MASTER PLUMBER 7

Your Report Your Report Wrong Wrong Q.1)

Q.1) Of the Of the four board four board subjects given subjects given for Mfor Master Paster Plumbers examination, lumbers examination, which of which of this subject this subject waswas originall s!lit into two subjects"

originall s!lit into two subjects"

#.

#. Plumbing CodePlumbing Code $.

$. Design and InstallationsDesign and Installations %.

%. Plumbing Arithmetic (Your Answer)Plumbing Arithmetic (Your Answer) &.

&. Practical Practical ProblemsProblems (Correct Answer) (Correct Answer) Wrong

Wrong Q.')

Q.') %o!!er %o!!er tube and tube and fittings used fittings used for drafor drainage and vinage and vent !i!ing ent !i!ing installed abovegrinstalled aboveground shall ound shall be atbe at least ((((.

least ((((.

#.

#. !e !e &W*&W* (Correct Answer) (Correct Answer) $.

$. Type LType L %.

%. Type Type  &.

&. Type ! Type ! (Yo(Your Answer)ur Answer) %orrect

%orrect Q.+)

Q.+) # # domestic domestic dishwasher dishwasher drain drain shall shall first cfirst connect to onnect to ((((.((((.

#.

#. an a!!roan a!!roved airga! ved airga! fittingfitting (Your Answer) (Your Answer) $.

$. a double"chec# $al$ea double"chec# $al$e %.

%. a triple"chec# $al$ea triple"chec# $al$e &.

&. an appro$ed $al$ean appro$ed $al$e %orrect

%orrect Q.)

Q.) -nions shall -nions shall be installed be installed in a in a water swater su!!l sstem u!!l sstem within (((( within (((( to a to a water water heaterheater

#.

#. %& inches%& inches $.

$. 1' 1' inchesinches (Your Answer) (Your Answer) %.

%. ' inches' inches &.

&.  inches inches %orrect

%orrect Q.)

Q.) # # branch line sebranch line serving a tra! rving a tra! in a combination in a combination waste and vewaste and vent sstem is nt sstem is re/uired re/uired to be se!arto be se!aratelatel vented when the length of the branch exceeds ((((.

vented when the length of the branch exceeds ((((.

#. 1

#. 1 (Your Answer) (Your Answer) $. $. *+*+ %. %. ,, &. &. ',', Wrong Wrong Q.0)

Q.0) hreeinch hreeinch hori2ontal drainage hori2ontal drainage !i!ing shall !i!ing shall be run be run in !ractical in !ractical alignment and alignment and at a at a uniform slo!euniform slo!e of not less than ((((.

of not less than ((((.

#.

#. 13 13 inch !er inch !er footfoot(Correct Answer)(Correct Answer) $.

$. *-*& inch per .oot*-*& inch per .oot %.

%. *-' inch per .oot (Your Answer)*-' inch per .oot (Your Answer) &.

%orrect

Q.4) he minimum re/uirement for the slo!e of hori2ontal drainage !i!es between manholes is

#. / $. '"*-' /

%. '5 67our #nswer) &. %/

Wrong

Q.8) # drain connecting the com!artments of a set of fixtures to its tra! is called a6an) ((((.

#. continuous waste(Correct Answer) $. special waste

%. indirect waste (Your Answer) &. combination waste and $ent -nanswered

Q.9) he maximum number of lavatories on a '13' inch hori2ontal waste line is ((((.

#. *+

$. 1 (Correct Answer) %. '+

&. & Wrong

Q.1:) he maximum distance a gas shutoff valve ma be from a gas a!!liance 6exce!t for range and drer connectors) is ((((.

#. 0 feet (Correct Answer) $. *+.eet

%. % .eet (Your Answer) &. ' .eet

Wrong

Q.11) #n ejector discharge line shall be !rovided with a (((( 

#. gate $al$e only

$. bac;water valve and gate valve (Correct Answer) %.  bac#water $al$e only

&. swing chec# $al$e and a globe $al$e (Your Answer) %orrect

Q.1') <n the water test of the entire !lumbing sstem all o!enings should be tightl closed exce!t at

#.  protruding cleanouts $.  bleeders

%. stac# $ent

&. highest o!ening (Your Answer) Wrong

Q.1+) $ecause of structural conditions, a inch house drain is installed with a slo!e of 138 inch !er foot. his installation will result in a6an) ((((.

#. increased scouring and cleansing action

$. reduction in fixture unit loading allowance(Correct Answer) %. separation o. solids and li0uid (Your Answer)

&. increased allowance in .i1ture unit loading %orrect

Q.1) # (((( ma be installed with indirect waste

#. water closet

$. domestic #itchen sin#

%. drin;ing fountain (Your Answer) &. la$atory

%orrect

Q.1) # (((( tra! is not selfcleaning

#.  plaster $. cast"iron %.  bell

&. grease 67our #nswer) %orrect

Q.10) %hemical or industrial li/uid wastes that are li;el to damage the !ublic sanitar sewer sstem shall 22223

#. be !retreated to render them innocuous (Your Answer) $. not be used under any condition

%.  be drained into a holding tan# &.  be drained into a storm drain Wrong

Q.14) Aseamless drawnbrass fixture tail!iece shall be ((((.

#. ' 456 gauge (Your Answer) $. ': $=> gauge (Correct Answer) %. '' 456 gauge

&. '& 456 gauge %orrect

Q.18) ?ub and s!igot castiron !i!ing in 1:foot lengths, installed hori2ontall, shall be su!!orted at intervals of not more than ((((.

#. 1: feet 6Your Answer) $. *' .eet

%. , .eet &. *, .eet Wrong

Q.19) Water heater vents terminate above a roof surface at least (((( from a vertical wall. 7

#. 1' inches (Correct Answer) $. & inches (Your Answer) %.  .eet

&. % .eet %orrect

Q.':) he distance from the center of a water closet to an side wall or !artition shall not be closer than 22223

#. 1 inches (Your Answer) $. *' inches

%. ' inches &. %+ inches %orrect

Q.'1) &rin;ing fountains ma be installed with ((((.

#. steel pipe

$. indirect wastes (Your Answer) %. yo#e $enting

&.  bell traps %orrect

Q.'') @oints at the roof around !i!es shall be made watertight b the use of ((((.

#. epo1y glue

$. flashings(Your Answer) %. waterproo. paint

&. tar and paper %orrect

Q.'+) Adevice to !revent bac;flow into the !otable water sstem is called a ((((.

7

#.  bac#.low connection $. siphon leg

%. bac;flow !reventer (Your Answer) &.  bac#"siphonage

%orrect

Q.') $uilding sewers shall be tested b com!letel filling the sewer with water from the ((((. 7

$. lowest to at least ground le$el %. lowest to at least a ,".oot head &. lowest to at least a *+".oot head Wrong

Q.') # !lumbing vent shall terminate not less than ((((.

#. % .eet .rom an air inta#e

$. 1: feet from an air inta;e 6%orrect #nswer) %. * .oot abo$e the roo. (Your Answer)

&. , .eet abo$e a window Wrong

Q.'0) %leanouts ma be omitted on a hori2ontal drain line less than  feet exce!t for ((((.

#.  bathtubs

$. water closets (Your Answer) %. sin;s(Correct Answer) &. showers

Wrong

Q.'4) Axce!t for !lastic !i!ing sstems, hot and cold water !i!ing ma be tested with ((((.

#. *++ psi air .or at least *+ minutes (Your Answer) $. %, psi air .or at least *, minutes

%. : !si air or the wor;ing !ressure of the water in the sstem for at least 1 minutes 6Correct Answer)

&. + psi air or *,+ psi water .or *+ minutes Wrong

Q.'8) he de!th of the finished dam of threshold for an shower, measured from the to! of the drain, shall not be less than ((((.

#.  inches (Your Answer) $. *' inches

%. ' inches (Correct Answer) &. 8 inches

Wrong

Q.'9) he vent for a ;itchen sin; serves as a drain for a laundr tub. he si2e of the wetvented section is 22223

#. *"*-' inches (Your Answer) $. % inches

%. '"*-' inches

&. ' inches(Correct Answer) Wrong

Q.+:) Bas !i!ing with !ressure less than 13inch water column shall stand an air test of ((((.

#. ,+ psi $. %+ psi

%. *, psi (Your Answer)

Wrong

Q.+1) -nder no circumstances ma gas a!!liance !ressure regulators be vented ((((.

#. to the gas utili9ation e0uipment .lue or e1haust system (Correct Answer) $. using blac# iron pipe (Your Answer)

%. to the combustion chamber near the pilot &. to the atmosphere

Wrong

Q.+') # water heater vent ma have one offset of not more than 0: degrees from the ((((.

#. heater

$. hori9ontal (Your Answer) %. roo.

&. $ertical (Correct Answer) Wrong

Q.++) he aggregate crosssectional area of all vents for a sstem with a re/uired inch sewer shall be at least ((((.

#. 1'.0 s/uare inches 6%orrect #nswer) $.  s0uare inches

%. :3+& s0uare inches (Your Answer) &. * s0uare inches

Wrong

Q.+) hat !ortion of a venting sstem that connects a water heater to a vent is a ((((.

