暗記メーカー
ログイン
Texas plumbing exam
  • Gabriel Ivarra jr

  • 問題数 121 • 2/28/2023

    記憶度

    完璧

    18

    覚えた

    43

    うろ覚え

    0

    苦手

    0

    未解答

    0

    アカウント登録して、解答結果を保存しよう

    問題一覧

  • 1

    Do fixtures need overflows?

    Hell naw

  • 2

    A water closet shall not consume no more than?

    1.28 or less

  • 3

    Color code for MLK

    Red, blue, green

  • 4

    MLK meaning

    Thin, Thick, Thickish

  • 5

    DWV color code

    Yellow

  • 6

    Copper can be used for the gas line to go to the water heater only if there is no….

    Sulfur

  • 7

    What is the minimum rise for a waterheat vent is?

    5 ft

  • 8

    T&P pipe can be ?

    Copper & cpvc

  • 9

    You cant have ___ the first 18 inches when connecting to waterheater

    Pex

  • 10

    1/2 inch gas pipe must be supported every….

    6 ft

  • 11

    1 1/4 or larger gas pipe must be supported every __ when going horizontal

    10 ft

  • 12

    The vertical distance between the opening of the water supply and the flood level rim of a receptacle

    Air gap

  • 13

    definition - A measurement of piping taken along the centerline of pipe and fittings

    Developed length

  • 14

    How much clearance do you need for a toilet?

    15 inches

  • 15

    A shower must have at least ___ inside dimensions

    30 inches

  • 16

    the minimum slope for a pipe smaller than 3in is ?

    1/4 per foot

  • 17

    What is the minimum size for a waterline ?

    3/4

  • 18

    Water supply line should have a pressure no more than?

    80psi

  • 19

    How much percentage of lead free be?

    0.2 or less

  • 20

    definition - Access opening in the drainage system used to remove obstructions.

    Clean out

  • 21

    definition- Parts of the plumbing system installed prior to the installation of fixtures

    Rough in

  • 22

    definition -Drain pipe conveying sewage containing fecal matter

    Soil pipe

  • 23

    definition - Distance from weir to top of the dip of the trap

    Trap seal

  • 24

    definition- Pipe that makes an angle of 45 degrees or more with the horizontal

    Vertical pipe

  • 25

    What should you do when pipe is passing or going through wall?

    Sleeve it

  • 26

    Water closet screws and bolts shall be ?

    Brass

  • 27

    You much have ___ to slip joints connections

    Access

  • 28

    What type of vent is prohibited

    Crown vent

  • 29

    What’s the minimum height for a washer box ?

    18 inches

  • 30

    What’s the maximum height for a washer box?

    24 inches

  • 31

    There should be a shut off no further than ___ from each appliance and shall be ready accessible in the same room

    6ft

  • 32

    There should be a shut off in each building if the system serves more than one building?

    True

  • 33

    You should always test the gas pipe with oxygen

    False

  • 34

    You must have the name of company and master number on both sides of all services vehicles

    True

  • 35

    You can install medical gas without a special endorsement

    False

  • 36

    You must have the license number on all advertising and must be truthful

    True

  • 37

    If false information is given to the board, the board may deny application, revoke license or take disciplinary action.

    True

  • 38

    You don’t have to meet uniform plumbing code or the international plumbing code.

    False

  • 39

    You must have 6 hours of continuing education to renew a license

    True

  • 40

    TP line and the drain line can share the same pan

    False

  • 41

    All vents and caps must be approved and installed according to manufacturer recommendations.

    True

  • 42

    A water heater can be installed in a bedroom, bathroom or clothes closet.

    False

  • 43

    If In a attic, must have ___ access to heater

    24 inches

  • 44

    Electric water heaters wattage is on

    Label

  • 45

    How high does the T&P line for a water heater need to be over the grade?

    6 inches

  • 46

    What is the maximum temperature for a T&P valve?

    210

  • 47

    Crown vented traps, Bell traps, drum traps and S traps are allowed?

    False

  • 48

    A vent connecting individual vents with a stack vent or vent stack

    Branch vent

  • 49

    Primary or principal pipe to which branches are connected

    Main

  • 50

    A vertical vent pipe to provide circulation of air to and from the drainage system

    Vent stack

  • 51

    You need a 12x12 access panel when a slip joint is connected

    True

  • 52

    What is the minimum height for a 3in clean out?

