PLUMBING RED SEAL TEST FINAL EXAM 2
VERSIONS WITH STUDY GUIDE 2026/2027 BANK
CURRENTLY TESTING EXAM QUESTIONS WITH
DETAILED VERIFIED ANSWERS 100% CORRECT
ANSWERS ||ALREADY GRADED A+||BRAND NEW!!
A private water supplied cistern is fitted with a 3/4" make-
up water pipe supplied by a municipal system. What size
air gap would be required?
A. 3/4"
B. 1.5"
C. 1"
D. 2" - ....ANSWER...B. 1.5"
Which is not a hot water heating piping system?
,2|Page
A. two pipe direct return
B. One pipe gravity return
,C. Series loop
D. Two pipe reverse return - ....ANSWER...B. One pipe
gravity return
HWT is a common abbreviation for?
A. Holding water tank
B. Heat, Water, Temperature
C. Hot water faucet
D. Water heater - ....ANSWER...D. Water heater
Which article or subsection of the NPC deals expansion
and contraction?
, 3|Page
A. 2.3.5
B. 2.3.3.9
C. 2.4.7
D. 2.4.6 - ....ANSWER...B. 2.3.3.9
,When using a clamp-on ammeter to measure the current
draw of a pump motor, the clamp must only be around one
conductor.
True or False? - ....ANSWER...True
A drain valve should be installed on a meter bypass
installation when the service exceeds ___ inch trade size.
A. 2