Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

Plumbing Refreshers > SPDI > Flashcards

SPDI Flashcards

1
Q

Trap size of fixtures for Wash basin.

A

1 ¼”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Trap size of fixtures for slop sinks (ordinary).

A

2”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Minimum cost. Least efficient subject to clogging, noisy. Simple washout and emptying through small irregular passageway, prohibited by some health codes.

A

Wash down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Trap size of fixtures for Urinals (through).

A

2 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Includes water supply and distribution pipe; plumbing fixtures and traps, soil, waste and vent pipes; house drain and house sewers including their respective connections.

A

Plumbing system

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Trap size of fixtures for Water closets.

A

3 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Ratio of water closets for female population for elementary and secondary school.

A

Ratio of 1:30

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

A valve which in the water flow is shut off by a flat disk that is screwed down onto its seat.

A

Compression valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

The luminous flux density incident on a surface.

A

Illumination

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

A short length of pipe with threads at each end; used to join couplings or fittings.

A

Nipple

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Trap size of fixtures for Sinks (Dishwashers).

A

1 ½”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

A pipe connecting upward from a soil and waste stack to a vent stack for the purpose of preventing pressure changes in the stack.

A

Yoke vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Trap size of fixtures for Drinking Fountain.

A

1 ¼”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

A trench containing course aggregate and a distribution tile pipe through which septic tank effluent may flow covered with earth.

A

Absorption trench

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

Trap size of fixtures for Combination Fixture.

A

1 ½”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Color coding of high pressure steam.

A

white

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

A passage under a road, embankment or canal which allows for the flow of water.

A

Culvert

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Is the backflow of used, contaminated or polluted water from a plumbing fixture due to negative pressure.

A

Back siphonage

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
19
Q

Is the lowest portion of the inside of any pipe or conduit that is not vertical.

A

Invert

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
20
Q

An underground structure for drainage into which water from the roof or floor will drain through sewer.

A

Catch basin

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
21
Q

An underground tank reservoir to store water.

A

Cistern

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
22
Q

Ratio of water closets for female population for principal worship places.

A

Ratio of 1:75

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
23
Q

Noisy but highly efficient. Strong jet into leg forces contents out. Higher pressure required.

A

Blow out

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
24
Q

A U-shaped pipe filled with water and located beneath the plumbing fixtures to form a seal against the passages of gases and odors.

A

Air trap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
25
Q

Trap size of fixtures for Fountain cupsiders.

A

1 1/4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
26
Q

Fitting for base or soil stack and building drain.

A

1 1/4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
27
Q

The length along the center of the pipe and fitting.

A

Developed length

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
28
Q

Trap size of fixtures for Floor drain.

A

3inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
29
Q

Moderately noisy. Similar to siphon jet except that trap passageway and water surface area are smaller.

A

Reverse trap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
30
Q

Trap size of fixtures for Laundry trays.

A

1 ½”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
31
Q

It is permitted that a branch soil or waste pipe to which two and more than 8 water closets, pedestal urinals, trap standard slop sinks, or shower stall are connected in a series.

A

Loop or circuit vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
32
Q

A short internally threaded (female thread) section of pipe, used to join two pipes of conduits.

A

Coupling

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
33
Q

A vent connecting at the junction of two fixture drains and serving as a vent for both fixtures a single vent that ventilates multiple traps, in the case of back to back fixture.

A

Common vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
34
Q

The third kind of water after the storm water and area water.

A

blackwater

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
35
Q

Quiet, extremely sanitary. Like the siphon jet but having the flushing water directed through the rim to create a vortex that scours the bowl.

A

Siphon vortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
36
Q

Piping which shall not be installed under or within 2 ft (0.6m) of any building or structure is?

A

Asbestos cement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
37
Q

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

A

Stack vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
38
Q

A branch vent that serves two or more traps and extends from in front of the last fixture connection of a horizontal branch to the vent stack.

A

Circuit vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
39
Q

Ratio of water closets for male population for elementary and secondary school.

A

Ratio of 1:30

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
40
Q

A pipe fitting within the interconnection of pipes for the purpose of easy dismantling of the connection when needed.

A

Union patente

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
41
Q

Service drop conductor clearance over the roof.

A

2.5 m

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
42
Q

Trap size of fixtures for Bathfoot.

A

1 ½”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
43
Q

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

A

Main vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
44
Q

Wet standpipe for a riser not more than 15 m.

A

2”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
45
Q

A device that discharges a predetermined volume of water to fixture for flushing purposes and is activated by direct water pressure.

