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RAIN SANITATION, DESIGN AND INSTALLATION

Total questions: 101

Worksheet time: 3hrs 32mins

Name
Class
Date
1.

An impairment of the quality of the water to a degree which creates hazard to the public health and adversely affects the aesthetic and potable qualities of waters for domestic use.

a)

pollution

b)

contamination

c)

high hazard

d)

all of the above

2.

No underfloor cleanout in any residential occupancy shall be located more than ____ from an access door, trap door or crawl hole.

a)

4.5 m

b)

6.5 m

c)

6.8 m

d)

6.1 m

3.

Size of Clean Out attached to a pipe of 64 mm.

a)

38 mm

b)

64 mm

c)

76 mm

d)

89 mm

4.

The end of a pipe which fits into a bell. Also a word used synonymously with faucet

a)

bib

b)

spigot

c)

male end

d)

connection

5.

A vertical vent line, the primary function of which is to provide additional circulation of air between the drainage and vent systems or to act as an auxiliary vent on a specially designed system such as a ‘’yoke vent” connection between the soil and vent stacks.

a)

relief vent

b)

loop vent

c)

main vent

d)

stack vent

6.

The reconstruction or renewal of any part of an existing building for its maintenance.

a)

renovation

b)

repair

c)

expansion

d)

retrofit

7.

A manufactured device or a prefabricated assembly or an on-the-job assembly of component parts, and serves as adjunct to the basic piping system and plumbing fixtures. An appurtenance demands no additional water supply nor does it add any discharge load to a fixture or the drainage system. It performs some useful functions in the operation, maintenance, servicing, economy or safety of the plumbing system.

a)

plumbing system

b)

plumbing fixtures

c)

plumbing appliance

d)

plumbing appurtenance

8.

A stack as defined in the code

a)

Vertical main soil, waste or vent piping

b)

Any vertical vent

c)

the main vent

d)

horizontal main

9.

Air pressure in drainage pipes greater than the atmospheric pressure

a)

Standard pressure

b)

Normal pressure

c)

back pressure

d)

barometric pressure

10.

Include all valves and controls used in plumbing systems which are accessible.

a)

regulators

b)

plumbing system

c)

cleanout

d)

regulating equipment

11.

A drain connecting the compartments of a certain fixture to its trap is called.

a)

Combination waste and vent

b)

Continuous waste

c)

Special waste

d)

Indirect waste

12.

A condition in the distribution system where it could damage or create condition that will damage components of the distribution system or create a nuisance is termed as?

a)

Excessive water pressure

b)

Loss of pressure

c)

Excessive air pressure

d)

Loss of water flow

13.

A single area of land legally recorded or validated by other means acceptable to the Administrative Authority where a building is situated or site of any work regulated by this Code

a)

yard

b)

court

c)

lot

d)

parcel

14.

Water satisfactory for drinking, culinary and domestic purposes and meets the requirements of the Philippine National Standards for Drinking Water.

a)

Clean water

b)

potable water

c)

drinkable water

d)

mineral water

15.

Any system of continuous piping, which is the principal artery of the system where branches are connected.

a)

main

b)

main sewer

c)

main vent

d)

stack

16.

A large opening in a sewer line or part of a plumbing system constructed with sufficient size for a man to gain access therein for maintenance purposes and facility for changes of line and/or grade of pipe line.

a)

access

b)

confined space

c)

manhole

d)

none of the above

17.

The extension of a soil or waste stack above the highest horizontal drain connected to the stack.

a)

vent stack

b)

stack vent

c)

main vent

d)

all of the above

18.

An approved tank or pit which receives sewage or wastewater and is located below the normal grade of the gravity system and must be emptied by mechanical means.

a)

subsoil drain

b)

underground water

c)

basement water

d)

sump

19.

A fitting or device designed and constructed to provide, when properly vented, a liquid seal which prevents the backflow of foul air or methane gas without materially affecting the flow of sewage or wastewater through it.

a)

tapped tee

b)

trap

c)

trap arm

d)

trap seal

20.

A vertical opening through a building for elevators, dumbwaiters, lights, ventilation or similar purposes

a)

chase

b)

sump

c)

shaft

d)

open

21.

.A hose fitting with clapper valves for combining the flow from two or more lines of hose into a single stream. The inlet fitting of a fire standpipe located above ground level.

a)

Hose bib

b)

twin line

c)

siamese connection

d)

dual pipes

22.

A suction created by the flow of liquids in pipes. A pressure less than atmospheric.

a)

siphonage

b)

back-siphonage

c)

back flow

d)

back pressure

23.

Hemp or old hemp rope soaked in oil or tar to make it waterproof

a)

oakum

b)

bitumen

c)

vulcaseal

d)

putty

24.

Any branch in a building drain other than the primary branch

a)

secondary branch

b)

first branch

c)

storm drain line

d)

service branch

25.

A loosely lined excavation in the ground which receives the discharge of a septic tank and designed to permit the effluent from the septic tank to seep through pit bottom and sides .

a)

leaching pit

b)

septic vault

c)

trench

d)

seepage pit

26.

Tube made of plastic material and colored black. The cross-sectional shape is normally oval and is denoted by its outside diameter or O.D. Normally used as water service connection from main to meter.

a)

a) pe

b)

b) pb

c)

c) ppr

d)

pvc

27.

An adjustable tubing connection, consisting of a compression nut, a friction ring, and a compression washer designed to fit a threaded adapter fitting or a standard taper pipe thread.

a)

Shielded coupling

b)

union

c)

slip joint

d)

bushing

28.

In plumbing, a secondary pipeline. In sewerage, a common sewer to which no other branch sewer is connected. It receives sewage from building sewer service connections only.

a)

lateral

b)

branch

c)

stack

d)

riser

29.

A vertical vent connection on a horizontal soil or waste pipe branch at a point downstream of the last fixture

connection and turning to a horizontal line above the highest overflow level of the highest fixture connected

thereat; the terminus connected to the stack vent in the case of loop venting or to the vent stack nearby in the

case of circuit venting.

a)

loop or circuit vent

b)

vent stack

c)

stack vent

d)

vstr

30.

The maximum vertical depth of liquid that a trap will retain measured between the crown weir and the top of the dip of the trap.

a)

trap limit

b)

trap

c)

trap arm

d)

trap seal

31.

A cylindrical conduit or conductor conforming to the particular dimensions commonly known as pipe size, and is denoted by its interior diameter or l.D.

a)

pipe

b)

tube

c)

culvert

d)

chase

32.

A cesspool that is not watertight.

a)

leaching cesspool

b)

septic tank

c)

privy

d)

leaching pit

33.

Is the discharge from any fixture, appliance or appurtenance in connection with a plumbing system which does not receive fecal matter.

a)

Black water

b)

grey water

c)

liquid waste

d)

waste

34.

Any one of a special class of device or equipment intended to perform a special plumbing function.

a)

plumbing system

b)

plumbing fixtures

c)

plumbing appliance

d)

plumbing appurtenance

35.

Wastes which require some special methods of handling such as the use of indirect waste piping and receptors; corrosion-resistant piping sand, oil or grease interceptors, condensers or other pretreatment facilities.

a)

Sacrarium waste

b)

Domestic waste

c)

Special wastes

e

d)

Hazardous wast

36.

A sole proprietorship or corporation composed of Registered and Licensed Master Plumbers together with allied

professionals, with the Master Plumbers composing the majority of the membership, incorporators, directors

and/or executive officers and Licensed Master Plumber only render work and services within the cognizance of

a Registered Master Plumber and members of the allied professions also only render work and services within

the cognizance of their respective professions.

a)

Accredited professional organization

b)

plumbing firm

c)

plumbing corporation

d)

plumbing company

37.

Includes all potable water supply and distribution pipes, all plumbing fixtures and traps; all sanitary and storm

drainage systems; vent pipes, roof drains, leaders and downspouts; and all building drains and sewers, including

their respective joints and connections; devices, receptacles, and appurtenances within the property water lines

in the premises: potable, tap, hot and chilled water pipings, potable water treating or using equipment; fuel gas

piping; water heaters and vents for same.

a)

plumbing system

b)

plumbing unit

c)

plumbing plans

d)

plumbing design

38.

The horizontal distance of trap arms when its diameter is 32 mm

a)

0.76 m

b)

1.07 m

c)

1.52 m

d)

3.05 m

39.

A sewer intended to receive sanitary sewage with or without pre-treated industrial wastes and without the admixture of rain or ground water.

a)

sewer

b)

drainage

c)

sanitary sewer

d)

main sewer

40.

A minimum standard quantity of plumbing fixtures that discharge wastes into a plumbing installation including:

one (1) water meter,

one (1) water closet,

one (1) lavatory,

one (1) shower head and drain tor a bathtub or shower stall,

one (1) kitchen sink,

one (1) laundry tray and

three (3) floor drains and four

(4) faucets/hose bibs.

a)

Fixture unit

b)

Quantity

c)

Flow rate

d)

plumbing unit

41.

The normal force exerted by a homogeneous liquid or gas, per unit of area on the wall of the container

a)

viscosity

b)

residual pressure

c)

pressure

d)

static pressur

42.

The pressure available at the fixture or water outlet; allowance is made for pressure drop due to friction loss, head, meter and other losses in the system during maximum demand period.

a)

viscosity

b)

residual pressure

c)

pressure

d)

static pressure

43.

Of the building drain is the single sloping drain from the base of a stack to its junction with the main building drain.

a)

primary branch

b)

branch

c)

secondary branch

d)

building sewer

44.

In classification of plumbing fixtures, "private" applies to the following, except:

a)

plumbing fixtures in residences and apartments

b)

private bathrooms in hotels and hospitals

c)

rest rooms in commercial establishments for restricted use

d)

none of the above

45.

A building sewer, which receives the discharge from more than one building drain and conveys it to a public sewer, private sewage disposal system, or other points of disposal.

a)

Public sewer

b)

Primary branch

c)

Common sewer

d)

Private sewer

46.

a pipe connected from building gutter to the downspout or conductor.

a)

leader

b)

gutter

c)

roof drain

d)

splash

47.

Laundry equipment that does not have integral strainers shall discharge into an interceptor having a wire basket or similar device, that is removable for cleaning and that will prevent passage into the drainage system of solids ____ or larger in maximum dimension, such as string, rags, buttons, or other solid materials detrimental to the public sewerage system.

a)

10.7 mm

b)

12.7 mm

c)

17.3 mm

d)

21.1 mm

48.

An outhouse or structure used for the deposition of excrement.

a)

privy

b)

cesspool

c)

leaching cesspool

d)

private sewer

49.

PVC drainpipes are manufactured with toxic components and are color-code, except

a)

gray

b)

orange

c)

black

d)

brown

50.

Is an agency accepted by the Administrative Authority in the business of listing nr labeling and which maintains a periodic inspection program on current production of listed modes, and makes available a published repot1 of such listing where specific information is included tint the product has been tested against approved standards and found safe for use in a specific manner.

a)

Approved testing agency

b)

inspection agency

c)

c) NAMPAP

d)

listing agency

51.

The vertical distance between the dip and the crown weir of a trap.

a)

P-trap

b)

diameter

c)

tailpiece

d)

seal

52.

Tube made of plastic material and colored black. The cross-sectional shape is circular and is denoted by its outside diameter or O.D.

a)

pe

b)

pb

c)

ppr

d)

pvc

53.

An approved plumbing fixture or device of such materials, shape and capacity to adequately receive the discharge from indirect waste pipes, constructed and located to be readily cleaned.

a)

receptor

b)

drain

c)

p-trap

d)

rim

54.

A water closet consisting of a continuous trough containing water. The trough extends under two or more adjacent seats. Prohibited by health authorities for permanent installations.

a)

one-piece

b)

wall-hunged

c)

latrine

d)

pail-wash

55.

A comprehensive term, including all constructions for collection, transportation, pumping, treatment and final disposition of sewage.

a)

sewer

b)

sewerage

c)

sanitary line

d)

drainage

56.

A fixture designed for the washing of the hands or face. Sometimes called a wash basin.

a)

kitchen sink

b)

catch basin

c)

bidet

d)

lavatory

57.

The installation of all pipings and fitting parts of the plumbing system, which can be completed prior to the installation of fixtures and accessories.

a)

roughing-in

b)

fit outs

c)

plumbing system

d)

pipe lines

58.

The wastewater containing human excrements and liquid household waste. Also called domestic sewage.

a)

sewage

b)

sewerage

c)

sanitary sewage

d)

grey water

59.

A water-tight receptacle which receives the discharge of a sanitary plumbing system or part thereof, designed and constructed to retain solids, digest organic matter through a period of detention and to allow the liquids to discharge into the soil outside of the tank through a system of open-jointed sub-surface pipings or a seepage pit meeting the requirements of this Code.

a)

STP

b)

privy

c)

septic tank

d)

cesspool

60.

The principal artery of the venting system to which vent branches are connected.

a)

main vent

b)

vent stack

c)

stack vent

d)

loop vent

61.

The pipe from the street water main or other source of water supply to the building served.

a)

private water line

b)

service pipe

c)

water supply pipe

d)

adjunct pipe

62.

A pipe or conduit for carrying sewage and wastewater.

a)

sewer

b)

sewerage

c)

sanitary line

d)

drainage

63.

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

a)

shielded coupling

b)

bitumen

c)

slip joint

d)

oakum

64.

Any pipe, which conveys the discharge of water closet, urinal or fixtures having similar functions, with or without the discharges from other fixtures to the building drain or building sewer.

a)

stack

pipe

b)

sanitary line

c)

branch

d)

soil pipe

65.

Made up two 90° bends with inside and outside threads, flanged or welded fittings~ and applied also to a one hundred eighty degrees bend in copper tubings.

a)

goose neck

b)

p-trap

c)

return bend

d)

valves

66.

A pipe joint obtained by joining metal parts with metallic mixtures or alloys which melt at a temperature below 427 degrees centigrade and above 149 degrees centigrade.

a)

brazed joint

b)

soldered joint

c)

welded joint

d)

flanged join

67.

That portion of the rainfall or other precipitation which runs off over the earth surface after a storm.

a)

storm water

b)

rain water

c)

run off

d)

groundwater

68.

That portion of a building included between the upper surface of any floor and the upper surface of the floor next above.

a)

floor line

b)

partition

c)

leveling

d)

storey

69.

An underground drainpipe that receives only subsurface or seepage water and convey it to a sump for disposal by gravity flow or by lift pump.

a)

subsoil drain

b)

under drain

c)

ground pipe

d)

building drain

70.

A vertical soil pipe conveying fecal matter and wastewater.

a)

Main stack

b)

Soil riser

c)

Building drain

d)

Soil stack pipe

71.

A pipe or shaft to convey foul air from a plumbing fixture or a room to the outer air.

a)

loop vent

b)

local vent

c)

individual vent

d)

vstr

72.

An unobstructed top open edge of a fixture.

a)

pedestal

b)

c/l

c)

receptor

d)

rim

73.

A water supply pipe, which extends vertically to one full story or more to convey water into pipe branches or plumbing fixtures.

a)

stack

b)

riser

c)

main

d)

vertical line

74.

Not more than ___ trap shall be permitted on a trap arm.

a)

One

b)

Two

c)

Three

d)

Four

75.

It is provided, however, that one trap may serve a set of not more than three (3) single compartment sinks or laundry tubs of the same depth or three (3) lavatories immediately adjacent to each other and in the same room if the waste outlets are not more than _____ apart and the trap is centrally located when three (3) compartments are installed.

a)

0.5 m

b)

0.75 m

c)

1.0 m

d)

1.2 m

76.

A pit beneath a privy where excrement collects.

a)

Underground pit

b)

cesspool

c)

privy vault

d)

sump

77.

That portion of rainfall or other precipitation which runs off over the surface of the ground.

a)

Storm water

b)

Run off

c)

Ground water

d)

Surface water

78.

A water basin used for swimming designed to accommodate many bathers at a time and properly connected to a disposal system, fills and draws water supply or provided with approved water purification and recirculation system.

a)

Lap pool

b)

jacuzzi

c)

swimming pool

d)

community bath tub

79.

A common sewer directly controlled by public authority to which all abutters have equal rights of connections

a)

public sewer

b)

private sewer

c)

primary branch

d)

main sewer

80.

Design the size of a roof drain given the following details:

• 130 sqm roof area

• Location is in Manila

• Use Table 11-4 of code

What is the rain fall rate?

a)

mm per hour

b)

75 mm per hour

c)

100 mm per hour

d)

125 mm per hour

81.

Design the size of a roof drain given the following details:

• 130 sqm roof area

• Location is in Manila

• Use Table 11-4 of code

What is the size of the roof drain?

a)

100 mm

b)

150 mm

c)

75 mm

d)

50 mm

82.

Design the size of a roof drain given the following details:

▪ 155 sqm roof area

▪ Location is in Manila

a)

100 mm

b)

150 mm

c)

75 mm

d)

50 mm

83.

Design the size of a downspout given the following details:

151 sqm roof area

▪ Use Table 11-4 of code

a)

50 mm per hour

b)

75 mm per hour

c)

100 mm per hour

d)

125 mm per hour

84.

Design the size of a downspout given the following details:

▪ 151 sqm roof area

▪ Use Table 11-4 of code

What is the size of the roof drain?

a)

100 mm

b)

150 mm

c)

75 mm

d)

50 mm

85.

Identify the part of the plumbing system indicated with number 6

a)

individual vent

b)

vent stack

c)

relief vent

d)

wet vent

86.

Identify the part of the plumbing system indicated

a)

individual vent

b)

stack vent

c)

relief vent

d)

wet vent

87.

Cleanouts may be omitted on short horizontal drainage pipe installed at slope of ______ degrees or less from the vertical line

a)

45

b)

72

c)

85

d)

102

88.

Maximum diameter for a drainage pipe with 46 DFU.

a)

38 mm

b)

51 mm

c)

65 mm

d)

76 mm

89.

An additional cleanout shall be provided on a horizontal line with an aggregate offset angle of direction exceeding ____ degrees.

a)

102

b)

125

c)

135

d)

150

90.

Max trap loading for pipe size of 76 mm.

a)

3 FU

b)

4 FU

c)

6 FU

d)

8 FU

91.

Each cleanout in piping 51 mm or less in size shall be installed so that there is a clearance of not less than ____ mm in front of the cleanout.

a)

305 mm

b)

450 mm

c)

500 mm

d)

600 mm

92.

Minimum trap diameter for Bath tubs.

a)

25 mm

b)

38 mm

c)

51 mm

d)

76 mm

93.

Cleanouts in piping larger than 51 mm shall have a clearance of not less than ____ in front of the cleanout .

a)

305 mm

b)

450 mm

c)

500 mm

d)

600 mm

94.

Are approved-type installed receptacles. Devices or appliances supplied with water or receive liquid or liquid borne wastes and discharge such wastes into the drainage system to which they may be directly or indirectly

connected.

a)

plumbing system

b)

plumbing fixtures

c)

plumbing appliance

d)

plumbing appurtenance

95.

The Administrative Authority or the officer charged with the administration and enforcement of the National Plumbing Code, or his regularly authorized deputy.

a)

City or municipal engineer

b)

plumbing official

c)

registered master plumber

d)

building official

96.

That portion of a fixture drain between a trap and the vent.

a)

tapped tee

b)

trap

c)

trap arm

d)

trap sea

97.

Identify the part of plumbing system indicated with (questioner)

a)

branch

b)

horizontal pipe

c)

house drain

d)

house sewer

98.

Identify the part of plumbing system indicated with number 2

a)

vent stack

b)

soil stack

c)

main soil and waste stack

d)

stack vent

99.

the pipe that connects a trap serving a fixture to another part of a drainage system.

a)

back vent

b)

outlet

c)

waste drain

d)

fixture drain

100.

Identify the the part of plumbing system indicated with number 4

the vertical section of a plumbing drainage system of soil, waste, or vent piping, rising through one or more stories of a building

a)

soil stack

b)

stack vent

c)

vent stack

d)

main sewage line

101.

distance along a soil or waste stack corresponding to a story height, but not less than 8 feet, within the horizontal branches from one floor or story of a structure are connected to the stack

a)

floor gap

b)

storey gap

c)

main branch

d)

branch interval