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Master Plumber Licensure Exam

Total questions: 91

Worksheet time: 46mins

Name
Class
Date
1.

After caulking, the finished joint shall not extend more than mm below the rim of the hub.

a)

2.4

b)

3.2

c)

1.5

d)

2.3

2.

Plastic pipe and fittings designed to be joined by solvent cement shall comply with appropriate installation standards.

a)

IAPMO

b)

NPC

c)

NBC

d)

Sanitation Code

3.

Neoprene rubber shall be used in soils subject to .

a)

Pollution

b)

Oil intrusion

c)

Contamination

d)

Erosion

4.

Joints with thin walled copper tubing to thick walled threaded pipe shall be made by the use of adaptor fitting.

a)

Brass

b)

Copper

c)

Galvanized iron

d)

Cast iron

5.

No fitting or connections that offer abnormal obstruction to flow shall be used. The enlargement of mm closet bends or stub to 102 mm shall not be considered an obstruction.

a)

64

b)

72

c)

76

d)

102

6.

Brass or cast iron body cleanouts shall not be used as or adapter.

a)

Reducer

b)

Enlarger

c)

Fitting

d)

Union

7.

Type copper tubing may be used for water piping when piping is above ground inside or a top of a bldg., or underground outside of structures with outside protective coating.

a)

K

b)

L

c)

M

d)

N

8.

When pipe is joined by means of flexible compression joints, such joints shall conform to approved standards and shall not be considered as:

a)

Slip joints.

b)

Compression joints

c)

Flaring joints

d)

Soldering joints

9.

CPVC and PVC pipe and fittings shall be cleaned and joined with listed primer(s) and .

a)

Solvent cement

b)

Hot press welding

c)

Caulking

d)

Mechanical adapter

10.

Joints from copper tubing to threaded pipe shall be made by the use of

a)

Union patente

b)

Adapter fittings

c)

Coupling

d)

Street coupling

11.

It is that portion of the rainfall or other precipitation which runs off on the ground surface after a storm and for such short flood following a typhoon

a)

Splash flood

b)

Surface water

c)

Storm water

d)

Ground water

12.

Revocation of permit cancellation and rejection of new application for plumbing permit are imposed for the following ground.

a)

Improper conduct

b)

Bad faith

c)

Violation of the code

d)

All of the above

13.

A faucet opened or closed by the fall or rise of a ball floating in the surface of water is called:

a)

Float valve

b)

Bibb

c)

Ball cock

d)

Top faucet

14.

A receptacle attached to a plumbing system other than a trap in which wastes may be collected or retained for ultimate discharge into the plumbing system.

a)

Fixture

b)

Catch basin

c)

Roof drain

d)

Bleeder

15.

The level in a fixture at which water begin to overflow the top or rim of the fixture is called:

a)

Grade line level

b)

Flood level

c)

Flow level

d)

Crown level

16.

In plumbing a secondary pipeline, in sewerage a common sewer to which no other common sewer is tributary. It received sewage only from building sewer

a)

Lateral line

b)

Interceptor line

c)

House drain

d)

House service line

17.

The length along the centerline of the pipe and fittings is the .

a)

Diagonal length

b)

Diameter length

c)

Circumference length

d)

Development length

18.

A vent that also serves as drain is a (an) .

a)

Island vent

b)

Vent stack

c)

Loop vent

d)

Wet vent

19.

I.P.S. means

a)

INTERNATIONAL PIPE STANDARD

b)

INTERNAL PROCESS SYSTEM

c)

IRON PIPE SIZE

d)

INTERNATIONAL PRODUCT STANDARD

20.

All plumbing fixtures, drains, appurtenances and appliances, used to receive or discharge liquid wastes or sewage, shall be connected properly to the

a)

Storm sewage system

b)

Drainage system

c)

Directly to the ground

d)

None of the above

21.

Every building in which plumbing fixtures are installed shall have a connection to a

a)

Public or private sewer

b)

Sewage ejector

c)

Holding tank

d)

Cesspool

22.

No cast iron soil pipe shall be

a)

caulked

b)

Soldered

c)

threaded

d)

none of the above

23.

No drainage or vent piping shall be drilled and tapped for the purpose of making connections

a)

maybe

b)

false

c)

true

d)

sometimes

24.

