RV PLUMBING Exam with Questions
and Correct Answers 2025
What ,are ,the ,two ,purposes ,of ,the ,RV ,plumbing ,system? ,- ,CORRECT ,ANSWER-
To ,supply ,hot ,and ,cold ,potable ,water.
To ,provide ,a ,means ,of ,disposing ,of ,wastewater ,at ,each ,fixture ,in ,a ,sanitary
,manner.
Explain ,how ,the ,RV ,plumbing ,system ,is ,different ,from ,that ,found ,in ,a ,house. ,-
,CORRECT ,ANSWER-Both ,the ,water ,distribution ,and ,wastewater ,system ,are
,usually ,self-contained ,in ,that ,the ,RV ,has ,both ,an ,on-board ,source ,of ,water ,and
,onboard ,means ,for ,storage ,for ,waste.
what ,type ,of ,plastic ,pipe ,is ,normally ,used ,in ,RV ,drainage ,systems? ,- ,CORRECT
,ANSWER-ABS. ,acrylonitrile-butadiene-styrene
What ,color ,of ,piping ,is ,used ,on ,RV ,drainage ,systems? ,- ,CORRECT ,ANSWER-
usually ,black ,but ,it ,can ,be ,white.
What ,does ,DWV ,stand ,for? ,- ,CORRECT ,ANSWER-Drain, ,waste, ,vent
how ,is ,DWV ,piping ,sized? ,- ,CORRECT ,ANSWER-The ,wall ,thickness ,of ,the ,pipe
What ,is ,the ,typical ,schedule ,size ,for ,ABS ,DWV ,piping ,used ,in ,RV's ,? ,-
,CORRECT ,ANSWER-schedule ,40 ,or ,equivalent
What ,are ,the ,five ,major ,components ,of ,a ,water ,distribution ,system? ,-
,CORRECT ,ANSWER-Piping ,system
Freshwater ,storage ,system
Water ,Pump
Faucets
Water ,heater
Explain ,what ,"listed" ,means ,- ,CORRECT ,ANSWER-Listed ,means ,that ,equipment
,or ,materials ,have ,been ,tested ,and ,evaluated ,and ,are ,suitable ,for ,which ,they
,are ,to ,be ,used.
, List ,two ,things ,required ,for ,an ,RV ,water ,distribution ,system ,- ,CORRECT
,ANSWER-A ,source ,of ,fresh ,water
A ,means ,of ,providing ,pressure
List ,the ,four ,types ,of ,water ,systems ,used ,in ,RVs ,- ,CORRECT ,ANSWER-City
,water ,pressure
Demand ,pump ,pressure ,system
Manual ,pump ,system
Air ,pressurized ,system
What ,is ,the ,function ,of ,a ,check ,valve ,- ,CORRECT ,ANSWER-Prevents ,water
,from ,back ,flowing ,into ,the ,pump ,or ,storage ,tank
Can ,copper ,be ,used ,for ,RV ,water ,distribution ,systems? ,- ,CORRECT ,ANSWER-
Yes. ,copper ,tubing ,may ,be ,used ,in ,older ,RV's ,or ,high ,end ,expensive ,Rv's.
How ,many ,types ,of ,plumbing ,system ,tanks ,are ,usually ,found ,on ,an ,RV ,and
,what ,are ,they? ,- ,CORRECT ,ANSWER-Three
Freshwater ,storage ,tank
liquid ,waste ,holding ,tank ,(graywater)
solid ,waste ,holding ,tank ,(black ,water)
Can ,PVC ,piping ,be ,used ,for ,for ,RV ,system ,drainage ,piping? ,- ,CORRECT
,ANSWER-Yes. ,It ,rarely ,is ,because ,it ,is ,more ,brittle ,in ,cold ,weather.
What ,document ,establishes ,the ,plumbing ,requirements ,for ,RV'S? ,- ,CORRECT
,ANSWER-NFPA ,1192 ,standard ,for ,recreational ,vehicles
True/False
According ,to ,NFPA ,1192 ,every ,fixture ,in ,the ,drainage ,system ,and ,every ,holding
,tank ,is ,required ,to ,be ,vented. ,- ,CORRECT ,ANSWER-True
Can ,an ,anti ,siphon ,trap ,vent ,device ,be ,substituted ,for ,a ,primary ,vent? ,-
,CORRECT ,ANSWER-No
What ,is ,an ,accumulator? ,- ,CORRECT ,ANSWER-A ,device ,that ,decreases ,water
,pulsation ,and ,the ,rapid ,one-off ,pump ,operation.
What ,is ,a ,pressure ,gauge? ,- ,CORRECT ,ANSWER-A ,device ,used ,when
,performing ,a ,leak ,test ,of ,the ,water ,distribution ,system
What ,is ,a ,filter? ,- ,CORRECT ,ANSWER-A ,device ,designed ,to ,remove ,impurities
,from ,the ,water.
and Correct Answers 2025
What ,are ,the ,two ,purposes ,of ,the ,RV ,plumbing ,system? ,- ,CORRECT ,ANSWER-
To ,supply ,hot ,and ,cold ,potable ,water.
