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Plumbing > Plumbing > Flashcards

Plumbing Flashcards

1
Q

What is the objective to inspecting the plumbing system?

A

To identify major deficiencies in the interior plumbing system

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2
Q

What are you required to inspect and report on during the inspection of the plumbing system?

A 
Interior water supply and distribution system
Interior drain, waste and vent system
Hot water systems
Fuel storage and distribution systems
sump pumps
seismic bracing
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3
Q

What are you required to NOT inspect and report on during the inspection of the plumbing system?

A

Water conditioning systems
fire and lawn sprinkler systems
onsite water supply quantity and quality
spas, except as to functional flow and drainage

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4
Q

What action is required during a plumbing inspection?

A

Operating all plumbing fixtures

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5
Q

What action is NOT required during a plumbing inspection

A

State the effectiveness of anti-siphon devices
Determine weather water supply and wast disposal systems are public or private
Operate automatic safety controls
Operate any valve except water closet flush valves, fixtures faucets and hose faucets

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6
Q

If the service pipe from a public source is galvanized steel, then:
A. The pipe will not be magnetic
B. A scratch test will leave a dull scratch
C. A scratch test will leave a shiny scratch
D. The pipe will have lots of bends in it

A

B. A scratch test will leave a dull scratch

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7
Q 
The home inspector is required to:
A. Observe gas line piping 
B. Observe water conditioning systems
C. Observe lawn sprinkler systems
D. Determine private water supply quantity and quality
A

A. Observe gas line piping

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8
Q

Which abbreviation is used when measuring water pressure?
A. Gpm
B. PB
C. Psi

A

C. Psi

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9
Q 
Which well component automatically starts the pump when pressure in the system falls?
A. The pressure switch
B. The pressure gauge
C. The pressure tank
D. The main shut-off valve
A

A. The pressure switch

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10
Q 
If, during a test of the equipment, the pressure comes up over the preset high limit, what might be the problem?
A. The bearings are shot
B. The well casing is leaking
C. The jet is clogged
D. The pressure switch is faulty
A

D. The pressure switch is faulty

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11
Q

What should be reported as a safety hazard?
A. A corroded pressure tank
B. An unlocked well pit
C. A leak at the pressure gauge connection
D. Plastic pipe used with a private well

A

B. An unlocked well pit

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12
Q 
What does it mean for a pressure tank to be water logged?
A. There's water in the tank
B. The tank is leaking
C. There's too much water in the tank
D. The tank is full of air
A

C. There’s too much water in the tank

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13
Q

What is a symptom of a waterlogged pressure tank?
A The pressure gauge doesn’t work
B. The tank returns to the high limit too fast
C. The pump vibrates too much
D. The pump runs constantly

A

D. The pump runs constantly

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14
Q

The home inspector is required to operate the main shut-off valve?

A

NO

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15
Q

What is the service pipe or house main?

A

The pipe that brings water into the house

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16
Q

What is the minimum service pipe size for bringing water into a house from a public water service?

A

Typically a 3/4” inside diamerter

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17
Q

What range is typical city water provided at?

A

40-70 psi

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18
Q

What is a booster bump and pressure tank used for?

A

In cases where water pressure from city service is too low.

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19
Q

Physical difference between galvanized steel and lead pipes?

A

Lead- Not magnetic. Scratch test: easy, shiny

Steel - Magnetic. Scratch test: harder, dull

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20
Q

The water supply entrance inspection includes determining:

A

Public/private water source?
The service pipe material
Meter location
Presence of main shut-off valve and its location
Pump and well tank condition and the operation of the pressure gauge.

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21
Q

Components of a private well system?

A

The well
The well pump - brings water to the surface
The service pipe - btwn the well and pressure tank
Main shut-off valve - btwn the well and pressure tank
Pressure/storage tank - holds a supply of water
Pressure switch - activates pump when water pressure in tank falls and deactivates when pressure acceptable
Pressure gauge - readout of pressure within the tank

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22
Q 
Which type of supply pipe will rust from the inside out?
A. Red brass
B. Copper
C. Galvanized steel
D. Lead
A

C. Galvanized steel

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23
Q 
Which type of supply pipe is especially subject to pinholes?
A. Brass
B. CPVC
C. Galvanized steel
D. PB
A

A. Brass

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24
Q 
Which type of supply pipe is soldered?
A. Yello brass
B. CPVC
C. Copper
D. Gavanized steel
A

C. Copper

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25
Q

Rusting is an example of:
A. Chemical corrosion
B. Electrolytic corrosion

A

A. Chemical corrosion

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26
Q

What is electrolytic corrosion?
A. A reaction of metal atoms with oxygen, carbon dioxide, or salts in water
B. A process where 2 dissimilar metals connected in water give up ions and make a current
C. A process called wiping that causes bulges in lead pipes

A

B. A process where 2 dissimilar metals connected in water give up ions and make a current

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27
Q

Which of the following types of supply piping is least likely to burst in freezing temperatures?
A. Copper
B. PB
C. CPVC

A

B. PB

28
Q

What is the purpose of an anti-siphon device?
A. To provide a turn-off so the homeowner can work on a toilet or sink
B. To prevent water hammer
C. To prevent pipes from freezing
D. To prevent waste water from backing up into the water supply system

A

D. To prevent waste water from backing up into the water supply system

29
Q

What should be reported as a safety hazard?
A. The use of CPVC piping
B. A cross connection
C. Greenish color at joints in coper jointing
D. handyman plumping

A

B. A cross connection

30
Q

When should the home inspector suggest a water contamination test?
A. When greenish stains are found in sinks
B. What dissimilar metals are used in a sigle plumbing run
C, When asbestos insulation is found on pipes
D. When water pressure is low

A

A. When greenish stains are found in sinks

31
Q

Which of the following statements is true?
A. The home inspector is not required to operate hose bibs
B. The homes inspector should always operate hose bibs
C. The home inspector should operate hose bibs expect when they are winterized
D. The home inspector should operate hose bibs only when they are winterized

A

C. The home inspector should operate hose bibs expect when they are winterized

32
Q 
What would not be the cause of low water flow?
A. Low water volume
B. Constricted pipes
C. Partially closed valves
D. Missing valves
A

D. Missing valves

33
Q

What are risers in water supply piping?

A

Piping that carries hot and cold water vertically

34
Q

What are branch lines in water supply piping?

A

piping that carries water to fixtures and faucets

35
Q

When does electrolytic or galvanic corrosion occur?

A

When 2 dissimilar metals are touching each other PLUS water

36
Q

When does chemical corrosion occur?

A

Depends on the presence of oxygen, carbon dioxide or salts in the water that react with the metal. Rust is an example of this.

37
Q

Describe Type K Copper piping?

A

The thickets, is used underground

38
Q

Describe Type L Copper piping?

A

Medium thickness, is preferred for supply distribution

39
Q

Describe Type M Copper piping?

A

Lighter and thinner. Is used for indoor piping

40
Q

What is water hammer?

A

When the water flow is cut off suddenly and a shock wave is sent back toward the supply end.

41
Q

What suggestions can be made for curing water hammer?

A
  1. Turning faucets off slowly
  2. Tightening up supports for loose pipes
  3. Installing an additional pipe, called an air chamber, past the take off for the faucet. Water will be carried into the air chamber and not backward into the pipes
42
Q

How far apart should hot and cold supply pipes be?

A

6 inches or 3 if insulated.

43
Q

What are the two aspects of water flow?

A
  1. Adequate flow

2. Water pressure

44
Q

What is the difference between 1. adequate flow and 2. water pressure?

A
  1. whether or not there is enough water volume flowing

2. Whether or not there is enough push behind the flow

45
Q

How do you determine if the water flow is functional?

A

When enough water comes out of a faucet fast enough

46
Q

When can a cross connection occur?

A

When a faucet spout extends lower than the water level in a basin such as a laundry tub.

47
Q

What is done during the inspection of the water heater system?

A 
ID brand and type
It's capacity
Approx. Age
condition of tank
Proper piping, venting and location
Operating and safety controls
48
Q

If water heater is stored outside how should it be installed?

A

On concrete base at least 3” above grade

49
Q

Where should a gas or oil fueled water heater be located in a garage?

A

at least 18” above the garage floor

50
Q

What slope should the flue pipe have?

A

1/4” upward slope for every foot of pipe

51
Q

Where should single-walled pipes be installed?

A

6” from combustibles

52
Q

Where should vent pipes terminate at the roof?

A

Double walled: At lease 1’ above the roof

Single walled: at least 2’ above the roof

53
Q

Pg. 62 diagram of gas water heater parts

A 
A - Cold water turn off valve
B - Cold water inlet
C - Drip tube
D - Relief Valve
E - Extension
F - Anode rod
G - Drain Valve
H - Access Panel
I - Flue Pipe
J - hot water inlet
K - Draft Hood
L - Flue
M - Gas turn off
N - Gas control and thermostat
O - Burner
54
Q

Pg 3 Diagram of plumbing

A 
A - Roof Vent
B - Stack and vent pipes
C - Hot and cold supple pipes
D - Drain and waste pipes
E - Hot water system
F - Fixtures and faucets
G - To sewer or septic tank
H - From public or private supply
55
Q

Pg 23 water supply piping diagram

A 
A - Branch lines
B - Risers
C - Hot water system
D - Cold
E - Hot
56
Q

Pg 40 - Drain, waste and vent system diagram

A 
A - Roof vent
B - Vent stack
C - Waste pipes
D - Soil stack
E - Vent pipes
F - Trap
G - Cleanout
H - To sewer or septic tank
57
Q

pg 68 diagram of electric water heater parts

A 
A - cold water turn off valve
B - Cold water inlet
C - dripe tube
D - Relief valve
E - Extension
F - Anode rod
G - Drain valve
H - Hot water outlet
I - Power cable 
J - Access panel
K - upper heating element and thermo
L - Lower heating element and thermo
58
Q

What does it mean if there is limited hot water with an electric water heater?

A

Bottom element is shot

59
Q

What does it mean if there is no hot water with an electric water heater?

A

Top element is shot

60
Q 
What is the home inspector NOT required to do while inspection a hot water system, according to the standards and practice?
A. inspect and electric water heater
B. Inspect the relief valve
C. Operate the relief valve
D. Describe the water heating equipement
A

C

61
Q

What is the purpose of an anode rode in a water heater?
A. It sends cold water to the bottom of the tank
B. It gives up ions before the steel tank does
C. It turns off water so the tank can be repaired
D. It keeps the water temperature at 140 in the tank

A

B

62
Q

Which statement is true about the installation of a gas water heater?
A. It may be installed in a closet
B. If located in a garage it must be installed on the ground
C. If located outside, it may be installed on the ground
D. If located in the living areas of a home, it may have a drip pan

A

D

63
Q 
What condition with a gas water heater should be reported as a safety hazard?
A. Holes in the flue pipe
B. A leaking tank
C - Rusting in the heating chamber
D. Plastic water supply pipes
A

A

64
Q

What does hissing and gurgling in an electric water heater indicate?
A. The upper element is burned out
B. The lower elemnet is burned out
C. There’s sediment in the tank
D. The heating element wires are overheated

A

C

65
Q

What happens to an electric water heater when the upper heating element burns out?
A. The lower heating element wont function
B. The lower heating element has to work extra hard to heat the tank
C. There’s only limited hot water available at the faucets
D. The water heater explodes

A

A

66
Q

Which component is present on a gas water heater but not on an electric one?
A. A power cable
B. A drip tube
C. A draft hood

A

C

Plumbing (1 decks)

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