Unless otherwise provided for in this Code, all materials, fixtures, or devices used or entering into the construction of plumbing systems, or parts thereof, shall be submitted to the

a)

Administrative Authority

b)

AHJ

c)

DWPH

d)

Sanitary Engineering Department

25.

Roofs, inner courts, vent shafts, light wells or similar areas having rain water drain, shall discharge to the outside of the building or to the gutter and shall not be connected to the sanitary drainage system unless first approved by the

a)

Building and safety

b)

Architect

c)

Administrative authority

d)

Zoning administrator

26.

Burred ends of all pipe and tubing shall be to the full bore of the pipe or tube and all chips shall be removed.

a)

Reamed

b)

Resize

c)

Remove

d)

None of the above

27.

A valve in which the flow of water is cut-off by means of a circular disc that fits against the valve end. The place of movement of the disc is parallel to the normal direction of flow of water which is turned through a tortuous passage to direct the flow to the face of the disc.

a)

Gate valve

b)

Globe valve

c)

Check valve

d)

Foot valve

28.

It is that part of a plumbing system extending from a point of about 0.60 meters from the outside face of the foundation wall of a building to any point of discharge.

a)

House drain

b)

House sewer

c)

Lateral

d)

Storm drain

29.

That part of the lowest piping of a drainage system that receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to a point 2 ft outside the building wall is a

a)

Building drain

b)

Waste pipe

c)

Building sewer

d)

Soil stack

30.

A horizontal drain that is sized to provide free movement of air above the flow line of the drain is called a

a)

Continuous waste system

b)

Durham waste and vent system

c)

Combination waste and vent system

d)

Solvent waste and vent system

31.

A term used which is contrary to sanitary principles or injurious to health is ______.

a)

Healthful

b)

Insanitary

c)

Polluted

d)

Unhealthy

32.

cPVC water pipe may be used for hot and cold water distribution system .

a)

Above ground only

b)

Underground only

c)

Within a building

d)

Outside of the building

33.

A vent in that portion of a vent pipe system through which liquid waste flow.

a)

Wet vent

b)

Individual vent

c)

Stack vent

d)

Yoke vent

34.

In case of renewal of plumbing permit, how much shall be paid?

a)

Twice the original amount

b)

Half of the original amount

c)

A third of the original amount

d)

A quarter of the original amount

35.

A type of pipe connection in which a ball shaped end is held in a cuplike shell and allows movements in every direction.

a)

Ball joint

b)

Ball coupling

c)

Ball connection

d)

Ball socket

36.

A controlled outlet of pipeline to discharge liquid or detritus.

a)

Drain pipe

b)

Drain outlet

c)

Blow off

d)

Washout drain

37.

Any fitting or connection which has an enlargement, chamber or recess with a ledge, shoulder or reduction of pipe area, that offers an obstruction to flow through the drain shall be

a)

Permitted

b)

Prohibited

c)

Adapted

d)

Declared

38.

Brass or cast iron body cleanouts shall be used as a reducer or adapter from cast iron drainage pipe to iron pipe size (IPS) pipe.

a)

Maybe

b)

False

c)

True

d)

Sometimes

39.

Joints between lead pipe and cast iron, steel or wrought iron shall be made by means of a

a)

Brazing

b)

Welding

c)

Solvent cementing

d)

Caulking ferrule or soldering nipple.

40.

Joints in copper tubing shall be made by the appropriate use of approved copper or

a)

Copper zinc fittings

b)

Copper alloy fittings

c)

GI fittings

d)

Brass fittings

41.

The tubing shall be reamed to the full inside diameter, resized to round and expanded with a proper

a)

Reaming tool

b)

Tubing tool

c)

Flaring tool

d)

Expanding tool

42.

Except for necessary valves, where inter-membering or mixing of dissimilar metals occur, the point of connection shall be confined to

a)

Un-exposed locations

b)

Accessible locations

c)

Not-accessible location

d)

Readily accessible locations

43.

All trenches deeper than the footing of any building or structure and paralleling the same shall be at least there from, unless permission is otherwise granted by the Administrative Authority.

a)

24 degree

b)

60 degree

c)

45 degree

d)

22.5 degree

44.

