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REVIEW PACKAGE #5 > TRUE AND FALSE QUESTIONS *checked > Flashcards

TRUE AND FALSE QUESTIONS *checked Flashcards

1
Q
  1. A sheet metal leader can be installed in the overhang of a storefront provided the portion conceal in the overhang ceiling is insulated.
A

False

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2
Q
  1. A screwed cast iron water fitting must be cement mortar lined or galvanized
A

True

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3
Q
  1. Brass pipe shall be seamless yellow brass.
A

Flase

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4
Q
  1. A four-inch 1/4 bend with a 3 1/2” centreline radius may be used to dump a horizontal drainage line to a vertical drainage line
A

True

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5
Q
  1. Corrugated steel pipe can be used outside underground for a sanitary sewer
A

False

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6
Q
  1. An MJ cast iron cleanout fitting must have a brass plug.
A

False

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7
Q
  1. Typ “M” copper may be used in a water distribution system above ground.
A

True

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8
Q
  1. A drinking fountain must have a flow regulator.
A

True

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9
Q
  1. Class 100 asbestos cement water pipe may be used below ground inside a building.
A

True

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10
Q
  1. A sanitary tee may be used to change the flow direction in a horizontal drainage pipe.
A

False

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11
Q
  1. The minimum diameter test ball to be used for a ball test is 25 mm.
A

True

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12
Q
  1. The hub end of bell-and-spigot pipe shall be installed with the hub at the upstream end of the
    system
A

True

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13
Q
  1. Galvanized pipe may be welded if the zine coating is first removed and provisions for ventilation are taken
A

False

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14
Q
  1. An indirectly connected fixture’s fixture drain shall terminate above a directly connected fixture
A

True

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15
Q
  1. Vitrified clay pipe shall not be located less than 300 mm below a concrete slab floor.
A

False
Must be 600mm unless it states the slab is 75mm thick or larger

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16
Q
  1. A building drain passing through a foundation wall can be cast in place into the wall.
A

False

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17
Q
  1. Anaerobic bacteria need free oxygen to survive
A

False

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18
Q
  1. Septic tank effluent contains minute particles of suspended solids
A

True

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19
Q
  1. Septic tank effluent contains small numbers of pathogenic bacteria
A

True

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20
Q
  1. In a properly operating disposal field, the aerobic bacteria break down the effluent into stable inorganic compounds
A

True

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21
Q
  1. A baffle may be used in place of an inlet or outlet tee on a septic tank
A

True

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22
Q
  1. A siphon chamber will prevent a disposal field from freezing
A

True

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23
Q
  1. The size of a siphon chamber depends on the volume of the disposal field.
A

True

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24
Q
  1. A siphon chamber does not depend on moving parts
A

True

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25
Q
  1. Storm water shall be prevented from accumulating on a disposal field
A

True

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26
Q

26.the maximum death of a disposal field distribution pipe is 42 inches

A

False

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27
Q

Batter board is used as a measuring device for burial debts

A

True

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28
Q

28.A minimum of 6 inches of topsoil is required on top of the drain rock in a disposal field

A

True

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29
Q

The maximum width of a disposal field trench is 12 inches

A

False

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30
Q

The maximum length of a disposal fields lateral is 75 feet

A

False

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31
Q

The maximum distance between laterals in a disposal field is 6 feet

A

False

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32
Q

The minimum distance from a septic tank to a building is 5 feet

A

False
3ft

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33
Q

A distribution box has two inlets

A

False

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34
Q

The inlet of a distribution box is 2 inches above the outlets

A

True

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35
Q

The results of a percolation test are used to determine the dimensions of the septic tank

A

False

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36
Q

The discharge from a relief valve may terminate directly into a floor drain

A

False

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37
Q

The discharge from a relief valve shall not terminate more than 300 mm above the floor drain

A

True

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38
Q

A vertical soil or waste pipe, shall not conduct sewage and storm

A

True

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39
Q

A clean out opening must be readily accessible for cleaning

A

True

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40
Q

A building drain that is subject to backflow shall have a backwater valve installed

A

False
2.4.6.4
The only reason this is wrong is because the is the wording of the question.
You do need a back water valve but 2.4.6.4 states if it is subject to back flow a back water valve on every fixture drain when the fixture is below the level of the conjoining street

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41
Q

A maximum 1 a half fixture units may be connect to the lead stub of a water closet trap arm

A

False

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42
Q

A soil or waste pipe shall not be located above pressurized portable tank

A

(2.7.1.3) true NEW AWNSER

OLD AWNSER
(2.4.6.2)
a) non-pressure potable water storage tanks
B) manholes in pressure potable water storage tanks
C) not above food handling or food processing equipment

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43
Q

A cleanout is required on the downstream side of every running trap

A

False

44
Q

A gate valve may be installed on a fixture drain that is connected to a building drain that is subject to backflow

A

True

45
Q

A manhole located within a building must be vented

A

True

46
Q

Backwater valves may be permitted to be installed on a building sewer

A

True

47
Q

Walls adjacent to a urinal shall be previous to water

A

False

48
Q

The sewer connection for a mobile home shall be above ground

A

True

49
Q

Doubling the number of fixture units will double the flow through the sanitary drainage system

A

False
Notes page 2-92#
Devon- “ it is because it fluctuates, it can cause more flow because there is more people and fixture’s available but it does not mean that all people will be using all fixtures simultaneously doubling the flow

50
Q

The hydraulic load drained to a storm drainage. System is based on fixture units.