A

Flushometer valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
46
Q

A flange that closes the end of a pipe used to discharge water.

A

Blind flange

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
47
Q

Minimum height of dry standpipe outlet from the floor line.

A

61 mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
48
Q

Trap size of fixtures for urinals (up).

A

1 1/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
49
Q

A branch vents that performs its functions for two or more traps.

A

Group vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
50
Q

Trap size of fixtures for Sinks (kitchen or residence).

A

1 ½”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
51
Q

A horizontal vent connecting one or more individual vents with a vent stack and stack vent.

A

Branch vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
52
Q

Minimum height of Fire Service Connection from the grade/floor.

A

46 mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
53
Q

Refers to any group of two or more similar adjacent fixtures which discharge into a common horizontal waste or soil branch.

A

Battery of fixtures

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
54
Q

Is a pipe connecting several fixtures.

A

Fixture branch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
55
Q

A valve which maintains uniform pressure on its outlet side regardless of its pressure fluctuation on the inlet side above the pressure level.

A

Pressure reducing valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
56
Q

Used to connect the two ends pipes, neither of which can be turned.

A

Union

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
57
Q

Ratio of lavatory to number of occupants.

A

Ratio of 1:5

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
58
Q

Maximum height of Fire Service Connection from grade/floor.

A

122 mm

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
59
Q

A flange that is not drilled.

A

Blank flange

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
60
Q

The type of bathtub other than sunken, square, free standing.

A

Recessed

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
61
Q

A type of fitting for yoke vent.

A

Wye fitting

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
62
Q

Another classification of storm drain, besides from inside drain and outside drain.

A

Overhead storm drain

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
63
Q

Is a device located at the bottom of the tank for the purpose of flushing water closets and similar fixtures.

A

Flush valve

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
64
Q

Is the extended portion of a pipe that is closed at one end to which no connections are made on the extended portion.

A

Dead end

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
65
Q

Install to be able to meet the water requirements during peak demands from a low yielding water well.

A

Water reservoir

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
66
Q

Process of flushing, cleaning to remove dirt by the flowing liquid through it.

A

Scouring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
67
Q

Ratio of urinals for elementary schools.

A

Ratio of 1:75

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
68
Q

Trap size of fixtures for Urinal (stall).

A

1 ½”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
69
Q

Trap size of fixtures for slop sinks (with combine trap).

A

3 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
70
Q

Trap size of fixtures for Urinals (pedestal).

A

3 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
71
Q

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

A

Unit vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
72
Q

Trap size of fixtures for pantry or bar.

A

1 1/4

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
73
Q

A vent that does not serve as drain and is located where it is not exposed to back up of waste from a drainage pipe.

A

Dry vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
74
Q

Color coding for fuel oil division.

A

Black

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
75
Q

Trap size of fixtures for bath Shower stall.

A

2 inch

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
76
Q

Trap size of fixtures for Bidet.

A

1 ½”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
77
Q

Minimum discharge pipe and fitting for bathtub.

A

1 ½ in

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
78
Q

Wet standpipe for riser more than 15 m.

A

2-1/2

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
79
Q

Sanitary, efficient very quiet. A toilet bowl which the flushing water enters through the rim and siphonic action initiated by a water jet draws the contents of the bowl through the trap way.

A

Siphon jet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
80
Q

Dry standpipe for a riser below 23 m.

A

4”

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
81
Q

It is a pipe on the fixture side of the trap through which vapor or foul air is removed from a room fixture.

A

Local vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
82
Q

Tap used to measure pressure in a water system.

A

Pressure cock

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
83
Q

The lowest portion of the inside top surface of the channel through trap.

A

Dip

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
84
Q

Water which undergoes treatment, either physical, biological or chemical means to improve water quality.

A

Purified water

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
85
Q

A bathroom containing a water closet and a lavatory.

A

Half bath

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
86
Q

How many gallons of water for the water closet flushing requirements?

A

3-5 gallons

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
87
Q

Flushing is very noisy, expensive and has a low water usage (1.5 gpf) that helps conserve water. Large water surface makes this model efficient and design features make it suitable for residential use.

A

pressure tank

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
88
Q

A vent connecting at the junction of two fixture drains and serving as a vent for both fixtures.

A

Common vent

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
89
Q

How can you differentiate between soil pipe and waste pipe when laid side by side.

A

Diameter

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
90
Q

It is added to water to reduce salinity.