Hanger rod size for Pipe and Tube Sizing 8 inches

a)

3/8

b)

½

c)

5/8

d)

1/3

45.

When connecting plastic pipe to other types of piping, only approved types of designed for the specific transition intended shall be used.

a)

Standard coupling

b)

Bushing

c)

Fittings and adapters

d)

Union

46.

of approved plans, specifications and computations shall be retained by the Administrative Authority until final approval of the work covered therein.

a)

One set

b)

Two sets

c)

6 sets

d)

5 sets

47.

Threaded plastic pipe shall be minimum wall thickness

a)

schedule 40

b)

schedule 120

c)

schedule 10

d)

schedule 80

48.

Wiped joints shall have an exposed surface on each side of a joint not less than and at least as thick as the material being joined.

a)

19.1 mm

b)

20.5 mm

c)

21.4 mm

d)

25.5 mm

49.

Occurs to an increased reversed pressure above the supply pressure. This may be due to pumps, boilers, gravity and other source of pressure.

a)

Reverse pressure

b)

Backpressure backflow

c)

Negative pressure

d)

Pressure drop

50.

A horizontal vent connecting one or more individual vertical back vents with the vent stack.

a)

Main vent

b)

Horizontal main vent

c)

Stack vent

d)

Branch vent

51.

A fitting screwed or caulked over the end of a pipe for closing the end.

a)

Cap

b)

Cleanout

c)

Spigot

d)

Blank flange

52.

Copper tubing shall be marked by means of a continuous and indelibly colored stripe at least mm in width.

a)

6.4

b)

7.2

c)

7.6

d)

6.8

53.

What is the color coding for type k copper tubing?

a)

Blue

b)

Green

c)

Yellow

d)

Red

54.

Valves up to and including mm in size shall be all brass and bronze metal.

a)

102

b)

64

c)

51

d)

42

55.

ANSI means

a)

American National Standards Institute

b)

American National Specification Institute

c)

Association of National Sanitation Institute

d)

Association of National Specification Institute

56.

Plumbing Code for the City of Manila

a)

City Ordinance 4121

b)

City Ordinance 1124

c)

City Ordinance 2411

d)

City Ordinance 1241

57.

Drainage Fixture Unit of water closet, public installation

a)

6

b)

3

c)

4

d)

1

58.

National Plumbing Code prepared by NAMPAP was Promulgated and approved by Malacańang

a)

June 18, 1955

b)

June 8, 1959

c)

January 28, 1959

d)

January 18, 1955

59.

Identify a connection in which a ball is held in or cup like shell that allow movement in any direction.

a)

Universal joint

b)

Ball joint

c)

Screwed joint

d)

Bell & spigot joint

60.

A receptacle designed and constructed to separate and prevent the passage of oil, grease, lard or other materials into the drainage system.

a)

Interceptor

b)

Grease trap

c)

Manhole

d)

Catch basin

61.

An outhouse or structure used for deposition of excrement in rural area

a)

septic vault

b)

privy

c)

leaching cesspool

d)

latrine

62.

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

a)

seal

b)

goose neck

c)

fixture drain

d)

leader

63.

A metallic sleeves, caulked or other wing joined to an opening in a pipe, into which a plug is screwed that can be removed for the purpose of cleaning and examining the interior of the pipe.

a)

Flashing

b)

Ferrule

c)

Clean out

d)

Cap

64.

A set of regulation adapted by an administrative agency that has jurisdiction over materials and design specification in plumbing.

a)

Plumbing code

b)

Building code

c)

Sanitary code

d)

Water Code

65.

A pipe flange that is not drilled for bolt holes.

a)

Blind flange

b)

Blank flange

c)

Flat flange

d)

Bolted flange

66.

A non-watertight lined excavation in the ground which receives the discharge of a sanitary drainage system permitting the liquid to seep through the bottom and sides.

a)

Privy

b)

Cesspool

c)

Disposal field

d)

Seepage pit

67.

A vertical vent that is a continuation of a drain to which it connects is a ____.

a)

Circuit vent

b)

Continuous vent

c)

Relief vent

d)

None of the above

68.

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

a)

Liquid waste

b)

Waste water

c)

Soil waste

d)

Waste pipe

69.

