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  • 問題数 97 • 7/5/2024

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    問題一覧

  • 1

    No more than _____ of the total permitted length of any minimum sized vent shall be installed in a horizontal position

    1/3

  • 2

    The pipe color associated for fire lines

    Red

  • 3

    What is the prescribed distance of well from septic tank

    15.2

  • 4

    The maximum graduent of ramp shall be:

    1:12

  • 5

    What is the maximum horizontal distance of a 1-1/2 trap arm to vent

    1.07

  • 6

    What do you call that fitting which used to connect the male end of a pipe to a fitting of a larger size

    Bushing

  • 7

    What tool is used to drill a 3” hole through a wooden partition to the pipe?

    Pipe hole saw

  • 8

    A type of elbow with a third opening perpendicular to the plain of the run

    Side-outlet elbow

  • 9

    Specification for Hubless Cast Iron Soil Pipe and fittings for sanitary and storm, drain, waste and vent piping applications

    ASTM A888-20

  • 10

    Specification for Carbon Steel Alloy

    ASTM A53

  • 11

    The recommended minimum shower head height from the floor for emergency showers

    208.3

  • 12

    WSFU of public sink or dishwasher

    4

  • 13

    How do you get the depth of equivalent area of rectangular gutter

    Multiply the diameter by 0.392

  • 14

    DFU Capacity of a 100mm dia.stack

    256

  • 15

    What will happen if a drainage piping is placed at a slope of 10mm/m due to structural conditions

    Decrease in DFU loading

  • 16

    WSFU for private water closet flush tank

    3

  • 17

    What is the size of vent for a blowoff condenser and sumps with a boiler blow off size 19mm?

    51mm

  • 18

    Extension height of vent stack above the roof

    150mm

  • 19

    Minimum distance between the door or entry to the drain opening

    1.2m

  • 20

    Maximum space between gutter in showers

    4.9 m

  • 21

    Water heating method suitable for use for shower and lavatory

    Multi-point water heater

  • 22

    Any joint or seam obtained by the joining of metal parts in a plastic molten state.

    Welded and Seam

  • 23

    The lead shall be caulked thoroughly at the inside and outside edges of the joint. After caulking, the finished joint shall be not extend more than below the rim of the hun.

    3.2 mm

  • 24

    All hard drawn copper tubing shall be marked by means of a continuous and indeliby colored stile at least _____ in width

    6.4 mm

  • 25

    Caulked-on closet rings or closet flanges shall not be less than ____ thick and not less than 51 in overall depth

    6.4 mm

  • 26

    Extension of partition or baffles between compartment above the liquid level of a septic tank.

    101.6 mm

  • 27

    1 Bar = ____ PSI

    14.50

  • 28

    Every building with ____ shall be equipped with one or more dry standpipes

    4 or more storeys

  • 29

    Used as a terminal of the soil branch on each floor

    Aerator

  • 30

    Maximum distance for the supports of vertical CISP

    Every storey

  • 31

    For Class I system, the highest landing of stairways with stairway access to a roof must have an additional ____ hose connection

    64mm

  • 32

    Interceptros for laundry equipment shall prevent the passage of solids with dimension of ____ or larger

    12.7 mm

  • 33

    Cooling and air-conditioning equipment may be separated by an ____.

    Airbreak

  • 34

    The maximum lenght of Vent piping allowed on a 4” soil stack.

    91 m

  • 35

    Clean Water Act

    RA 9275

  • 36

    Volume of sample for color and turbidity test is preferably not less than

    100 ml

  • 37

    Excavated soil (spoils) and other materials must be kept at least _____ from trench edges.

    2 ft

  • 38

    Wallboard saw is used to cut _____

    Small cuts and holes into drywall

  • 39

    A fixture carrier for fixtures is installed _____

    During the rough-in phase of construction

  • 40

    When the shower receptors are built above ground the sub-floor and rough side of walls to a height of no less than ____ above the top of the finished dam or threshold shall be first lined with sheet lead or copper or with other durable and watertight materials

    76mm

  • 41

    Storage factor for fully equipped commercial kitchen that operates for 16 hours

    2

  • 42

    Wastes detrimental to the public sewer system or to the functioning of the sewage treatment plant shall be treated and disposed as of found necessary and as directed by the administrative Authority or other authorities having jurisdiction

    Industrial Waste

  • 43

    Minimum total inlet area of dome-type strainers

    1 1/2 times the area of the outlet pipe

  • 44

    A section of potable water pipe which contains water that has no flow or does not circulate

    Dead leg

  • 45

    What is the minimum dimension of the inlet section of a sand interceptor

    0.2 sqm

  • 46

    Refers to the manner of planning the layout and re-routing of the pipes to reach the point of service

    Direct connection

  • 47

    Maximum number of fixtures supported by a grease trap

    4 fixtures max

  • 48

    Trap arm size for laundry tubs

    38mm

  • 49

    How do you install the ballcock within a water closet tank

    25 mm above the full opening of the overflow pipe

  • 50

    No galvanized wrought iron or galvanized steel pipe shall be used underground and shall kept at least ____ above ground

    6”

  • 51

    The point of connection between a flushometer valve and the water closet bowl

    Spud

  • 52

    The minimum size of any pump discharge or any discharge pipe from a sump having a water closet connected thereto shall not be less than ____

    2”

  • 53

    Maximum chlorine levels of potable water in mg/L

    5 mg/L

  • 54

    All such pumps and receiving tanks shall be automatically discharged and when rated as “public use” occupancy, shall be provided with _____

    Dual pumps

  • 55

    For cesspools, when a strata of gravel or equally pervious material of ______ thickness is found, the depth of such sidewall need not to be more than 3.1m below the inlet

    1.2 m

  • 56

    Air-conditioning condensate waste pipes shall connect indirectly to the drainage system through an air gap or airbreak to the following,except:

    Cesspool

  • 57

    An approved elastomeric sealing gasket with an approved outer shield and a tightening mechanism.

    Shielded Coupling

  • 58

    In Air tests, a uniform gauge pressure of ______ must be maintained.

    5 psi (34.4 kpa)

  • 59

    The following are allowable traps except:

    Bag traps

  • 60

    Allowable lead content for solders and fluxes used in potable

    0.2%

  • 61

    Method of joining medical gas tube.

    Brazing, compression coupling

  • 62

    How many maximum water closets are allowed on a 152 mm soil stack?

    4

  • 63

    Tunnels shall have a clear height of _____ above the pipe.

    0.6 m

  • 64

    A fluid containment device used to neutralize pressure in conveyance and other processing systems

    Surge Tank

  • 65

    Sprinkler head spacing for light and ordinary hazard

    4.6 m

  • 66

    They are automatic and require no motor since they depend for operation upon water hammer that is surging back and forth in a pipe when suddenly brought to rest.

    Hydraulic Rams

  • 67

    For seepage pits in areas where the records or data include that the ground waters are grossly degraded, the _____ separation requirement may be reduced by the administration

    3.0 m

  • 68

    Minimum horizontal distance from building sewer to on-site domestic water service line.

    0.3 m

  • 69

    Distance of water supply wells to building sewer using drainage piping materials approved for use within a building

    7.6 m

  • 70

    Minimum trench bottom area of disposal fields

    14 sqm

  • 71

    What section of RA 1378 refers to the creation of a Board of Master Plumbers within 30 days after approval of the act

    Section 3

  • 72

    Maximum distance between manholes

    91 meters

  • 73

    ______ faucets shall be installed on lavatories intended to serve the transient public

    Metering

  • 74

    The air test shall be made by attaching an air compressor testing apparatus to ______.

    Any suitable opening

  • 75

    What is the minimum waste pipe size of a shower in a combination waste and vent system (CW & VS)

    Two pipe size larger

  • 76

    Preferred when a piece of pipe needed is shorter than 150cm long

    Double Hub

  • 77

    A tool for straightening or bending lead pipe

    Bending Pin

  • 78

    In tunneling, when the pipe is driven, the drive pipe shall be at least ______ of pipe size larger than the pipe to be laid

    One

  • 79

    Horizontal drainage lines connecting to other horizontal drainage lines shall be connected with the following,except:

    Sanitary Tee

  • 80

    Shall not be used for urinal tailpiece or trap

    Brass and Copper

  • 81

    Vertical installation of double sanitary tees may be used when the barrel of the fitting as at least ______ pipe sizes larger thsn the largest side inlet.

    2

  • 82

    Suspended horizontal Cast Iron Soil Pipe lines shall be suitably ____ to prevent horizontal movement.

    Braced

  • 83

    No waste connection shall be made to a closet bend of stub of a water closet or similar fixtures.

    True

  • 84

    Which is not considered as a plumbing fixture?

    Cleanout

  • 85

    All whirlpool bathtubs shall comply with the following requirements,except:

    The circulation pump shall be located below the crown weir of the trap

  • 86

    In the complete set, where can you find plumbing, heating and airconditioning plans and details?

    Mechanical Drawings

  • 87

    The air test shall be made by attaching an ____ to any suitable opening

    Air compressing Testing Apparatus

  • 88

    Valves up to and including 51 mm in size shall be ____ or other approved materials

    Brass

  • 89

    ________ shall be installed before each water-supplied appliance slip joint, supply pipings for non-metallic fixture and appliance.

    Control Gate Valve

  • 90

    Lawn Sprinkling Systems shall be equipped with listed _____ installed on the discharge side of each of yhe last shutoff valve

    AVB

  • 91

    Any branch in a combination waste and vent system more than _____ lenght shall be separately bented in an approved manner

    4.6 m

  • 92

    The provision of lavatory for secondary schools

    1 per 40 males and 1 per 30 females

  • 93

    Cleanout size for 64mm size

    64mm

  • 94

    Traps for clotheswasher standpipe receptor shall be roughed no less than _____ and not more than ____ above the floor

    0.15 m to 0.45 m

  • 95

    Wet venting is limited to vertical drainage piping receiving the discharge from the trap of ______

    1 and 2 fixture unit

  • 96

    The employer shall distribute portable fire extinguishers for use by employees on Class A fires so that the travel distance for employees to any extinguisher is ______

    75 feet

  • 97

    Indirect waste pipes exceeding ______ but less than 4.6 meters length shall be directly trapped, but such traps need not be vented.

    1.5 m