plumb2.docx

7/17/2019 plumb2.docx

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. ______________ may be used either for the collection of water without consideration of pressure, or for storing water under air pressure or under a static head for future distribution by pneumatic or gravity means. Materials are PVC, G.I., reinforced concrstainless steel or plain steel.

A. CI!"#$% CI!"#$ !&$'B. (&!"# !&$'C. (&!"# )&MD. C*+"#)&M

2. ________ are holes in the earth from which a fluid may be withdrawn using manual or mechanical means such as draw bucet,pump,etc.A. ("--B. PI!C. +* /*-"D. $*$ *+ !/" &0*V"

3. (hich is not one of the components of plumbing1A. (ater upply )istribution ystemB. anitary )rainage and )isposal ystemC. torm )rainage ystemD. "lectrical Piping ystemE. all of the above

4. (hat is the best fi2ture for a public comfort roomA. gatevalveB. flushometerC. faucetD. non of the above

5. (hat can discharge directly to the sewer systemA. 0uilding ewerB. *il and GreaseC. &shesD. non of the above

6. (ater is sprayed into the air to release any trapped gases and absorb additional o2ygen for better taste.A. &erationB. edimentationC. ChlorinationD. +iltration

7. (ater is purified by ___________. In various processe s, so as to remove the particles of vegetable matter, mud and other particles of mat ter present in the water, most commonly used materials are sand and gravel.A. filtrationB. PurificationC. sedimentation

8. (ater is passed through layers of sand and gravel in concrete basins in order to remove the finer suspended particles.A. C*&G3-&!I*$B. +-*CC3-&!I*$C. ")IM"$!&!I*$D. +I-!#&!I*$

9. (ater cycle is consists of 4 stages of process, which is not includedA. "vaporationB. CondensationC. PrecipitationD. /ydration

10. 3se e2treme water pressure so as not to affect e2isting foundation in the vicinity. It maes use of a suction pump above, while casing acts as the pump riser.A. 0*#") ("--



B. )#I--") ("--C. 5"!!") ("--D. )3G ("--

11. 3PVC means6A. 3$P-&!ICI7") P*-8VI$8- C/-*#I)" pipeB. P-&!ICI7") P*-8VI$8- C/-*#I)" pipeC. P*-8VI$8- C/-*#I)" pipe

12. 3nderground container for waste matter6 a covered underground tan or well for the collection of waste matter and water, especially sewage.A. CI!"#$B. 3MP PI!% C"P**-C. "(&G" !&$'

13. !urbidity is another problems of water for water distribution, because il t or mud in surface or in ground, which can cause of discolation of water and bad taste, what is the best solution for thisA. &erationB. edimentationC. +iltrationD. 0oiling

14. !o reduce water hammer1A. put noise reduction insulation to absorb noise that will be created by the pipesB. an additional 9.49m to 9.:9m length of pipe is added to the riser to give air pressure which absorb it.C. addtional vent pipe

15.

;. !o insure no leaage, a G.I. pipe when threaded has to use lead li<uid or ______ tape around the thread before tightening the fittings.

A. solventB. teflonC. pacagingD. electrical

16. !his water source is often in springs and wells as a source of waterA. Ground waterB. #ain waterC. $atural (aterD. non of the above

17. !his pumps are used in applications where e2cess water must be pumped away from a particular area.a pump used to remove water that has accumulated in a water collecting sumppit,A. 5"! ="5"C!*#> P3MPB. 3MP P3MPC. !3#0I$" P3MPD. PI!*$ P3MP

18. !his is a portion of the rain water which has percolated into the earth to form underground depositsA. a<uifersB. wellC. cisternD. soil bearing

19.!his is a ind of pump attached to the end of deep well pipe enclosed in a casing where the pump is capable of functioning while submerged.

A. force pumpB. submersible pumpC. lift pump

20. !his consist s of a wedge?shaped plug which is screwed down to seat between two brass rings surrounding the inlet pipe so that a double seal is obtained. !he inlet and outlet are in a straight line. !his valve is used when a normal fully open or close

position is desired. "ither end may be used as inlet



A. gatevalvesB. checvalvesC. globe valves

21.

;. !hese valves are used when it is desired that the flow through a pipe be always in one direction and there is a possibility of a flow taing place in the opposite direction. *ne type has a pivoted flap which is readily pushed open by the prewater from one side but is tightly closed by the force of a reverse flow.

