When joints are permitted on a copper tubing that are laid or run underground they shall be____________.

soldered

brazed

Flux

flared

Correct! Wrong!

Changes and direction of drainage piping shall be made by the appropriate use of approve fittings.

22. 5⁰ (1/6)

45⁰ (1/8)

60⁰ (1/6)

equivalent sweeps

all of the above

Correct! Wrong!

No water closet and bidet shall be set closer than from its center to any side of the wall or obstruction?

0.3 m

0.6 m

0.375 m

0. 73 m

Correct! Wrong!

Valve use to prevent the tank from overflowing.

gate valve

check valve

float valve

angle valve

Correct! Wrong!

Horizontal copper tubing, sized 50 mm and larger in diameter shall be supported approximately?

1.8 m

1.5 m

3.6 m

3 m

Correct! Wrong!

Clean out may be omitted on a horizontal drain line less than 1.5 m in length except

a. urinal

b. sinks

c. both a & b

d. lavatory

Correct! Wrong!

All small sized malleable iron water fittings shall be

brass

stainless

galvanized

all of the above

Correct! Wrong!

Horizontal cast iron soil pipe with a length exceeding 1.5 m in length shall be supported not more than interval

1.5 m

3 m

0.45

1 m

Correct! Wrong!

Drinking fountain should not installed in a?

a. private toilet room

b. public toilet room

c. both a & b

d. none of the above

Correct! Wrong!

Minimum air gaps for water distribution for sinks, laundry trays and other fixtures with effective opening not greater than 19 mm in diameter when affected by the walls.

38mm

57mm

25mm

51mm

Correct! Wrong!

Cleanout under floor piping shall have a vertical clearance from means of access not less than

300 mm

350 mm

450 mm

500 mm

Correct! Wrong!

A valve used to control two or more opening is called ________.

gate valve(full way)

globe valve

butterfly valve

angle valve

Correct! Wrong!

Continuous waste and fixture tailpiece that such connection where exposed or accessible may be of seamless drawn brass not less than?

Gauge 16 B & S (1.6 m thick)

Gauge 20 B & S (0.8 m thick)

Gauge 12 B & S

none of the above

Correct! Wrong!

Water pipes and building sewer, and storm drainage constructed on a clay material laid or run in the same trench within a building shall have at least horizontal clearance at all points of ______________.

0.4 m from the side of water pipes to the side of storm drainage or building sewer

0.5 m from the bottom of water pipes to the top of storm drainage or building sewer

0.3 m from the side of water pipes to the side storm of drainage or building sewer

0.150 m from the side of water pipes to the side storm of drainage or building sewer

Correct! Wrong!

Each such tailpiece, continuous waste or overflows for sinks, dishwashers, laundry tubs, bathtubs, urinal and similar fixtures shall not less than?

32 mm O.D

38 mm O.D.

51 mm O.D

31 mm O.D.

Correct! Wrong!

No fitting having more than one inlet at the same level shall be used unless the discharge of one inlet cannot enter into the other?

inlet

outlet

pipe

fitting

Correct! Wrong!

Gutters and or gang shower room shall be spaced not more than?

3.9 m

5 m

4.9 m

4m

Correct! Wrong!

No urinal shall be set closer than from its center to any side of the wall or partition?

0.3 m

0.6 m

0.375 m

0.73 m

Correct! Wrong!

Backflow prevention for hot water over 43.3 °C shall be a listed type assembly design to operate at a temperature of _________ without rendering any portion of the assembly inoperative.

43.3 °C or higher

48.8 °C or higher

48.8 °C or lower

43.3 °C or lower

Correct! Wrong!

Water pipes and fittings with a lead content that exceed 8% shall be prohibited and not used in ____________.

DWV

storm drainage system

Gas piping

potable piping system

Correct! Wrong!

Horizontal screw pipe , sized 25 mm and larger in diameter shall be supported approximately?

1.5 m

3 m

3.6 m

1.2 m

Correct! Wrong!

_________ pipes shall have an outside protective coating of an approved material like bituminous coating and fiberglass wrapping.

plastic

Ferrous

PB

PE

Correct! Wrong!

Backflow preventers shall not be located in any area containing fumes that are ___________.

toxic

poisonous

corrosive

all of the above

Correct! Wrong!

No vitrified clay pipe or fittings for building drain and sewer shall used _________.

above the ground

below the ground

For high rise building

For medium rise buildings

Correct! Wrong!