A

electrolysis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
91
Q

Plumbing permit shall be invalid if works not commenced after a period of,

A

1 year

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
92
Q

Efficient but moderately noisy and its reasonably low cost. Most of the bowl surface is covered with water.

A

Reversed Trap

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
93
Q

Expensive, flushing is very noisy and large water surface and large trap way size make this model efficient and suitable for commercial use.

A

Pressure/tankless

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
94
Q

Least efficient, most noisy type but lowest in cost.

A

Wash down

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
95
Q

Model is mostly of one piece construction with low profile, expensive and the large water surface provides a very efficient and clean process and the flushing is extremely quiet.

A

Siphon vortex

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
96
Q

Quiet flushing, have moderate cost and most popular residential model.

A

Siphon jet

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
97
Q

What type of material used for the base of a septic tank.

A

Reinforced concrete

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
98
Q

When water comes out as soon as the fire sprinkler is activated, the system is.

A

Pre-action

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
99
Q

What is used to unclog a toilet?

A

Closet auger

100
Q

The date when Sanitation Code is issued.

A

August 22, 1991

101
Q

Provincial Water Utilities Act.

A

PD 198

102
Q

Is a receptacle used to catch surface drained from cemented courts, driveways, and yards.

A

Yard Catch Basin

103
Q

The date when the Philippine Environment Code is signed.

A

June 6, 1977

104
Q

What is the maximum number of fixture units that maybe connected to a 75 mm diameter house drain pipe under 4% slope?

A

21

105
Q

A piping arrangement in which a drain from a fixture, appliance, or device discharges indirectly into a fixture, receptacle, or interceptor at a point below the flood level rim of the receptacle so installed as to prevent backflow or siphonage.

A

Air break

106
Q

Consists of a running trap installed under the basement floor to protect it from freezing.

A

Area drain

107
Q

What is the slope of a 100 mm diameter house drainpipe with 100 fixture units?

A

4%

108
Q

The following back of used, contaminated or polluted water from plumbing or vessel into a water supply pipe due to negative pressure in such pipe.

A

Back-siphonage

109
Q

The house drain should be sized correctly to have a flow of about ____ of the pipe diameter.

A

50%

110
Q

Environment Code of the Philippines.

A

PD 1152

111
Q

The date when the Provincial Water Utilities Act is signed.

A

May 25, 1973

112
Q

Fixture unit value of a Public or Hotel Sink.

A

2

113
Q

It is not preferred to discharge into the septic tank.

A

Storm drain

114
Q

Water Code of the Philippines.

A

PD 1067

115
Q

It is a receptacle used to receive water to be drained from the floor into the plumbing system.

A

Floor drain

116
Q

What is the maximum number of fixture units that may be connected to a 75 mm diameter house drain pipe under 2% slope?

A

18

117
Q

A type of pipe connection in which a ball-shaped end is held in a cuplike shell and allows movement in any direction.

A

Ball joint

118
Q

What is the maximum number of fixture units that maybe connected to a 125 mm diameter house drain pipe under 3% slope?

A

216

119
Q

A sink designed primarily to receive wastes from bedpans and having a flush rim, an integral trap with a visible trap seal, and the same flushing and cleansing characteristics as a water closet.

A

Clinic sink

120
Q

It is adopted when the street drainage is higher in elevation than the basement floor of the building.

A

Overhead storm drain

121
Q

Sanitary sewage is also known as,

A

Domestic sewage

122
Q

Fixture unit value of 1 bathroom consisting of 1 water closet, lavatory, bathtub and overhead shower or water closet, lavatory and shower compartment.

A

8

123
Q

Civil Code of the Philippines.

A

RA 386

124
Q

The unobstructed vertical distance through the free atmosphere between the outlet of water pipe and the flood level rim of the receptacle into which it is discharging.

A

Air gap

125
Q

What is the slope of a 125 mm diameter house drain pipe with 150 fixture units?

A

2%

126
Q

A device or means to prevent flow of liquid from returning to source of supply and also called vacuum breaker.

A

Backflow preventer

127
Q

A device installed in a drainage system to prevent reverse flow.

A

Backwater valve

128
Q

Appropriate fittings for a storm drain.

A

Wye, 1/8 bend, long radius

129
Q

The date when the Water Code is signed.

A

December 31, 1976

130
Q

The most preferred type of back flow valve because it has the characteristics of non-interferences in the movement of air inside the drainage system.

A

balance valve

131
Q

Reduces the action scouring in the pipe, thus the solid waste are carried along the bottom of the pipe.

A

Oversize house drain

132
Q

Storm drain is installed provided a slope of not more than _____ per meter run.

A

2%

133
Q

It occurs due to an increased reverse pressure above the supply pressure.

A

Back pressure backflow

134
Q

It is a device installed in a house drain immediately inside the foundation wall of the building.

A

House trap

135
Q

It is also known as the collection line of a plumbing system.

A

House drain

136
Q

A room equipped with a shower stall or bathtub.

A

Bathroom

137
Q

Fixture unit value for every 15 sq. foot of roof drain.

A

1

138
Q

An act to regulate the trade of Master Plumber in the Philippines.

A

RA 1378

139
Q

Sanitation Code of the Philippines.

A

PD 856

140
Q

A loop of pipe rising approximately 35 feet, at its top most point above the highest fixture it supplies.

A

Barometric loop

141
Q

Is a device used in kitchen serving hotels, dining rooms, clubhouses and restaurants.

A

Grease interceptor

142
Q

Fixture unit value of a Shower Bath.

A

2

143
Q

A condition or any arrangement whereby reverse flow can occur.

A

Backflow connection

144
Q

Revised Fire Code of the Philippines 2008.

A

RA 9514

145
Q

It is sometimes located under the basement floor or when the walls of the buildings.

A

Inside storm drain

146
Q

Clean Water Act.

A

RA 9275

147
Q

Clean Air Act.

A

RA 8749

148
Q

An act to regulate the practice of Sanitary Engineering in the Philippines.

A

RA 1364

149
Q

A part of the vent line, which connects directly with an individual trap underneath or behind the fixture and extends to the branch or main vent pipe at any point higher than fixture or fixture traps it serves.

A

back vent pipe

150
Q

The date when the Sanitary Engineering Law and Plumbing Law are approved.

A

June 28, 1955

151
Q

It collects water coming from the downspout leading the accumulated water away from the house at a relatively low rate of flow.

A

splash pan

152
Q

Not preferred type of backflow valve because of its poor performance.

A

unbalancevalve

153
Q

Civil Code of the Philippines.

A

RA 386

154
Q

Grease can be disposed in the kitchen sink?

A

Never

155
Q

Your toilet should be running all the time?

A

Never

156
Q

Teflon tape can be used when leaking occurs at which location.

A

Shower head

157
Q

Where is the cold water valve located?

A

Right side

158
Q

What do all toilets have built into them?

A

P-trap

159
Q

What can never be re-used when replacing toilet?

A

Wax ring

160
Q

What fits between a closet flange and toilet bowl?

A

Wax ring

161
Q

What type of adhesive is used to caulk around wet surfaces?

A

Silicone

162
Q

The safety valve on a water heater is called what?

A

TP valve

163
Q

A faucet with a pullout spout, sometimes called a _______ faucet?

A

one-touch

164
Q

How many single compartment fixtures of sinks, lavatory or laundry tubs that can be connected to a single trap?

A

3

165
Q

What is the proper way to wind a Teflon on a pipe thread?

A

clockwise with the pipe facing you

166
Q

A water treatment processes designed to destroy disease-causing microorganisms. Is often assessed by measuring the coliform group of indicator organisms.

A

chlorination

167
Q

Caulk joint shall be firmly packed with oakum or hemp and powered received with pure load what that depth of lead over oakum?

A

25 mm (1”)

168
Q

A vertical enclosure with a removable cover providing access to a curb cock.

A

Curb box

169
Q

A type of nipple having both ends externally threaded and the midsection unthreaded.

A

shoulder nipple

170
Q

Vertical installation of double sanitary tees maybe used when the barrel of the fitting is at least ______than the largest side inlet.

A

2 pipe size larger

171
Q

The vertical distance from the centerline of the pump (this would be the shaft on a horizontal pump) to the level in the discharge vessel.

A

Discharge head

172
Q

Type of material made from mild steel that is drawn through a die and welded. It’s dipped in a bath of zinc, which treatment serves to some degree the pipe against the effect of acids.

A

Galvanized steel pipe

173
Q

Fitting with a projecting collar along the edge used on installation requiring increased area coverage for added mechanical strength.

A

Flange

174
Q

A form extracted metallurgy, its main use is to produce iron from ore.

A

Smelting

175
Q

Assuming the waste pipe of a fixture is 50 mm, what should be the size of its vent pipe?

A

32 mm

176
Q

A cast iron pipe in which the carbon is reformed by magnesium inoculation, resulting in a material having high strength without otherwise changing its basic properties. Good corrosion resistance makes this type of pipe especially useful in underground installations.