To ,provide ,a ,means ,of ,disposing ,of ,wastewater ,at ,each ,fixture ,in ,a ,sanitary
,manner.
Explain ,how ,the ,RV ,plumbing ,system ,is ,different ,from ,that ,found ,in ,a ,house. ,-
,CORRECT ,ANSWER-Both ,the ,water ,distribution ,and ,wastewater ,system ,are
,usually ,self-contained ,in ,that ,the ,RV ,has ,both ,an ,on-board ,source ,of ,water ,and
,onboard ,means ,for ,storage ,for ,waste.
what ,type ,of ,plastic ,pipe ,is ,normally ,used ,in ,RV ,drainage ,systems? ,- ,CORRECT
,ANSWER-ABS. ,acrylonitrile-butadiene-styrene
What ,color ,of ,piping ,is ,used ,on ,RV ,drainage ,systems? ,- ,CORRECT ,ANSWER-
usually ,black ,but ,it ,can ,be ,white.
What ,does ,DWV ,stand ,for? ,- ,CORRECT ,ANSWER-Drain, ,waste, ,vent
how ,is ,DWV ,piping ,sized? ,- ,CORRECT ,ANSWER-The ,wall ,thickness ,of ,the ,pipe
What ,is ,the ,typical ,schedule ,size ,for ,ABS ,DWV ,piping ,used ,in ,RV's ,? ,-
,CORRECT ,ANSWER-schedule ,40 ,or ,equivalent
What ,are ,the ,five ,major ,components ,of ,a ,water ,distribution ,system? ,-
,CORRECT ,ANSWER-Piping ,system
Freshwater ,storage ,system
Water ,Pump
Faucets
Water ,heater
Explain ,what ,"listed" ,means ,- ,CORRECT ,ANSWER-Listed ,means ,that ,equipment
,or ,materials ,have ,been ,tested ,and ,evaluated ,and ,are ,suitable ,for ,which ,they
,are ,to ,be ,used.
, List ,two ,things ,required ,for ,an ,RV ,water ,distribution ,system ,- ,CORRECT
,ANSWER-A ,source ,of ,fresh ,water
A ,means ,of ,providing ,pressure
List ,the ,four ,types ,of ,water ,systems ,used ,in ,RVs ,- ,CORRECT ,ANSWER-City
,water ,pressure
Demand ,pump ,pressure ,system
Manual ,pump ,system
Air ,pressurized ,system
What ,is ,the ,function ,of ,a ,check ,valve ,- ,CORRECT ,ANSWER-Prevents ,water
,from ,back ,flowing ,into ,the ,pump ,or ,storage ,tank
Can ,copper ,be ,used ,for ,RV ,water ,distribution ,systems? ,- ,CORRECT ,ANSWER-
Yes. ,copper ,tubing ,may ,be ,used ,in ,older ,RV's ,or ,high ,end ,expensive ,Rv's.
How ,many ,types ,of ,plumbing ,system ,tanks ,are ,usually ,found ,on ,an ,RV ,and
,what ,are ,they? ,- ,CORRECT ,ANSWER-Three
Freshwater ,storage ,tank
liquid ,waste ,holding ,tank ,(graywater)
solid ,waste ,holding ,tank ,(black ,water)
Can ,PVC ,piping ,be ,used ,for ,for ,RV ,system ,drainage ,piping? ,- ,CORRECT
,ANSWER-Yes. ,It ,rarely ,is ,because ,it ,is ,more ,brittle ,in ,cold ,weather.
What ,document ,establishes ,the ,plumbing ,requirements ,for ,RV'S? ,- ,CORRECT
,ANSWER-NFPA ,1192 ,standard ,for ,recreational ,vehicles
True/False
According ,to ,NFPA ,1192 ,every ,fixture ,in ,the ,drainage ,system ,and ,every ,holding
,tank ,is ,required ,to ,be ,vented. ,- ,CORRECT ,ANSWER-True
Can ,an ,anti ,siphon ,trap ,vent ,device ,be ,substituted ,for ,a ,primary ,vent? ,-
,CORRECT ,ANSWER-No
What ,is ,an ,accumulator? ,- ,CORRECT ,ANSWER-A ,device ,that ,decreases ,water
,pulsation ,and ,the ,rapid ,one-off ,pump ,operation.
What ,is ,a ,pressure ,gauge? ,- ,CORRECT ,ANSWER-A ,device ,used ,when
,performing ,a ,leak ,test ,of ,the ,water ,distribution ,system
What ,is ,a ,filter? ,- ,CORRECT ,ANSWER-A ,device ,designed ,to ,remove ,impurities
,from ,the ,water.