The covers of gravity tank shall be vented with a return bend pipe having an area of not less than the ________.

area of tank

two pipe size of down feed

area of the down feed

area of a manhole cover

Correct! Wrong!

Cleanout of an interceptor shall be installed

inside

outside

Properly

none of the above

Correct! Wrong!

Over rim baths filler and other fixtures with effective opening not greater than 25 mm in diameter when not affective by the walls.

76mm

38mm

57mm

51mm

Correct! Wrong!

ABS and PVC DWV shall be used for __________.

below the ground

high rise building

Small houses

above the ground

Correct! Wrong!

Maybe substitute for automatic flush tank?

manually controlled flushometer valve

automatically controlled flush valve

Manually controlled flush tank

Automatic controlled flush tank

Correct! Wrong!

Water closet and urinal flushometer valve shall be equipped with a listed __________.

atmospheric vacuum breaker

ball cock

backflow prevention assembly

back water valve

Correct! Wrong!

No urinal shall be set closer than from its center to center of a similar fixtures?

0.6 m

0.3 m

0.375 m

0.73 m

Correct! Wrong!

Fixture having concealed slip joint connection shall be provided with an access panel or utility at least?

0.3 m in its least dimension

0. 6 m in its least dimension

0.3 m from the opening to slip joint

0.6 m from the opening to the slip joint

Correct! Wrong!

Horizontal cast iron soil pipe with a length not exceeding 1.5 m in length shall be supported not more than interval

1.5 m

3 m

0.45 m

1 m

Correct! Wrong!

Continuous waste or tailpiece for lavatories, drinking fountain and similar small fixture shall not be less than?

38 mm O.D.

32 mm O,.D

51 mm O.D

31 mm O.D

Correct! Wrong!

Horizontal ground piping shall be laid on a firm bed at its _________.

1 m interval

3 m interval

1.2 m interval

entire length

Correct! Wrong!

Ball cock shall be installed with the critical level at least _____ above the full opening of the overflow pipe.

152mm

38mm

25mm

0.3m

Correct! Wrong!

Relief valve shall be set at a pressure of not more than _________.

160 psi

180 psi

150 psi

300 psi

Correct! Wrong!

All shower compartments, regardless in shape shall have a minimum finish interior area of?

0.8 sq. m

0.6 sq. m

762 mm diameter circle

0.8 sq. m

Correct! Wrong!

Fitting shall be used horizontal to horizontal drainage line

45⁰ wye branches

longer sweep elbow

combination wye and 1/8 branches

all of the above

Correct! Wrong!

Water pipes and building sewer, and storm drainage constructed on a clay material laid or run in the same trench within a building shall have at least vertical clearance at all points of ________________.

0.4 m from the bottom of water pipes to the top of storm drainage or building sewer

0.5 m from the bottom of water pipes to the top of storm drainage or building sewer

0.3 m from the bottom of water pipes to the top storm of drainage or building sewer

0.150 m from the bottom of water pipes to the top storm of drainage or building sewer

Correct! Wrong!

Restaurant and other special use sinks may be made of approved type bonderized and galvanized steel sheet of not less than

Gauge no. 16 (1.6 m thick)

Gauge no. 20 (0.8 m thick)

Gauge no. 12

Gauge no. 25

Correct! Wrong!

Union installed in water supply system shall be installed away from the regulating equipment like water heater, conditioning tank and similar equipment within ___________.

0.6m

0.3m

152mm

1m

Correct! Wrong!

No under floor cleanout in any residential occupancy shall be located from access door, trap door, or crawl hole more than _________.

610 mm (24”)

0.75 mm

305 mm

0.45 mm

Correct! Wrong!

Access and clearance for the backflow prevention assemblies shall require a minimum clearance from a lowest portion of a assembly and the grade floor or platform.

305mm

0.3m

0.6m

1.5m

Correct! Wrong!

Prohibited fixtures for a water closet and urinal

reverse trap and pedestal

unventilated spaced, invisible seals, and trough

siphon jet and stall

wash down water closet and pedestal

Correct! Wrong!

Minimum area and dimension of a shower compartment shall be maintained from a shower drain outlet to a height of _________.

1.78 m

1.76 m

1.9 m

2 m

Correct! Wrong!

Cleanout under floor piping shall have a horizontal clearance from the mean of access not less than

750 mm (30”)

350 mm

450 mm

500 mm

Correct! Wrong!