    18 inches

  • 53

    How long can pex be exposed to sunlight?

    30 days

  • 54

    What is the distance of how many time you have to secure 1 inch pex?

    32in or smaller

  • 55

    Description- two or three compartment sink drained by a continuous waste connected to one trap.

    Combination fixture

  • 56

    Description- is a horizontal wet venting system for sinks and floor drains.

    Combination Waste and Vent System

  • 57

    Description- is an elevation mark on a vacuum breaker setting the minimum elevation the device can be installed above the flood level rim of a fixture.

    Critical level

  • 58

    Water closet should have ___ ball cock with a refill tube to refill the trap seal

    Anti siphon

  • 59

    Joints in pvc are made with ___ and purple primer.

    Solvent cement

  • 60

    You are required to have a shut off on the supply line on each fixture.

    True

  • 61

    Hub and spigot joints in cast iron are made with oakum or hemp and lead. (Caulked joint)

    Yes

  • 62

    When inspecting gas pipe, all joints should be exposed when inspecting?

    Yes

  • 63

    1/2 in gas pipe should be supported every ?

    6ft

  • 64

    Temperature and pressure relief valves must be in ___ of tank

    Top 6 inches

  • 65

    LP=

    Copper gas

  • 66

    definition - Any part of the piping system except mains, stacks or risers.

    Branch

  • 67

    definition -is the lowest part of the drainage system which receives waste from soil and waste pipes and connects to the building sewer.

    Building drain

  • 68

    definition - is a device that provides a water seal to prevent the passage of sewer gas and allow the passage of waste.

    Trap

  • 69

    A pipe installed to vent one fixture trap. It may connect to the vent system above the fixture or terminate in the open air.

    Individual vent

  • 70

    definition-Is a waste pipe that drains through an air gap to the drainage system.

    Indirect waste

  • 71

    You much use mechanical compression joints or caulked when cast iron and plastic joints connects.

    True

  • 72

    You should always water sealed tight fixtures when they are touching the wall or floor.

    True

  • 73

    A vacuum breaker can take in ?

    14.75 psi

  • 74

    definition -Any pipe that conveys wastewater in the drainage system.

    Drain

  • 75

    is water that is sufficiently free of impurities to meet public health standards.

    Portable water

  • 76

    What is the PSI for a temperature of 210 degrees ?

    150psi

  • 77

    What is the PSI for 180 Degrees?

    100psi

  • 78

    What is a shorter definition for Cross-linked Polyethylene?

    Pex

  • 79

    Definition- The extension of soil or waste stack above the highest fixture served.

    Stack vent

  • 80

    The upper rim of a fixture where water will overflow.

    Flood level rim

  • 81

    When Copper less than 1 1/2 is going horizontal it must be supported every ???

    6ft

  • 82

    When 1 1/2 or larger copper is going horizontal. When should you support it?

    10ft

  • 83

    Who approves material?

    Plumbing code

  • 84

    How much water does a water closet need to use when flushing?

    1.6 gallons

  • 85

    What is the minimum size vent for pvc?

    1 1/4

  • 86

    Gas pipe in 3/4 or 1 inch should be supported every?

    8ft

  • 87

    1 1/4 or larger gas pipe should be supported every ____ when going vertical?

    Every floor level

  • 88

    Flue pipe needs to be ____ above any part of the building within 10ft

    3ft

  • 89

    The TP line can fall in a pan.

    False

  • 90

    What is the minimum size for the TP line?

    3/4

  • 91

    Gas water heater must have combustion air of?

    12” from top and 12” from the floor

  • 92

    Which water line needs a shut off valve on a water heater?

    Cold

  • 93

    If dissimilar material, must have ____ or approved connectors.

    Dielectric union

  • 94

    If bottom feeds water heater, cold water must have ____ in a vertical position

    Vacuum relief

  • 95

    Gas pipe to water heater can’t be concealed bushing, must use____

    Bell reducer

  • 96

    The gas line for a water heater, you can use black iron or galvanized or the mix of two.

    True

  • 97

    Is a backflow preventer that allows air to a vacuum being pulled on a system

    Vacuum breaker

  • 98

    Drainage pipe shall be tested with a 10 foot head of water or 5 psi.

    True

  • 99

    Pex to hose bib needs a?

    Drop ear 90

  • 100

    Water hammer caused by high velocity, quick-closing valves, air tanks and pumps shall be controlled by….

    Water arrestors