A. gatevalvesB. checvalvesC. globe valves

22. !hese are dug with earth augers are usually less than 49 meters =;99 ft> deep. !he diameter ranges from @ to 49 inches. !he well is lined with metal, vitrified tile or concrete.A. )3G ("--

B. 0*#") ("--C. )#IV"$ ("--D. /*#" ("--

23. !here is a septic tan installed on the top of a roc by the seashore. the tan is e2posed on low tide, and covered in sea water during high tide. which of the following would be an appropriate water proofing for it.A. water proof all surface, e2terior and interiorB. water proof all interior surface e2cept the floorC. water proof the walls only e2terior and interiorD. non of the above

24. !here are several reasons why soil stacs are not allowed in columns. (hich is $*! the reason1A. Pipes will interfere with reinforcing 0arsB. !he siAe of the columns will be largerC. Cracs and leas cannot be detectedD. !he Gas emitted will deteriorate concrete

25. !he pipe from the public water main or source of water supply to the building servedA. "#VIC" PIP"B.

M&I$ "#VIC" PIP"C. )I!#I03!I*$ PIP"

26. !he other physical properties of water is ability to climb up a surface against the pull of gravityA. 3#+&C" !"$I*$B. /"&! &0*P!I*$%C&P&CI!8C. C&PI--&#I!8D. )I*-VI$G &0I-I!8

27. !he ability to stic itself together and pull itself togetherA. 3#+&C" !"$I*$B. /"&! &0*P!I*$%C&P&CI!8C. C&PI--&#I!8D. )I*-VI$G &0I-I!8

28. uspended solids are removed from the water by gravity settling and depositionwater is passed through basins so sediments can settle through a period of timeA. C*&G3-&!I*$B. +-*CC3-&!I*$C. ")IM"$!&!I*$

D. &"#&!I*$

29. #e<uires more elaborate e<uipment depending on the geology of the site.3sed for drilling oil and can reach up to ;999 meters in depth.A. 0*#") ("--B. )#I--") ("--C. /*#" ("--D. )3G ("--



30.

;. refers to the public water system laid underground along the streets where the house service is connected.

A. main serviceB. water sourceC. water main

31. #aw water is made to pass on pipes of tiny sieves =strainers> and e2posed to air of fine mist to purify it.A. sedimentationB. reversed osmosisC. aeration

32. Pump having a plunger that move bac and forth within a cylinder e<uipped with chec valves.!he cylinder is best located near or below the ground level.

A. C"$!#I+3G&- P3MPB. #"CIP#*C&!I$G P3MPC. !3#0I$" P3MPD. 30M"#I0-" P3MP

33. Properties of water, that can dissolved everything , 'nown as the B3niversal olventA. 3#+&C" !"$I*$B. /"&! &0*P!I*$%C&P&CI!8C. C&PI--&#I!8D. )I*-VI$G &0I-I!8

34. Plays an important part in the plumbing system, providing this is the most critical utility re<uirement, and also nown as a D3niversal olventDA. sewageB. waterC. ChlorideD. Purified water

35. Physical process in which the sediment particles collide with each other and stic together.A. C*&G3-&!I*$B. +-*CC3-&!I*$C. ")IM"$!&!I*$D. &"#&!I*$

36. P& ________is a device used to move fluids, such as li<uidsor slurries.& M"C/&$IC&- "E3IPM"$! displaces a volume by physical or mechanical action.A. P3MPB. M*!*#C. P#*P"--"#D. M&C/I$"

37.

;. *ne end is 9.49M and the other end is 9.:9M long. !his prevents the pipe from snapping =breaing1>when the soil settles. F3?shaped1

A. goosenecB. corporation cocC. ball cocD. long nec

38. $&MP&P means1A. $ational Masteral Plumbing &ssociation of the PhilippinesB. $ational Master Plumbers &ssociations of the PhilippinesC. $ational Master Plumbing &ssociate of the PhilippinesD. non of the above

39. Method of introducing a controlled amount of chlorine to the water in order to attain a desired degree of disinfection.



A. C/-*#I$&!I*$B. +-*CC3-&!I*$C. +I-!#&!I*$D. ")IM"$!&!I*$

40. 5et pumps are centrifugal pumps typically used for drawing water up from a well.A. 30M"#I0-" P3MPB. !3#0I$" P3MPC. 5"! ="5"C!*#> P3MPD. #"CIP#*C&!I$G P3MP

41. Its is !he ability to absorb heat without becoming warmerA. 3#+&C" !"$I*$B. /"&! &0*P!I*$%C&P&CI!8

C. C&PI--&#I!8D. )I*-VI$G &0I-I!8

42. It contains an impeller mounted on a rotating shaft. !he rotating impeller increases the water velocity while forcing the water in to a casing thus converting the waterHs velocity into higher pressure.A. C"$!#I+3G&- P3MPB. #"CIP#*C&!I$G P3MPC. !3#0I$" P3MPD. 30M"#I0-" P3MP

43. Is the art and techni<ue of installing pipes, fi2tures and other apparatuses in buildings bringing the the supply li<uids substances %or ingredients and removing themA. source distributionB. plumbingC. mechanicsD. non of the above

44. Is plumbing system which carries water from the water source, street main or a pump to the building and to the various points in the building at which water is usedA. ewage ystemB. (ater upply and )istribution ystemC. )rainage ystem

D. $on of the above

45. Is basically a centrifugal pump complete with electric motors which are positioned under water in a suitable bored hole that delivers the water to the surfaceA. C"$!#I+3G&- P3MPB. #"CIP#*C&!I$G P3MPC. !3#0I$" P3MPD. 30M"#I0-" P3MP

46. Is any method that will remove one or more materials that mae the water unsuitable for a given useA. (ater edimentationB. (ater !reatmentC. (ater boilingD. non of the above

47. Is a tan constructed of riveted or welded steel pla teJ the larger tans often being divided into two compart ments. !hey should be large enough to contain at least one dayHs supply for the entire building in case the city main is temporarily shut off. !

from the pump to the tan should be across connected to the city main so that the water may be pumped directly from the main in case of fire. !hese tans are used so that the pneumatic tan or other pumps suc the water from this t an and not fro public main, so that it will not deprive the neighbors of water due to pressure.

A. (&!"# !&$'B.

CI!"#$ !&$'C. 3C!I*$ !&$'D. P$"3M&!IC !&$'

48. Is a pump used to deliver water at a point higher than the position of the pump itsel f. (hen the plunger =a piston> descends , valve K&H is closed and water in the cylinder is forced out through valve K0H and up to the storage. (hen the plunger is raisK0H is closed and K&H open to admit water to the cylinder. F& pump that uses pressure to move li<uid

A. lift pump



B. submersible pumpC. force pump

49. Is a positive displacement reciprocating pump in which a plunger is driven bacwards and forwards, or up and down by a mechanical woring head.(ater is suced into a sealed vacuum by use of a piston.A. PI!*$ P3MP PI!*$ P3MPB. #"CIP#*C&!I$G P3MPC. 5"! ="5"C!*#> P3MPD. !3#0I$" P3MP

50. In ;:4L, this the only group% organiAation for plumbing wors and ordinacesA. $&MP&PB. $&P&PC. )I-GD. )"$#

51. /ardness is another problem for water distribution because of Presence of magnesium andcalcium salts, which can cause Clogging of pipes Impaired laundry and cooing, which is the best solution for this1A. Chemical treatmentB. 0oilingC. edimentationD. aeration

52. G;. & fitting installed at a branching tee from a horiAontal soil branch to a horiAontal waste branch.A. &. 2@ (ye and @ ;%N bend combinationB. 0. 2 !eeC. C. 2@ !eeD. ). 2 (ye and ;%N bend combination

53. "2cessive pressure produces a rumbling sound called the ____________A. water hammerB. water pressureC. water desimination

54. Chemical process in which the coagulant reacts with the sediment to mae it capable of combining into larger particles.

A. C*&G3-&!I*$B. +-*CC3-&!I*$C. ")IM"$!&!I*$D. &"#&!I*$

55. &_______ is water e<uipment used whenever the water supply at its natural pressure cannot be directly piped to a building, tan or reservoir.

A. pumpB. tanC. motorD. bibb

56. &nd the horiAontal pipes that serve the faucets are called _______A. branchesB. vent pipeC. riserD. stac vent

57. &mount of waste discharged for a waste water treatment facilityA. 499 gpm

B. L99 gpmC. 49 cu.m.%dayD. L9 c.u. m. %day

58. &dvantage of 3sing #ain water is1A. (ater is soft pure and is suitable for the hot water supply system



B. (ater is available everydayC. (ater that is natural and purified by natural meansD. non of the above

59. &cidity is one of the most problems in water distribution and water purification, which can cause Corrosion of non?ferrous pipes and #usting clogging of steelpipes, which is the best solution for this problem1A. Passing the water through a bed of crushed marble or limestone to achieve alalinity, or adding sodium silicate.>B. Chlorination for removing salt contentsC. &erationD. non of the above

60. & turbine pump ha s a vertical turbine located below ground water levels and a driving motor located at groundA. C"$!#I+3G&- P3MPB. #"CIP#*C&!I$G P3MPC. !3#0I$" P3MP

D. 30M"#I0-" P3MP

61. & tan using air pressure from a suction tan to distribute water for tall buildings which cannot be reached by normal pressure.A. (&!"# !&$'B. CI!"#$ !&$'C. 3C!I*$ !&$'D. P$"3M&!IC !&$'

62.