Fittings may be used on vertical lines as a fixture connection

double tee branch

double tapped tee branch

single hub

double hub sanitary tapped tee

none of the above

Correct! Wrong!

Vacuum breaker shall be installed at the discharge side of the flushometer valve with the critical level above the overflow rim of a water closet bowl or the highest part of a urinal.

25mm

152mm

0.3m

0.6mm

Correct! Wrong!

Joints of copper pans or liners shall be

soldered and flux

soldered and brazed

die electric

Male screw fittings

Correct! Wrong!

Overflow pipe from a fixture shall be connected to the house or

on the trap arm of a fixture

on the top dip of the trap

on the outlet of the trap

inlet side of the trap

Correct! Wrong!

Air test shall be made for DWV by attaching air compressor to a minimum uniform gauge pressure of_for the period of _____.

344.5 kpa or 254 mm height column mercury, 15 minutes

34.5 kpa or 264 mm height column mercury, 15 minutes

34.5 kpa or 254 mm height column mercury, 15 minutes

34.5 kpa or 284 mm height column mercury, 15 minutes

Correct! Wrong!

The sum of all perforation of the strainer is equivalent to the?

outlet diameter

volume outlet

cross sectional area

any of the above

Correct! Wrong!

If water pressure from the main will cannot provide a water pressure of at least 15 psi thus allowing friction and pressure losses, what will be added into the system to be able to provide a 15 psi?

booster pump

elevated tank

hydro-pneumatic pressure tank

either of the above

Correct! Wrong!

May be used for hot and cold water distribution system within a building.

PVC pipe

DCI pipe

PB pipe

CPVC pipe

Correct! Wrong!

Shower threshold shall be of sufficient width to accommodate a minimum of door width of?

550 mm

500 mm

600 mm

559 mm

Correct! Wrong!

Horizontal plastic tube shall be supported by stiff metal or wood backing with hangers for 38 mm and smaller in diameter at its __________.

1 m interval

3 m interval

1.2 m interval

entire length

Correct! Wrong!

A kind of valve that shall be provided for each fixture.

angle valve

gate valve

globe valve

check valve

Correct! Wrong!

Water supply inlet to receptors not protected by atmospheric vacuum breaker shall be protected by approved ________.

air break

air gap

reducing pressure

double check valve

Correct! Wrong!

Fittings on screw pipe joint shall be_____ to the full bore of the pipe.

reamed

clean

welded

packed

Correct! Wrong!

Excessive water pressure in excess of 80 psi (551 kpa) shall be provided with a device to the reduce the pressure to the required supply pressure.

Approved type relief valve

Approved type pressure regulator

By pass valve

Reduce pressure valve.

Correct! Wrong!

Joints of lead pans or liners shall be______

soldered and brazed

flux

flared joint

burned

Correct! Wrong!

Cleanout shall be provide at every ________ length.

15 m

20 m

25 m

10 m

Correct! Wrong!

Sixty (60) degree branches or offsets may be used only when installed in true

horizontal position

vertical position

perpendicular position

parallel position

Correct! Wrong!

Material should not be used for continuous waste and overflows tailpiece or trap for urinal?

copper and lead

copper and brass

plastic and lead

stainless and plastic

Correct! Wrong!

Valves over 51mm in size may be a ___________.

a. cast iron

b. brass bodies

c. either a & b

d. none of the above

Correct! Wrong!

Support trap arm as close as possible to the trap, if the trap arm excess in _______.

0.6m

3ft (1m)

1.5m

1.8m

Correct! Wrong!

Water closet flushometer tanks shall be protective against backflow by an approved device called ___________.

back water valve

Reducing pressure

backflow prevention assembly

Air gap

Correct! Wrong!

Cast iron fitting up to including 51 mm in size, when used in connection with potable water piping shall be ___________.

steel

stainless

galvanized

all of the above

Correct! Wrong!

When potable water is discharged into the drainage system, it means than an approved air gap " with unobstructed atmospheric distance from the supply outlet and the top surface of the drainage inlet, but in no case shall the gap be less than 25 mm.

2 pipe size diameter

1 pipe size diameter

1.5 size diameter

25 mm

Correct! Wrong!

Tunnels shall have a clear height of__ above the pipe and shall be limited in length to the depth of a trench with a maximum length of _. When pipe is driven, the drive pipe shall be at least ____than the pipe to be laid.

0.3 m, one half 2.4 m, one pipe size larger

0.6 m, one half 2.4 m, one pipe size larger

0.6 m, one half 2.4 m, two pipe size larger

0.3 m, one half 2.4 m, two pipe size larger

Correct! Wrong!

Horizontal lead pipe shall be supported by stiff metal or wooden backing at its _________.

1 m interval

entire length

3 m interval

1.2 m interval

Correct! Wrong!

Lawn sprinkler system shall be equipped with a listed and installed at discharge side of each of the last shutoff valve.

reducing pressure

double check valve

atmospheric vacuum breaker

air break

Correct! Wrong!

Air may be substitute for a water piping test for hot and cold with a minimum of_ for a period of __

344.5 psi, 15 psi

344.5 kpa, 15 minutes

34.5 psi, 15 minutes

34.5 psi, 15 psi

Correct! Wrong!

Return bend vent pipe of a potable water storage tank shall be screened with a fined corrosion-resistant screen with opening not less than or nor more than __________.

14-18 mess per 25mm

16-18 mess per 51mm

14-16 mess per 51mm

14-16 mess per 25mm

Correct! Wrong!

Minimum water piping for hot and cold pressure test shall be test under a pressure of not less than_ for a period of _

1.5 time the working pressure, 15 psi

1.5 times the design pressure, 15 minutes

not less than the working pressure, 15 minutes

1.5 times the working pressure, 15 minutes

Correct! Wrong!

Minimum section of water test for the DWV shall be_ and shall be filled with water for a__ before the inspection starts

3m head, 15 minutes

4m head, 15 minutes

5m head, 10 minutes

3m head, 10 minutes

Correct! Wrong!

Water closet and urinal tanks shall be equipped with a listed?

float valve

ball cock

ball joint

none of the above

Correct! Wrong!

No devices in a waterline supply system if the inlet/outlet is less than the _ and __.

diameter of water supply pipe, excessive pressure drop

Volume of the water supply pipe, excessive pressure drop

capacity of such devices, excessive pressure drop

none of the above.

Correct! Wrong!

Horizontal screw pipe, sized 19 mm and smaller in diameter shall be supported approximately?

1.5 m

1.2 m

1m

3 m

Correct! Wrong!

Horizontal copper tubing, sized 38 mm and smaller in diameter shall be supported approximately?

1.8 m

3 m

1.2 m

1.5 m

Correct! Wrong!

How many fixture units shall be allowed for a continuous flow into a drainage system like sump pump, ejector and air conditioning equipment for every 0.063 l/s(1gpm)?

6 fixture units

2 fixture units

4 fixture units

1 fixture units

Correct! Wrong!

In the absence of local regulation, shower occupancies shall be provided with individual thermostatic mixing valve and shall be adjusted to deliver the maximum hot water temperature of ___________.

43.3 °C

48.8 ˚C

60 °C

80 °C

Correct! Wrong!

Cleanout may be omitted on a short horizontal drainage pipe installed at a slope of?

1/5

1/4

1/8

1/6

Correct! Wrong!

Over rim baths filler and other fixtures with effective opening not greater than 25 mm in diameter when affective by the walls.

76mm

38mm

57mm

51mm

Correct! Wrong!

Minimum distance between the door or entry to the drain opening of shower shall be?

1.2 m

1.5 m

0.6 m

1.8 m

Correct! Wrong!

Minimum air gaps for water distribution for lavatories and other fixtures with effective opening not greater than 13 mm in diameter when affected by the walls?

38mm

25mm

19mm

57mm

Correct! Wrong!

Valves up to and including 51mm in sized shall be _______ or other approved materials.

a. brass or bronze

b. cast iron

c. both a and b

d. none of the above

Correct! Wrong!

Buried copper tubing where possible shall be installed with ______.

Minimal joint

without joint

several joint

none of the above

Correct! Wrong!

All shower compartments, regardless in shape shall be capable of encompassing a

0.6 m

762 mm diameter circle

782 mm diameter circle

0.8 sq. m

Correct! Wrong!

Minimum of building water service pipe?

1”

19mm

4”

13mm

Correct! Wrong!

Double sanitary tees may be used when the barrel of the fitting is at least two pipe sized larger than the largest ___________.

outlet

inlet

fitting

pipe

Correct! Wrong!

Pressure loss in a water line in such devices in a water supply system must be included in ______________.

water supply system

pressure loss calculation

the devices

all the above

Correct! Wrong!

Trenches of building drainage shall be backfilled in thin layers of ______m above the top of the pipe with clean earth which not contain materials which can the damage the pipe

0.3 m

0.6 m

0.4 m

around the pipe

Correct! Wrong!

Installations elevated for more than 1.52 m above the floor grade of a backflow prevention assembly shall be provided with ________ capable of supporting a tester or maintenance person.

temporary platform

permanent platform

removable platform

none of the above

Correct! Wrong!

Thickness of Copper pans or liners shall be at least?

Gauge 16 (1.6 mm thick)

Gauge 20 ( 0.8 mm thick)

Gauge 24 (0.5 mm thick)

None of the above

Correct! Wrong!

All porcelain enamel surfaces on plumbing fixture shall be

corrosion resistant

acid resistance

no of the above

Correct! Wrong!

No water closet and bidet shall be set closer than from its center to center of a similar fixtures?

0.6 m

0.3 m

0.375 m

0.73 m

Correct! Wrong!

Water pipes ,building sewer, and storm drainage constructed in clay material or not approved material for use with in a building shall not be run or laid in the __________.

same trench

same elevation

same Material

none of the above

Correct! Wrong!

An additional cleanout shall be provided on a horizontal line exceeding at angle of _______.

120 ⁰

135⁰

125⁰

90⁰

Correct! Wrong!

Master Plumber’s Mock Exam – CONSTRUIRE

Free Online Master Plumber Reviewer No. 1

Master Plumber Reviewer No. 1

When joints are permitted on a copper tubing that are laid or run underground they shall be____________.

Changes and direction of drainage piping shall be made by the appropriate use of approve fittings.

No water closet and bidet shall be set closer than from its center to any side of the wall or obstruction?

Valve use to prevent the tank from overflowing.

Horizontal copper tubing, sized 50 mm and larger in diameter shall be supported approximately?

Clean out may be omitted on a horizontal drain line less than 1.5 m in length except

All small sized malleable iron water fittings shall be

Horizontal cast iron soil pipe with a length exceeding 1.5 m in length shall be supported not more than interval

Drinking fountain should not installed in a?

Minimum air gaps for water distribution for sinks, laundry trays and other fixtures with effective opening not greater than 19 mm in diameter when affected by the walls.

Cleanout under floor piping shall have a vertical clearance from means of access not less than

A valve used to control two or more opening is called ________.

Continuous waste and fixture tailpiece that such connection where exposed or accessible may be of seamless drawn brass not less than?

Water pipes and building sewer, and storm drainage constructed on a clay material laid or run in the same trench within a building shall have at least horizontal clearance at all points of ______________.

Each such tailpiece, continuous waste or overflows for sinks, dishwashers, laundry tubs, bathtubs, urinal and similar fixtures shall not less than?

No fitting having more than one inlet at the same level shall be used unless the discharge of one inlet cannot enter into the other?

Gutters and or gang shower room shall be spaced not more than?

No urinal shall be set closer than from its center to any side of the wall or partition?

Backflow prevention for hot water over 43.3 °C shall be a listed type assembly design to operate at a temperature of _________ without rendering any portion of the assembly inoperative.

Water pipes and fittings with a lead content that exceed 8% shall be prohibited and not used in ____________.

Horizontal screw pipe , sized 25 mm and larger in diameter shall be supported approximately?

_________ pipes shall have an outside protective coating of an approved material like bituminous coating and fiberglass wrapping.

Backflow preventers shall not be located in any area containing fumes that are ___________.

No vitrified clay pipe or fittings for building drain and sewer shall used _________.

The covers of gravity tank shall be vented with a return bend pipe having an area of not less than the ________.

Cleanout of an interceptor shall be installed

Over rim baths filler and other fixtures with effective opening not greater than 25 mm in diameter when not affective by the walls.

ABS and PVC DWV shall be used for __________.

Maybe substitute for automatic flush tank?

Water closet and urinal flushometer valve shall be equipped with a listed __________.

No urinal shall be set closer than from its center to center of a similar fixtures?

Fixture having concealed slip joint connection shall be provided with an access panel or utility at least?

Horizontal cast iron soil pipe with a length not exceeding 1.5 m in length shall be supported not more than interval

Continuous waste or tailpiece for lavatories, drinking fountain and similar small fixture shall not be less than?

Horizontal ground piping shall be laid on a firm bed at its _________.

Ball cock shall be installed with the critical level at least _____ above the full opening of the overflow pipe.

Relief valve shall be set at a pressure of not more than _________.

All shower compartments, regardless in shape shall have a minimum finish interior area of?

Fitting shall be used horizontal to horizontal drainage line

Water pipes and building sewer, and storm drainage constructed on a clay material laid or run in the same trench within a building shall have at least vertical clearance at all points of ________________.

Restaurant and other special use sinks may be made of approved type bonderized and galvanized steel sheet of not less than

Union installed in water supply system shall be installed away from the regulating equipment like water heater, conditioning tank and similar equipment within ___________.

No under floor cleanout in any residential occupancy shall be located from access door, trap door, or crawl hole more than _________.

Access and clearance for the backflow prevention assemblies shall require a minimum clearance from a lowest portion of a assembly and the grade floor or platform.

Prohibited fixtures for a water closet and urinal

Minimum area and dimension of a shower compartment shall be maintained from a shower drain outlet to a height of _________.

Cleanout under floor piping shall have a horizontal clearance from the mean of access not less than

Fittings may be used on vertical lines as a fixture connection

Vacuum breaker shall be installed at the discharge side of the flushometer valve with the critical level above the overflow rim of a water closet bowl or the highest part of a urinal.

Joints of copper pans or liners shall be

Overflow pipe from a fixture shall be connected to the house or

Air test shall be made for DWV by attaching air compressor to a minimum uniform gauge pressure of_______for the period of ___________.

The sum of all perforation of the strainer is equivalent to the?

If water pressure from the main will cannot provide a water pressure of at least 15 psi thus allowing friction and pressure losses, what will be added into the system to be able to provide a 15 psi?

May be used for hot and cold water distribution system within a building.

Shower threshold shall be of sufficient width to accommodate a minimum of door width of?

Horizontal plastic tube shall be supported by stiff metal or wood backing with hangers for 38 mm and smaller in diameter at its __________.

A kind of valve that shall be provided for each fixture.

Water supply inlet to receptors not protected by atmospheric vacuum breaker shall be protected by approved ________.

Fittings on screw pipe joint shall be_____ to the full bore of the pipe.

Excessive water pressure in excess of 80 psi (551 kpa) shall be provided with a device to the reduce the pressure to the required supply pressure.

Joints of lead pans or liners shall be______

Cleanout shall be provide at every ________ length.

Sixty (60) degree branches or offsets may be used only when installed in true

Material should not be used for continuous waste and overflows tailpiece or trap for urinal?

Valves over 51mm in size may be a ___________.

Support trap arm as close as possible to the trap, if the trap arm excess in _______.

Water closet flushometer tanks shall be protective against backflow by an approved device called ___________.

Cast iron fitting up to including 51 mm in size, when used in connection with potable water piping shall be ___________.

When potable water is discharged into the drainage system, it means than an approved air gap " with unobstructed atmospheric distance from the supply outlet and the top surface of the drainage inlet, but in no case shall the gap be less than 25 mm.

Tunnels shall have a clear height of______ above the pipe and shall be limited in length to ______the depth of a trench with a maximum length of _______. When pipe is driven, the drive pipe shall be at least ________than the pipe to be laid.

Horizontal lead pipe shall be supported by stiff metal or wooden backing at its _________.

Lawn sprinkler system shall be equipped with a listed and installed at discharge side of each of the last shutoff valve.

Air may be substitute for a water piping test for hot and cold with a minimum of_______ for a period of ________

Return bend vent pipe of a potable water storage tank shall be screened with a fined corrosion-resistant screen with opening not less than or nor more than __________.

Minimum water piping for hot and cold pressure test shall be test under a pressure of not less than_______ for a period of _______

Minimum section of water test for the DWV shall be_____ and shall be filled with water for a______ before the inspection starts

Air test shall be made for DWV by attaching air compressor to a minimum uniform gauge pressure of_for the period of _____.

Tunnels shall have a clear height of__ above the pipe and shall be limited in length to the depth of a trench with a maximum length of _. When pipe is driven, the drive pipe shall be at least ____than the pipe to be laid.

Air may be substitute for a water piping test for hot and cold with a minimum of_ for a period of __

Minimum water piping for hot and cold pressure test shall be test under a pressure of not less than_ for a period of _

Minimum section of water test for the DWV shall be_ and shall be filled with water for a__ before the inspection starts

No devices in a waterline supply system if the inlet/outlet is less than the _ and __.