A

Ductile Iron Pipe

177
Q

How many gallons do an average daily consumption of a Bathtub?

A

30 gallons

178
Q

Can be constructed with hand tools or power tools-depth of about 15 meters (50 ft)-can have the greatest diameter that a space may allow.

A

Dug well

179
Q

A device used to control an incoming high water pressure into the water distribution system by mechanical means so as to bring it to a working pressure of 80 psi.

A

Pressure reducing valve

180
Q

Residence with 12 family members requires 3.6 cu. meters of cold water daily with peak demand. What is the maximum hot water probable hourly demand?

A

120 liters

181
Q

Term used for a pipe extension of not more than 2 feet in length, installed at any stack or branch of a plumbing rough-in for the purpose future tap.

A

stub out

182
Q

A type of water pump with its pump motor installed on the surface attached to a lift and push rod to activate a submerged piston.

A

reciprocating pump

183
Q

A vent used in a battery of plumbing fixtures where the vent is installed in front of the last fixture of the battery.

A

circuit vent

184
Q

In a water distribution system, locations such as supply pipe to every water heater requires a full open valve. Which of the following in the list is a full open valve?

A

angle valves

185
Q

Minimum water delivery in liters per minute for an outlet of a wet standpipe at a residual pressure or 1.8 kilos per sq. mts.

A

132 liters per minute

186
Q

Single lever valves used in kitchen sink and lavatory faucets or at shower valves has gain popularity in plumbing installation today. This is because these valves are beautiful and are maintenance-free. These valves work by the principle of a:

A

ball valve

187
Q

The maximum height of a fire service connection from the grade line is ______ cms.

A

122 cms.

188
Q

The maximum horizontal developed length between the trap seal and the vertical vent inlet at the trap arm.

A

5 feet

189
Q

The minimum height of fire service connection from the grade line is ____ cms.

A

46 cms.

190
Q

The standard size of an outlet of a dry standpipe located for each floor is ___mm. diameter.

A

64 mm (2 1/2”)

191
Q

Water as delivered by NAWASA is no longer safe for drinking because of several contaminants from the water source present in the environment. It is now therefore imperative that water to be safe for drinking has to undergo water purification in several stages. Because of several contaminants, water undergoes several stages. What is a stage in water purification, which removes mineral deposits, salts, heavy metal, totally dissolves solids while some useful minerals are retained?

A

reverse osmosis

192
Q

What is a device installed on top of a pressure tank used to protect against hydrostatic collapse due to suction or negative pressure resulting from backsiphonage in a downfeed water distribution system?

A

pressure relief valve

193
Q

What is a type of vent applied on installations with multi-branch interval where the vertical vent pipe takes off in front of the first fixture and connects to a main vent stack?

A

circuit vent

194
Q

What is the size of supply inlet for flush tank type water closet?

A

3/8

195
Q

Where are dampers installed to regulate the amount of cool air for an even distribution to outlets?

A

at the branch supply duct as far as practical from the outlet

196
Q

A kind of G.I. fitting used as a reducer from a bigger diameter to a lesser diameter.

A

bushing

197
Q

Acidity is one of the most problems in water distribution and water purification, which can cause Corrosion of non-ferrous pipes and Rusting & clogging of steel pipes, which is the best solution for this problem?

A

Passing the water through a bed of crushed marble or limestone to achieve alkalinity, or adding sodium silicate

198
Q

Amount of waste discharged for a waste water treatment facility.

A

500 gpm

199
Q

One end is 0.30M and the other end is 0.90M long. This prevents the pipe from snapping (breaking?) when the soil settles. [U-shaped?]

A

Gooseneck

200
Q

Physical process in which the sediment particles collide with each other and stick together.

A

Flocculation

201
Q

The discharge from a sump pump shall have the following fittings installed in order, in the direction of flow:

A

union, check valve, shutoff valve

202
Q

What do you mean by “zero Ph” ?

A

Acid

203
Q

Copper tube permitted for underground water distribution.

A

type K soft

204
Q

What is a “powder room“ ?

A

half bath

205
Q

There are several reasons why soil stacks are not allowed in columns. Which is NOT the reason?

A

The size of the columns will be larger

206
Q

The tailpiece for a lavatory shall not be less than ____.

A

1-1/4 inch

207
Q

What feature in water supply is NOT advisable to plumbing fixtures, devices and opportunities?

A

Bacterial quantity

208
Q

Which of the following is an impairment of the quality of potable water which creates a hazard to public health through poisoning or the spread of disease?

A

Contamination

209
Q

Globe valve for steam and hot water?

A

composition

210
Q

What delivers water under pressure?

A

Centrifugal pump

211
Q

Who was the President of the Republic of the Philippines who signed the “Plumbing Law of the Philippines”?

A

Ramon Magsaysay

212
Q

A method of purifying water wherein particles of matters that are suspended in the water are allowed to stay in a container so that they will settle in the bottom, then drawing the water out, leaving these matters in the container.

A

Sedimentation

213
Q

The pipe or shaft which is used to remove foul air or congested air from a fixture or a room and convey the same to the atmosphere is called?

A

local vent

214
Q

Which does NOT apply in the removal of suspended materials and color in the water?

A

Chlorination

215
Q

What do you call the undesirable type of vegetation formed when water reservoir is exposed to light?

A

Pond scum

216
Q

The top of the well is lower than the high position of the previous stratum from which the water is obtained and water will rise through the entire length of the well and may flow from the wall without pumping.

A

Artesian well

217
Q

What is the size of the yoke or by past vent for a high rise building?

A

Equal size of the main vent

218
Q

What is the size of relief vent on a circuit vented soil branch installation of plumbing fixtures?

A

1/2 diameter of the soil pipe

219
Q

What should be the front clearance of a cleanout having 2 inches diameter or less shall not be less than?

A

305 mm

220
Q

What is the minimum horizontal distance required between vent terminal and window opening of a building?

A

3 m

221
Q

What should be the front clearance of a cleanout having 2 inches diameter or larger shall not be less than?

A

450 mm

222
Q

To reduce the excessive pressure that produces a hammering sound, how long a pipe should be added and installed on the top of riser of the highest fixture level to absorb air pressure.

A

0.60m - 0.90m

223
Q

Which method that is NOT commonly used for bringing water from its source to the costumer?

A

Domestic water softener system

224
Q

The soil branch piping installed in horizontal run must be supported by iron hanger at close interval to prevent sagging. What is the distance apart the hangers?

A

1.5 m

225
Q

What is the chief factor in clarification of still water since particles of solid materials will settle more readily in still than flowing water?

A

Sedimentation

226
Q

How far should a septic tank be constructed away from the water supply source to prevent contamination?

A

15.2 m

227
Q

Saddle clamp is a pipe fitting which is NOT use when water service is to be interconnected to the type of water main.

A

Asbestos cement pipe

228
Q

What is water that diminishes the capacity of water to form lather with soap?

A

Mineral that makes water hard

229
Q

What water storage that was NOT used during primitive period?

A

Glass container

230
Q

What is that appurtenant structure installed at the basement floor of a building which waste water are drained?

A

sump pit

231
Q

Which sources of water supply that was NOT used in the older days?

A

Centralized treatment of reservoir

232
Q

The non-soluble materials which is the end product after biological action of bacteria in waste and that settles at the bottom of the septic tank is called:

A

Sludge

233
Q

The pipe that is remarkable for hot water lure installation:

A

Copper pipes

234
Q

Corrosion in pipe, what is the by-product of chemical reaction of oxidation in forming ferrous oxide or rust is covered by the action of:

A

carbon dioxide, sulfur oxide, methane gas

235
Q

It is the sink used as a rule for janitorial services in a building is called:

A

Slop sink

236
Q

Determine the water nature through acidity or alkalinity is:

A

Ph value

237
Q

An instrument used to measure the water flow:

A

Venturi meter

238
Q

A type of valve which should be used only wide open or fully closed:

A

Gate valve

239
Q

It includes the urea, proteins and amino acids is:

A

Nitrogenous compound

240
Q

The unit of kinematics in metric system:

A

m2 / s

241
Q

The unit of dynamics in metric system:

A

Pa-s

242
Q

Means by which infectious agents are transported in causing disease. Water, food, insect and inanimate object may be vehicles of infection, insects or rodents are sometimes:

A

host

243
Q

The retention period or the time for which suspended matters in septic tank would settle and stabilize is:

A

24 hours

244
Q

The physical characteristics of sewage is determined by:

A

turbidity, color, odor

245
Q

A state of complete physical, mental and social well being and not merely the absence of disease or infirmity:

A

Health

246
Q

A positive displacement pump is:

A

rotary pump

247
Q

It includes the discharge from latrine, urinals, bathroom, kitchen and stables is called:

A

Sewage

Plumbing Refreshers (8 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions