What do you call this valve installed at the suction line of pump to prevent the loss of prime of the pump

Polyvinyl Chloride (PVC) pipes used for drain waste vent (DWV) are manufactures based on the standard set by this organization

Water for domestic use comes from these sources except

What is the setting height from the floor for wall hung lavatory

How much is the plumbing permit fee for one lavatory in excess of one unit minimum required?

The recommended hot water supply to an hotel washing machine is?

Gasses not found in sewer air of septic tank are

What is the setting height from the floor for a water supply inlet of flush tank water closet

A male thread fitting with square head used for closing another female fitting is called

The recommended hot water supply to a hotel lavatory

Copper pipes are sized

To boost the water pressure of hot water, use

Which type of wrench is used to assemble hubless joint

When silt and dirt is removed from water, the process is called

The recommended hot water supply is a therapeutic bath?

What is the setting distance from the floor for a bidet waste drain outlet?

Electric water heaters are manufactured based on the standard set by this organization.

Plumbing pipe color coded in Aqua-blue stripe or bar is identified as

Stainless steel plumbing fixture are manufactured based on the standard set by this organization

When a lift check valve is not working properly, what should be done?

What is the material applied to a thread of pipe to compensate for workmanship in a screwed joint

Which of the following type of valve usually operated without manual control?

When soldering copper gutters, what is that flux that is generally used

What is that plumbing devices that prevent the passage of bad odor and gasses from the sewer system to a building?

What is that device suitable for pumping sewage from the deep basement floor into the sewer line?

Minor stoppage from water closet traps can be cleared with plunger, but for more stubborn clogs, use

To repair a leaking DWV copper joint, you should

A storage heater is used when the demand

Water like gases solid is composed of small individual parts scientifically referred to as:

The most practical circulating pump for use in the hot water system is the type:

In sizing a downspout the deciding factor for its proper size:

A system of pipes and equipment used exclusively to supply water for extinguishing fire:

A device or structure, above or below the ground used for removing soil or colloidal materials of a type that cannot be remove by sedimentation

Installation of water service must be direct and in short manner a possible turns, or offset elbows should be avoided because the element will incur

Friction in plumbing system will causes losses in pressure in pipe due to

What is the pipe fitting used in the interconnection of service pipe and insertion to the water main?

What is the knockdown coupling like fitting that is specially use and interconnect two water service pipes in place?

A pipe fitting with outside thread and projecting square head used for closing the edge of another fitting

A short pipe with outside thread used for connecting pipe or fitting

A nut that is screwed up tightly against another nut to prevent it from becoming loose

The difference between a tube and a pipe is that, tube has relatively thin wall and

What do you call the phenomenon causing rumbling sound and severe shock when water flow is halted abruptly by rapid closure of valve or faucet?

What is the level to which water must use in a fixture to overflow without restriction?

What is the type of water closet for public use?

Floor drain is always provided with removable strainer, the open are of which is equivalent to afraction of the cross sectional area of the drain pipe

A flexible auger is use to remove obstruction that take place in these fittings

The use of compound in screw joint, a dope may applied by plumber for what purpose

In a screwed connection, always begin to screw by hand and make sure the fitting turn readily after the length of approximately

The kind of valve installation characterized as to check or prevent reversal of flow in the pipe

The type of wrench use for screwing bolt and insert for valve with hexagonal end

The type of wrench used in working with plated or high-finish materials and in place with two small to admit pipe wrench

The explosion of molten lead when pouring into the hub of G.I. pipe when preparing a caulk joint is caused by:

When making screwed joints in a potable water system, apply sealing compound on

Which flushing action in water closet requires a flushometer?

Which type of urinals uses less water than any of the other type?

In a solvent-cemented plastic piping system, most leaking joints are caused by a worker’s failure to:

Which of the following should be used for lubricating during the threading process?

What is the other name for rain water downspout?

Which of the following is not a type of water fountain?

What is the valve which is an adoption of ball valve?

All of the following are used in a site drainage system EXCEPT:

Subsoil water is collected and carried to a

Which of the following is not a plumbing fixture?

Which type of lavatories is designed for group use?

What must be the slope of building drain installation?

Minor stoppage form water closet traps can be cleared with plunger, but for more stubborn clogs, use

What are references in measuring the depth of a trap seal of the trap?

Subsoil drains are installed at what level?

The prescribe color coding of piping under steam division of a high pressure pipe is

What are the most common joints used for brass and steel piping installation?

What is the prescribed color coding of piping under water division of fresh water pipe?

In large restaurant, the fixture for washing vegetable pan cauldron is the:

What is that pressure that comes from the amount of air that was drag along with friction by flowing down the wall of the waste stack?

At the base of a vertical drain, flow enters the horizontal drain at a relatively high velocity, what do you call that flow?

The handicapped fixtures are usually designed for people with less physical ability than the general public, for the handicapped toilet requirement, the height is higher than standard toilet. What is the height of the handicapped fixtures?

Water taken from background sources usually contain compound of Calcium and Magnesium which render its inconvenient for domestic used particularly?

The device installed above the flood level rim of plumbing fixtures to primarily permit air from atmosphere to prevent back siphonage of liquid from the fixture is known as:

Whenever water flow in the water supply system of a building, there is a continues loss of pressure generating between the moving water and inner surface of pipe, this is known as:

As the water line for the building strike against the higher spots inside pipe surface, energy is transferred into the pipe causing it to move or vibrate, also produces line noise, these phenomenon is known as:

When backfilling over laid drainage pipe, a plumber must take measure to prevent damage to the pipe. Back fill materials should be added gradually at typical layer and must be compacted before nest layer is dump.

When pipe penetrate an exterior wall it must pass thru a sleeve. What is the size of the sleeve thru which to be installed for the pipe to rest?

Factory waste or domestic waste is not allowed to be discharge into the drain pipe such as what?

Manholes are NOT required for the laid drain pipe of this diameter

Which of the following trap is a prohibited trap inside residences?

Aside from the proper sizing of house drain, the other factor in the installation is the grade, what is the pipe pitch necessary to have adequate flow throughout the length and assure through discharge of waste water.

The phenomenon called water hammer, brought about by sudden closing or opening of valves can be controlled by installing devices above each faucet such as these:

In plumbing installation, what portion of pipeline do you need to provide air break?

The new technique of installing floor mounted water closet with the end in view of assuring cleanliness, leak proof and convenience is with the used of this materials:

The ventilation method whose primary purpose is NOT to protect trap against back pressure and siphonage is what?

The wastes in plumbing system contain many chemical elements which are detrimental to the piping materials yet can be eliminated through proper ventilation. What elements are found to be in large quantities that cause deterioration of piping materials?

Which of the fixture need to be provided with individual vent to avoid the transmittal or surge effect to other fixture trap connected to a branch drain:

During the initial phase of waste water to discharge into drain pipe, which of the fixtures produces the very sudden and heavy surge with appreciable shock effect in other fixture:

In inserting a wye fitting into laid house sewer, the practical produce is these

After threading of a G.I. pipe thru a stack and dies the next step for plumber should do is to ream the inside of pipe for these purpose

When a caulking iron had stricken hard a cast iron hub while doing caulk joint and had the pipe cracked, what would you do?

An inside roof leader is extended vertically through the floor of the building to a point below the roof. What is the common practice to reduce the danger of breakage which may result from expansion and contraction of roof?

What of the following device is NOT a plumbing fixture?

In preparing of a mortar or form a sticky mass to be squeezed into the bell of clay pipe for a cement joint, the mixture will be

It is a loss of trap seal due to unequal atmospheric pressure condition and due to rapid flows of water thru the trap.

It is portion of the vent pipe through which liquid waste flow: