C. Circular head D. Spray head |
Economy head |
|
|
Where is the combustion chamber in a water heater located? A. Lower section B. Top of unit C. Upper section D. Suction inlet side |
Lower section |
|
|
What piece of equipment allows water flow from the shower head when the faucet is turned on? A. Diverter B. Bypass valve C. Spray nozzle D. Drain plug |
Diverter |
|
|
How is the piston type flushometer opened? A. Discharge stop valve position is open B. Lever which discharges water from dashpot chamber is engaged C. Main piston position is in open bypass position D. Floating ball assembly is activated |
Lever which discharges water from dashpot chamber is engaged |
|
|
Which tool is commonly used for clearing stoppages in service sinks? A. Sewer snake B. Force cup C. Sewer tape D. Wooden ball |
Force cup |
|
|
Which thawing application is the quickest and cheapest? A. Hot water B. Steam C. Electrical D. Chemical |
Electrical |
|
|
Which chemical is used to clear stoppages in kitchen sinks? A. Hydrochloric acid B. Sodium hydroxide C. Boric acid D. Potassium hydroxide |
Sodium hydroxide |
|
|
Wooden plugs also be used temporarily to plug the ends of a pipe up to how many inches in diameter? A. 2 B. 4 C. 6 D. 8 |
8 |
|
|
(True or False) Excavations over 5 feet deep must be shored and ladders provided |
True |
|
|
CPVC piping can withstand temperatures up to how many degrees? A. 150 B. 180 C. 275 D. 525 |
180 |
|
|
Which piece of equipment associated with water closets carries the weight of the entire closet independent of the walls? A. Foot B. Hold-down flange C. Back brace D. Stem support |
Foot |
|
|
The lip of the wall mounted urinal is how many inches from the floor? A. 10 to 15 B. 20 to 25 C. 25 to 30 D. 35 to 50 |
20 to 25 |
|
|
Steam thawing is used dependent upon what conditions? A. Type of steam-generating equipment employed B. Type of piping material C. Type of material to be pumped D. Type of insulating material inside piping |
Type of insulating material inside piping |
|
|
What type of hold-down bolts are used in the installation of water closets? A. Steel B. Copper C. Brass D. Soft iron |
Brass |
|
|
A service sink is also known as what? A. Slop B. Common C. Standard D. Deep well |
Slop |
|
|
What is the most common cause of a dripping faucet? A. Stem bonnet is loose B. Stem packing is destroyed C. Bib gasket is torn D. Stem washer is worn down |
Stem washer is worn down |
|
|
The lip height of a wall-hung urinal is between how many inches from the finished floor? A. 20 to 25 B. 14 to 29 C. 10 to 15 D. 25 to 30 |
20 to 25 |
|
|
What is the diameter, in inches, of a drain used for wall-hung urinals? A. 1 B. 2 C. 3 D. 4 |
2 |
|
|
Which chemical is used to burn out stoppages? A. Potassium hydroxide B. Blue vitriol C. Sodium chloride D. Hydrochloric acid |
Potassium hydroxide |