An arrangement of venting so installed about one vent pipe will serve two traps

a)

Unit vent

b)

Side vent

c)

Circuit vent

d)

Back vent

70.

A vertical pipe usually used for the storage of water frequently under pressure

a)

Riser pipe

b)

Stand pipe

c)

Pressure pipe

d)

Service pipe

71.

The part of a plumbing system other than the main riser or stack.

a)

Lateral

b)

Vent

c)

Branch

d)

Downspout

72.

A pit or receptacle at its lowest point of a basement floor to which the liquid waste are drained;

a)

Sub drain

b)

Sump pit

c)

Underground tank

d)

House drain

73.

A fitting into which the end of a pipe is screwed for the purpose of closing the end of the pipe is called:

a)

Blank flange

b)

Blind flange

c)

Cap

d)

Plug

74.

A stop valve place in a service pipe near its connection with the water main is called

a)

Service cock

b)

Corporation cock

c)

Stop cock

d)

Gate valve

75.

Type of Joints for soft copper water tubing shall be made with fittings meeting approved standards. The tubing shall be expanded with a proper flaring tool.

a)

Flared joints

b)

Solder & Sweat joints

c)

Cement Mortar Joints

d)

Burned Lead Joints

76.

What is the minimum size of connections for the cold water line for bathtub, bidet, and combination sink and tray?

a)

19 mm

b)

13 mm

c)

25.3 mm

d)

332 mm

77.

Revised Plumbing Code of 1999 was approved by President Joseph Estrada

a)

December 21, 1999

b)

October 12, 1999

c)

June 2, 1999

d)

August 18, 1999

78.

Caulked on closet ring or closet flanges shall not be less than mm thick and not less than 51 mm in overall depth.

a)

7.2

b)

6.4

c)

5.4

d)

3.4

79.

Gate valves, when used in drainage work, shall be a full way type with working parts of corrosion resistant metal. Sizes mm or larger in diameter shall have a cast iron bodies.

a)

102

b)

104

c)

106

d)

108

80.

Brass or copper ground joint, flared on ferrule type connections when made up shall not considered as joints.

a)

Flange

b)

Slip

c)

Screw

d)

Welded

81.

Copper tube shall not be used for piping carrying chemical or industrial wastes. Copper tube for water supply piping shall have a weight of not less than type .

a)

K

b)

L

c)

M

d)

N

82.

What is the color coding for type DWV copper tubing?

a)

Blue

b)

Green

c)

Yellow

d)

Red

83.

Closet or closet flange shall be approx., mm in diameter and when installed shall together with soil pipe, present a 38 mm wide flange and groove face to receive the fixture gasket or ball wax

a)

178

b)

152

c)

302

d)

104

84.

The joints between the copper tubing and fittings shall be properly sweated or soldered or made with flared and screw ends adaptor fittings, the connection between the threaded pipe and the fitting made with a standard pipe size ____ joint.

a)

Flange

b)

Slip

c)

Screw

d)

Welded

85.

Approved unions may be used in drainage work when accessibly located in the trap seal or between a fixture and its trap in the vent system except ____ or in wet vents, at accessible joints in the water supply piping system and in gas piping.

a)

Dry vent

b)

Air vent

c)

Soil pipe

d)

Underground

86.

What is the color coding for type L copper tubing?

a)

Blue

b)

Green

c)

Yellow

d)

Red

87.

For flush tank supplies, the available pressure may not be less than kpa.

a)

8 psi

b)

5 psi

c)

15 psi

d)

13 psi

88.

In getting the result in the loss in static pressure in kpa, multiply the difference in elevation by

a)

9.79

b)

8.72

c)

8.93

d)

9.82

89.

If the highest group of the fixture contains Flushometer valves the pressure for the group should not be less than psi.

a)

8 psi

b)

12 psi

c)

15 psi

d)

20 psi

90.

A vent pipe connecting from a branch of a drainage system to a vent stack

a)

Looped vent

b)

Branch vent

c)

Yoke vent

d)

Dry vent

91.

Identify the extended portion of a pipe that is closed at one end to which no connection are made on the extended portion; thus permitting the stagnantation of water or air therein.

a)

Clean out

b)

Dead end

c)

Faucet

d)

Lateral line