#. chimney connector

$. vent connector (Correct Answer) %. Type 4 $ent (Your Answer) &. $ent

%orrect

Q.+) he minimum si2e of gas !i!ing su!!l to a mobile home is ((((.

#. +3 inch (Your Answer) $. *-' inch

%. ' inches &. * inch Wrong

Q.+0) Pilots and burners o. gas".ired water heaters (e1cept sealed combustion chambers) in residential garages shall be 2222 abo$e the .loor le$el3

#. ' inches $. *' inches

%. * inches (Correct Answer) &. & inches (Your Answer) Wrong

Q.+4) P;< piping installed hori9ontally must be supported e$ery 2222 inches3

#.  $. '

%. %& (Your Answer) &. %' (Correct Answer) Wrong

Q.+8) One tra! ma serve a set of not more than ((((.

#. three singlecom!artment sin;s(Correct Answer) $. two double"compartment sin#s

%. two la$atories (Your Answer) &. three la$atories

-nanswered

Q.+9) The e1it terminals o. mechanical dra.t systems shall be 22223

#. in the same story

$. not o$er *+ .eet .rom the $ent

%. not less than : .eet abo$e grade (Correct Answer) &. not o$er '+ .eet .rom the $ent

Wrong

Q.:) The minimum si9e waste pipe .or a residential #itchen sin# is 22223

#. % inches $. '"*-' inches

%. ' inches (Correct Answer) &. *"*-' inches (Your Answer) %orrect

Q.1) ;ach drainage stac# that e1tends *+ or more stories abo$e the building drain shall be ser$ed by 22223

#. cleanouts at each .loor

$. a parallel $ent stac# (Your Answer) %. e1tra"hea$y .ittings

&. straps e$ery , .eet %orrect

Q.') All trenches deeper than the .ooting o. any building or structure and paralleling the same must be at least 22223

#. ' .eet deep

$. , degrees there.rom (Your Answer) %.  .eet thereon

&. ' .eet wide Wrong

supported at inter$als o. no to e1ceed 22223

#. *+ .eet $. & .eet

%. ' .eet (Your Answer) &.  .eet (Correct Answer) -nanswered

Q.) Three"0uarter inch or *"inch gas piping installed hori9ontally shall be supported at int er$als not to e1ceed 22223

#. & .eet $.  .eet

%.  .eet (Correct Answer) &. , .eet

Wrong

Q.) The terminal end o. the drain .or a pressure"relie. $al$e shall not be 22223

#.  painted $. reamed

%. threaded (Correct Answer) &. open (Your Answer) Wrong

Q.0) One material not a!!roved for the installation of an external tra! for a urinal is ((((.

#. A46 $. cast brass

%. drawn"brass tubing traps (Correct Answer) &. cast iron (Your Answer)

Wrong

Q.4) The minimum common hori9ontal waste pipe ser$ing a bathtub? a la$atory? and a #itchen sin# shall be at least 22223

#. % inches

$. * "*-' inches (Your Answer) %. ' " *-' inches

&. ' inches (Correct Answer) %orrect

Q.8) >hat #ind o. @oint is not allowed in cast iron pipe

#. welded

$.  bell and spigot

&. soldered %orrect

Q.9) >all"mounted water closet .i1tures shall be securely bolted to 22223

#. the $ent piping $. the drain piping %. a closet bend

&. metal supporting members (Your Answer) Wrong

Q.:) The tailpiece .or a la$atory shall not be less than 22223

#. *"*- inch (Correct Answer) $. *"*-' inch (Your Answer) %. * inch

&. *"%- inch %orrect

Q.1) Bnless ser$ing sin#s or urinals? cleanouts may be omitted on a hori9ontal drain line that is

#. greater than '3+ meters

$. less than *3, meters (Your Answer) %. e0ual to '3+ meters

&. none o. these %orrect

Q.') What ;ind of concealed connections on fixtures that it is re/uired to !rovide an access !anel or utilit at least :.+ meter in its least dimension for eas ins!ection and re!air"

#. sli! joint (Your Answer) $. hubless

%.  ball and soc#et &. .langed

Wrong

Q.+) he si2ing of gas vents for categor <<, <<< and <* shall be in accordance with ((((.

#. the manu.acturers guide (Your Answer)

$. the manufacturers instructions (Correct Answer) %. the gas company

&. the $ent connector company %orrect

Q.) Cor a vertical drainage line that is installed to be trul in vertical !osition, what is the allowed degree of the branch to be used"

7

#. *,

%. , &. ''3, Wrong

Q.) he develo!ed length between the tra! of a water closet and its vent shall not exceed ((((.

#.  .eet

$. *' inches (Your Answer) %. %+ inches

&. 0 feet (Correct Answer) Wrong

Q.0) 6ingle"wall metal pipe shall terminate at least , .eet in $ertical height abo$e the highest connected e0uipment 22223

#. within a hori9ontal distance o. *+ .eet (Your Answer) $. dra.t hood

%. dra.t hood outlet or .lue collar (Correct Answer) &. or appro$ed cap on the roo.

Wrong

Q.4) >hen si9ing a copper .uel"gas piping system that has an inlet pressure o. less than ' psi with a  pressure drop o. +3% inch w3c3? the ma1imum cubic .eet per hour o. gas .low allowed through a ,-"

inch 3D3 ACR tube :, .eet in de$eloped length is 22223

#. *%

$.  (Your Answer) %. ': (Correct Answer) &. &

%orrect

Q.8)  o trap .or any clothes washer standpipe shall be installed 22223

#. * inches abo$e the .loor $. in a partition

%. & inches abo$e the .loor

&.  below the .loor (Your Answer) Wrong

Q.9) The total number o. closets on a %"inch stac# is 22223

#. .our (Correct Answer) $. three

%. two

&. si1 (Your Answer) Wrong

Q.0:) The ma1imum length .or a *"*-'"inch $ent pipe is 22223

#. ,+ .eet

$. &+ .eet (Correct Answer) %. '+ .eet (Your Answer) &. %+ .eet

Q.01) >hat is the minimum age re0uirement .or an appointee to become a member o. the 4oard o. !aster Plumbers

#. Thirty .i$e years old $. Thirty two years old

%. Thirty years old (Your Answer) &. Twenty eight years old

%orrect

Q.0') The minimum hori9ontal distance between a water supply well and the building sewer is 22223

#. ,+ .eet (Your Answer) $. *++ .eet

%. *+ .eet &. *, .eet %orrect

Q.0+) Cixture tra!s shall have a water seal of not less than ((((.

#. *' inches

$. ' inches 67our #nswer) %. & inches

&.  inches Wrong

Q.0) %astiron soil !i!e stac;s shall be su!!orted at ((((.

#. their base and each floor 6%orrect #nswer) $. inter$als o. *+ .eet (Your Answer)

%. inter$als o. , .eet &. e$ery other story Wrong

Q.0) # refrigerator used to store food and that re/uires drainage shall be drained b means of ((((.

#. an indirect waste !i!e 6%orrect #nswer) $.  both A and 4

%. a direct connection (Your Answer) &. no drain re0uired

Wrong

Q.00) Do water heater 6exce!t direct vent water heaters and fuel burning water heaters installed in a closet with a listed, gas;eted door assembl and listed selfclosing device) that de!ends on the combustion of fuel for heat shall be installed in an ((((.

 2 

#. garage $. #itchen

%.  basement (Your Answer) &. bedroom 6%orrect #nswer)

Wrong

Q.04) The building sewer shall be determined on the basis o. the total number o. .i1ture units drained b y such sewer in accordance with 22223

#. none o. the abo$e

$. the ma1imum .i1ture load only

%. the same table(s) as the building drain (Your Answer) &. Table :" .i1ture unit loading (Correct Answer) -nanswered

Q.08) >oil and drain !i!es located above foodhandling establishments shall be subjected to a standing water test of not less than (((( feet.

#. *' $. ',

%. *+ (Correct Answer) &. *,

%orrect

Q.09) A $ent in a combination waste and $ent system shall be appro1imately e0ual in area to one"hal. the  22223

#. area o. the house sewer

$. cross"sectional o. the drain pipe ser$ed (Your Answer) %. area o. the public sewer

&. diameter o. the drain pipe ser$ed %orrect

Q.4:) %oncealed sli! joint connection re/uire a 6an) ((((.

#.  1 *' access panel $. *+ 1 *' access panel

%. 1' x 1' access !anel 67our #nswer) &. * 1 * access panel

%orrect

Q.41) >ater ser$ice pipes? or any underground water pipes? shall not be run or laid in the same trench with  22223

#.  piping .or a lawn sprin#ler

$. asbestos cement building sewer piping (Your Answer) %. cast"iron building sewer piping

&. any other water pipe Wrong

Q.4') 6ewer or other drainage piping that shall no be installed under or within ' .eet o. an y building or structure is 22223

#. A46 $. cast iron

%. asbestos cement (Correct Answer) &. copper (Your Answer)

Q.4+) In each run o. hori9ontal drain piping? the distance between cleanouts shall not e1ceed 22223

#. ,+ .eet (Your Answer) $. %++ .eet

%. :, .eet

&. *++ .eet (Correct Answer) Wrong

Q.4) # t!e $W gas vent shall terminate at least (((( feet in vertical height above the bottom of the wall furnace

#. & (Your Answer) $. *' (Correct Answer) %. 