A

False

51
Q

The hydraulic load on a storm drainage system is based on a maximum rainfall in 24 hours divided by 3600

A

False
Is it based on mm per 15minutes

52
Q

A wet vent shell extend as a continuous vent or a stack vent

A

True

53
Q

A soil or waste stack may be connected to a wet vent upstream of a wet vented fixture

A

False
2.5.2.1 (f) ???

54
Q

A water closet trap arm may connect to a wet vent downstream of another water closet

A

False

55
Q

Two water closets must be connected to a wet vent through a double fitting

A

True

56
Q

The offset portion of a wet vent is limited to 1.2 m for a 2 inch pipe

A

True

57
Q

A water closet would be the lowest fixture on a wet vent

A

True

58
Q

A wet vent can reduce in size

A

True
For emergency floor drain is the only time this can happen

59
Q

The lowest fixture or symmetrically connected fixtures are not included in the fixture unit load served by a wet vent

A

True

60
Q

All wet vented fixtures must be on the same story

A

False

61
Q

A four story wet vented stack may not have more than four fixture units draining to it from the third story

A

True

62
Q

The maximum length of a 3 inch 45° offset in a multistorey wet vent is 2.5 m

A

False
2.5.2.1
There is only a limitation on NOMINALLY HORIZONTAL OFFSETS

63
Q

The load of a separately vented fixture connected to a wet vent, is not included when sizing the wet vent

A

False

64
Q

Additional circuit vents are required when four more fixtures are circuit vented

A

False

65
Q

The maximum load for a fixture connected to a vertical section of a circuit vent is two fixture unit units

A

False

66
Q

A relief vent is required on a circuit vented branch if it is connected to a downstream soil or waste pipe of more than six fixture units

A

True

67
Q

When an additional circuit event is required on a circuit vented system, the additional circuit vent shall be installed so that not more than eight fixtures are located between the vents

A

True

68
Q

A six story wet vent shall require vent stack

A

False

69
Q

A future connection to a wet vent, does not have to be calculated into the fixture unit load of the wet vent

A

False

70
Q

Connections to horizontal wet vents must be rolled above the centre line of the wet vent

A

False

71
Q

An individual or continuous vent may be connected to a wet vent as long as the connection is above the flood level rim of the fixture below

A

False

72
Q

A plumber may use a power act tool without special training or licensing

A

False

73
Q

The chain of a chainsaw must be stopped for moving the saw from one cut to a new cut

A

True

74
Q

Compressed air would be suitable for dusting off your coveralls while you are wearing them

A

False

75
Q

A grinding wheel should not be rated at a higher RPM than the grinders RPM

A

False

76
Q

Wooden ladders maybe painted a solid colour to identify the ladder from the electricians ladder

A

False

77
Q

Hollow core concrete blocks may be used to support scaffolding

A

False

78
Q

A steel drum or vessel may have contain flammables, maybe cut with a welding torch if it has first been flushed with water

A

False

79
Q

A fire extinguisher should be available at all times during welding and cutting operations

A

True

80
Q

A match or a bic type lighter is suitable to light a B tank torch

A

False

81
Q

Oxygen fittings should not be lubricated with oil or grease

A

True

82
Q

Mushroom heads on chisel’s provide a bigger target for your hammer so should be left to reach a maximum size

A

False

83
Q

Paint your hardhat so you don’t lose it is this statement true or false?

A

False

84
Q

Contact lenses provide good eye protection, so extra eye protection is not required when grinding

A

False

85
Q

A shackle pin may be replaced with a bolt

A

False

86
Q

Water closet bowls are made from one piece of virtified China

A

False

87
Q

A cow’s foot is used to install a lavatory faucet

A

True

88
Q

The P-trap used under a kitchen sink may be hub to hub type with no clean out in the bowl of the trap

A

False

89
Q

The wax seal is installed onto the horn of the toilet bowl with the flat side of the wax seal facing the floor

A

True

90
Q

Neutral on the acid/alkali scale would be pH of seven

A

True

91
Q

Acid could have its pH raised by the addition of soda, Ash

A

True

92
Q

A water softener will require a drain for water waste

A

True

93
Q

Soften water is not good for irrigation because the soften water will leave a buildup of sodium salt in the soil

A

True

94
Q

The discharge from a water softener during its regeneration cycle is not harmful to the septic tank under normal circumstances

A

True

95
Q

A distribution box should be installed so that each lateral of the same length received the same flow of effluent

A

True

96
Q

Val’s used in medical gas systems are supplied as de-greased at the factory

A

True

97
Q

In medical gas systems empty gas supply is changed over to a reversal supply automatically

A

True

98
Q

In a medical gas system, the alarm panels must be located in an area of constant supervision

A

True

99
Q

A medical gas system must be inspected by a plumbing inspector before it can be put into service

A

False

100
Q

Diameter index safety systems D.I.S.S is found in a medical gas system

A

True

101
Q

In a medical gas system on audible alarm can be cancelled but a visual alarm can’t until the condition is rectified

A

True

102
Q

Trisodium phosphate (TSP) is the cleaner of choice if an on-site cleaning of medical gas fittings is required

A

True

103
Q

The normal line pressure inside a medical oxygen gas line is 75 psi

A

False

104
Q

If fluids get inside a medical vacuum line, it must be shut down and thoroughly cleaned and disinfected

A

True

105
Q

Air compressor for medical compressed air must be liquid ring or oil free

A

True

106
Q

High-pressure nitrogen is used for operating Bone saws in operation

A

True

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