;. & stop valve in a service pipe close to its connection with a water main.

A. gate valveB. corporation cocC. chec valveD. globe valve

63. & steel drive?wellpoint is fitted on one end of the pipe section and driven into the earth.!he point may be driven into the ground to a depth of up to;Lmeters=L9ft>.A. )#IV"$ ("--B. )3G ("--C. )""P ("--D. /*#" ("--

64. & pump consist of a piston traveling up and down within a cylinder which is connected with a pipe e2tending down into the source. !he piston and the bottom of the cylinder are each provided with a valve opening upward. 3pon the pistonHs upstro

K&H closes and valve K0H opens. 3pon the pistonHs down stroe valve K&H opens andA. lift pumpB. submersible pumpC. force pump

65. & mi2ture of surface run?off and ground water. urface sources includes rivers, laes, ponds and impounding reservoirs.A. Ground waterB. $atural surface (aterC. #ain (aterD. $atural (ater

66. & 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. aeration

B. sedimentationC. reverse osmosisD. purification

67.

;. & ind of G.I. fitting used as a reducer from a bigger diameter to a lesser diameter.



A. bushingB. reducerC. fitting

68.

;. & ind of G.I. fitting that has one end e2ternal threads, while the other end has internal threads.

A. !#""! "-0*( or !""B. wye

C. elbow

69. ;. (hich of the following locations )* $*! re<uire installat ion of a clean out1A. &. &t every branch interval of a soil stacB. 0. &ny horiAontal waste or soil pipe e2ceeding ;L metersC. C. &ny change in direction of a soil branch @@.L degrees and overD. ). &t every end of every soil branch

70. ;. (hich in the list is $*! a standard commercial siAe of GI pipe for water supply1A. &. @ ;%@ diameterB. 0. 4 diameterC. C. diameterD. ). L diameter

71. ;. (hich criterion is $*! needed in siAing a vent pipe for individual, bran ch and circuit vent based on the total linear footage of the pipe maing up the vent1A. &. )eveloped length of the vent pipeB. 0. $umber of fi2ture unitC. C. lope of the drain pipeD. ). iAe of the drain pipe

72. ;. (here are dampers installed to regulate the amount of cool air for an even distribution to outlets1A. &. at the trun ductsB. 0. at a practical location at angles and elbowsC. C. at the branch supply duct as far as practical from the outletD. ). at the air boot fitting

73. ;. (hat is the siAe of supply valve for tan type water closet1A. &. 4%B. 0. ;%@C. C. 4%ND. ). ;

74. ;. (hat is the minimum siAe of a trap or branch of a residential itchen1A. &. ; ;%@B. 0. ; 4%C. C. ; ;%D. ). @

75. ;. (hat is the minimum siAe of a trap or branch for a lavatory1A. &. ; ;%B. 0. ; 4%C. C. ; ;%@D. ). @



76. ;. (hat is a type of vent applied on installations with multi ?branch interval where the verti cal vent pipe taes off in front of the first fi2t ure and connects to a main vent stac1A. &. #elief ventB. 0. 8oe ventC. C. -oop ventD. ). Circuit vent

77. ;. (hat is a GI fitting to Ooin two threaded fittings as close as possible but not e2ceeding 4 inches1A. &. $ippleB. 0. $one of the threeC. C. 3nionD. ). Coupling

78. ;. (hat is a fire line system without a constant water suppl y and is e<uipped with a fire service inlet and outlet connection and ins talled e2clusivel y for the use of the +ire ervice1A. &. +ire )epartment /ouse ConnectionB. 0. Combination tandpipeC. C. )ry tandpipeD. ). (et tandpipe

79. ;. (hat is a device installed on top of a pressure tan used to protect against hydrostatic collapse due to suction or negative pressure resulting from bac?siphonage in a downfeed water distribution system1A. &. pressure reducing valveB. 0. vacuum breaer valveC. C. air volume control valveD. ). pressure relief valve

80. ;. (hat does P" pipe stands for1A. &. polyethylene pipeB. 0. polythylene pipeC. C. polyvinyl e2tra pipesD. ). plastics e2tra pipe

81. ;. (ater as delivered by $&(&& is no longer safe for drinin g because of several contaminants from the water source present in the environment. It is now therefore imperative that water to be safe for drining has to undergo water puri fication in

stages. 0ecause of several contaminants, water undergoes several stages. (hat is a stage in water purification, which removes mineral deposits, salts, heavy metal, totally dissolves solids while some useful minerals are retained1

A. &. carbon filtrationB. 0. aerationC. C. ultraviolet radiationD. ). reverse osmosis

82. ;. !he term used to the main water pipe delivering potable water to a building is called

A. &. (ater service pipeB. 0. $&(&&C. C. Main pipeD. ). (ater utility pipe

83. ;. !he standard siAe of an outlet of a dry standpipe located for each floor is ___mm. dia meter.A. &. L; mm =@>B. 0. Q mm =4>C. C. 4N mm =; ;%@>D. ). Q mm =@ ;%@>

84. ;. !he minimum height of fire service connection from the grade line is ____ cms.A. &. L9 cms.

B. 0. ;99 cms.C. C. Q cms.D. ). 4L cms.

85. ;. !he ma2imum horiAontal developed length between the trap seal and the vertical vent in let at the trap arm.A. &. Q feet



B. 0. L feetC. C. feetD. ). 4 feet

86. ;. !he ma2imum height of a fire service connection from the grade line is ______ cms.A. &. ;@9 cms.B. 0. ;49 cms.C. C. ;@@ cmsD. ). ;9@ cms.

87. ;. !he location of a fire hose cabinet connected to a standpipe for buildin gs shall be at every floor level above the first flo or at6A. &. storeroomB. 0. inside a mechanical%electrical roomC. C. a landing of an enclosed stairwayD.

). at any private room or rentable space

88. ;. !he general term for the hot or cold water pipes containing potable waterA. &. water plumbing pipesB. 0. water distribution pipesC. C. hot or cold water lineD. ). water supply pipes

89. ;. ingle lever valves used in itchen sin and lavatory faucets or at shower valves has gain popularit y in plumbing installati on today. !his is because these valves are beautiful and are maintenance?f ree. !hese valves wor by the principle of a6A. &. gate valveB. 0. angle valveC. C. ball valveD. ). globe valve

90. ;. Minimum water delivery in liters per minute for an outlet of a wet standpipe at a residual pressure or ;.N ilos per s<. mts.A. &. ;4@ liters per minuteB. 0. ;;@ liters per minuteC. C. ;LL liters per minuteD. ). ;@Q liters per minute

91. ;. It is customary that a full open type of valve is used in several locati ons in a water distribution sys tem. (hich location in the following lis t )*" $*! re<uire one1A. &. *n every hose bibbB. 0. *n water supplies to pressuriAed tanC. C. *n the water service pipe near the source connectionD. ). *n the main water distribution pipe near the water service

92. ;. In a water system with constant water supply supplying series of plumbing fi2tures, water supply drop is e2perience when the fi2tures in the series are simultaneously opened. (hich poor design in the plumbing system causes this1A. &. Choice in the system of water distributionB. 0. Insufficiency in the siAe of the water service and distribution pipeC. C. !oo many fi2tures opened simultaneouslyD. ). 3se of PVC or other plastic pipes

93. ;. In a water distribution sys tem, locations such as supply pipe to every water heater re< uires a full open valve. (hich of the following in the list is a full open valve1A. &. chec valveB. 0. ball valvesC. C. globe valveD. ). angle valve

94. ;. 0ranch vents are re<uired to have at least a slope ;% %feet. !he purpose of which is6A. &. for convenience in installing the pipeB. 0. to facilitate air movement with lesser air resistanceC. C. for purposes of economyD. ). to allow any waste to drain into the drain pipe



95. ;. &ny pipe in the plumbing system provided to ventilate a house drainage sys tem and to prevent trap siphonage and bac pressure.A. &. waste pipeB. 0. vent pipeC. C. soil pipeD. ). house trap

96. ;. & vent used in a battery of plumbing fi2t ures where the vent is installed in front of the las t fi2ture of the battery.A. &. yoe ventB. 0. circuit ventC. C. stac ventD. ). relief vent

97. ;. & type of water pump with its pump motor installe d on the surface attached to a lift and push rod to activate a submerged piston.A. &. reciprocation pumpB. 0. sump pumpC. C. Oac pumpD. ). centrifugal pump

98. ;. & type of pump which delivers high water discharge with high pressure drawn from a shallow source lie a cistern , best suited as fire pump or transfer pump. !he pump motor is ins talled on the surface for easy maintenance coupled with a shaft to

impellers, which is submerged below.A. &. centrifugal pumpB. 0. submersible pumpC. C. Oet pumpD. ). turbine pump

99. ;. & type of pump which comprises essenti ally an impeller or set of vanes enclosed in a housing or casing close coupled with the pump motor. Its fundamental principle is it adds energy in the form of velocity to an already flowing li<uid.A. &. reciprocating pumpB. 0. centrifugal pumpC. C. piston pumpD. ). turbine pump

100. ;. & type of pump for driven well from ;L9 ft to @99 ft which wors by a principle of venturi where water of high pressure is pump into the well to draw water upwards through the return pipe.A.

&. submersible pumpB. 0. Oet pumpC. C. Oac or piston pumpD. ). reciprocating pump

101. ;. & term used for a pipe e2tension of not more than @ feet in length, instal led at any stac or branch of a plumbing rough?in for the purpose future tap.

A. &. tail pieceB. 0. branchC. C. clean outD. ). stub out

102. ;. & suitable and economical type of water pump for a @99 ft. driven wall to deliver ;9gpm against @99 ft. !he )evelop /eight =!)/> where the motor and pump is located is at the surface.A. &. sump pumpB. 0. Oet pumpC. C. submersible pumpD. ). turbine pump

103. ;. & slow draining of water from a fi2ture down a plumbing system indicates a poor venting syste m. !his poor venting system is caused by6A. &. *ver loaded fi2ture unit in the soil stac

B. 0. Change in the atmospheric pressure in the pipeC. C. (rong choice of vent typeD. ). Inade<uate drain pipe

104. ;. & residence with ;@ family members re<uires 4.Q cu. meters of cold water daily with pea demand. (hat is the ma2imum hot water probable hourly demand1A. &. ;;9 liters



B. 0. ;99 litersC. C. ;@9 litersD. ). ;9 liters

105. ;. & female GI threaded pipe reducer fitt ing use to connect a reducing branch from a main water distribution.A. &. bell reducerB. 0. tee reducerC. C. elbow reducerD. ). coupling reducer

106. ;. & female GI threaded pipe reducer fitt ing use to connect a reducing branch pipe at an angle.A. &. "lbow reducerB. 0. 0ushing reducerC. C. Coupling reducerD.

). !ee reducer107. ;. & female GI pipe reducer fitting use d in a straight pipe connection where the fittingHs both ends are threa ded insideA. &. coupling reducerB. 0. bushing reducerC. C. elbow reducerD. ). tee reducer

108. ;. & device used to control an incoming high water pressure into the water distribut ion system by mechanical means so as to bring it to a woring pressure of N9 psi.A. &. Pressure relief valveB. 0. Pressure reducerC. C. Pressure reducing valveD. ). Pressure regulator

109. . 0y gravity, water is distributed from overhead water tans and is supported either by structural frames or on the roof decs. +i2tures are below the gravity tan. !hese elevated tans are installed when normal water supply from main public

pipes is not fre<uent and when normal pressure from city main is not enough to force the water to the highest fi2tures.A. 3P+"") 8!"MB. )*($ +"") 8!"MC. P#"3#" 8!"M

D. )I#"C! 8!"M

110. . (ater is distributed from the normal water pressure coming from the public water main, for low rise buildings.A. 3P+"") 8!"MB. )*($ +"") 8!"MC. P#"3#" 8!"MD. )I#"C! 8!"M

111. . & reservoir, tan or vessel for storing or holding water or other li<uidsA. CI!"#$% CI!"#$ !&$'B. (&!"# !&$'C. (&!"# )&MD. C*+"#)&M

112. . (ater is treated by giving ________________ to ill the harmful bacteria present and to cure the turbid taste or Bmud taste, remove clay, salts, iron, etc. commonly used treating li<uids is chlorine.A. chemical powderB. chemical treatmentsC. bacteria

113. . !he vertical supply pipe which e2tends upward from one floor to the ne2t is called a_________A. service pipeB. riserC. ventD. stac vent



114. ?can be constructed with hand tools or power tools?depth of about ;L meters =L9 ft>?can have the greatest diameter that a space may allowA. )3G ("--B. )""P ("--C. /*-" ("--D. +* /*-"

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