&.  Wrong

Q.4) he minimum si2e tra! and tra! arm for a ;itchen sin; is ((((.

#. 113' inches 6%orrect #nswer) $. ' inches (Your Answer)

%. % inches &. '"*-' inches %orrect

Q.40) >leeves shall be !rovided to !rotect all !i!ing through (((( and (((( walls.

#. concrete, masonr 67our #nswer) $. ceiling? wooden

%. wood? concrete &. .loor? concrete -nanswered

Q.44) %astiron soil !i!e shall not be ((((.

#. used belowground $.  painted

%. used .or drain lines

&. threaded(Correct Answer) Wrong

Q.48) >inglewall metal !i!e shall be constructed of (((( not less than :.:+: inch thic;.

#. P=C 6ch + (Your Answer)

$. galvani2ed, sheet steel (Correct Answer) %. copper sheet metal

&. cast ironcast iron %orrect

Q.49) The ma1imum hori9ontal distance o. a trap arm is measured .rom the inner edge o. the $ent to the  22223

#. outlet

$. weir o. the trap (Your Answer) %. dip

&. inlet Wrong

Q.8:) he vertical distance between a fixture outlet and the tra! weir shall not exceed ((((.

#. * inches $. %& inches

%. 1' inches 6%orrect #nswer) &. ' inches (Your Answer) Wrong

Q.81) Donmetallic shower sub!ans or linings ma be built u! on the job site of not less than ((((.

#. three laers of 1 !ound felt 6%orrect #nswer) $. two layers o. *, pound .elt

%. .our layers o. *, pound .elt

&. one layer o. *, pound .elt (Your Answer) %orrect

Q.8') The de$eloped length o. *"*-'"inch trap arms shall not e1ceed 22223

#. ' .eet?  inches $. , .eet

%. & .eet

&. % .eet? & inches (Your Answer) Wrong

Q.8+) A water system containing storage water"heating e0uipment will re0uire a 22223

#. listed combination temperature and pressure relie. $al$e (Correct Answer) $. chec# $al$e (Your Answer)

%. hot water return line &. mi1ing $al$e

Wrong

Q.8) #n indirect waste !i!e 1' feet long re/uires ((((.

#. a tra! onl (Correct Answer) $. a trap and $ent (Your Answer) %. no trap or $ent

&. a $ent only Wrong

Q.8) Water closet tan; ballcoc;s shall be installed with the vacuum brea;er critical level at least ((((.

#. * inch abo$e the .lush $al$e opening (Your Answer) $. & inches abo$e the .ull opening o. the o$er.low tube

%. 1 inch above the full o!ening of the overflow tube (Correct Answer) &. & inches abo$e the .lush $al$e opening

Q.80) he re/uired clearance in front of a +inch cleanout is ((((.

#. & inches (Your Answer) $. 18 inches (Correct Answer) %. *' inches

&. ' inches %orrect

Q.84) Cerrous gas !i!ing installed underground in exterior locations shall have at least ((((.

#. one double swing @oint $. two condensation drip leg

%. 1 foot of earth cover (Your Answer) &. .our 8+"degree elbows

%orrect

Q.88) Minimum clearance of listed a!!liances to an combustible wall or !artition is ((((.

#.  inches $. * inch

%. s!ecified in listing or rating !late and DCP# '11 >tandard (Your Answer) &. % inches

%orrect

Q.89) Eea;s in gas !i!ing shall be located b a!!ling ((((.

#. .ire or acid to the pipe @oints

$.  potable water to the interior o. the piping tubing

%. soa! water to the exterior of the !i!ing (Your Answer) &. a noncorrosi$e lea# detection .luid

%orrect

Q.9:) # fixture vent !i!e increased one !i!e si2e its entire length ((((.

#. ma exceed the maximum hori2ontal length limited b code (Your Answer) $. will be a better wor#manship @ob

%. will increase the $enting e..iciency &. will reduce the cost o. installation Wrong

Q.91) *itrified cla building sewer !i!e and fittings are ((((.

#. unrestricted in use .or drain lines

$. unrestricted in use .or $ent lines (Your Answer)

%. appro$ed .or use inside o. buildings and abo$eground

&. a!!roved for use at least 1' inches belowground (Correct Answer) %orrect

Q.9') >heet metal, constituting a !art of an vent connector, shall be at least ((((.

#. :.:+: inches 6Your Answer) $. +3+,+, inches