complete solutions 2025
Which drawing provides a 3D view? - answers-oblique, isometric, perspective
What view does a cutting line show? - answers-Section view A 40mm line
drawn at actual scale is what length? - answers-20m (Multiply line by the de-
nominator. How many people can signal a crane operator? - answers-1 A bet-
ter workplace? - answers-positive reinforcement Shut off valve on a water
heater? - answers-cold or supply line Where's the curb stop located? - an-
swers-At the property line. Most common cause for water hammer? - an-
swers-Fast closing valves Identify a compression joint? - answers-(Has a nut)
How many 1/2 lines can be supplied by a 1'' line? - answers-4 What is the ab-
solute pressure of a gauge reading 30 psi? - answers-44.7 psi what does an
increase in pressure mean? - answers-more friction loss A cold water line
14ftu is what size? - answers-(2.6.3.4) 3/4" Size hot water lines? - answers-
1.5 m/s column What is the minimum size soil or waste stack? - answers-4
inch Where is the building trap located? - answers-Upstream side of the
building clean out. Minimum length of 1 1/2 abs trap arm? - answers-min 3"
max 6ft What type of back flow valve is used on a building? - answers-Nomi-
nally open What is used to join abs and cast iron? - answers-Mechanical joint
What is the purpose of a stack vent? - answers-maintain atmospheric pres-
sure in the vent. How to determine the developed length of a vent? - an-
swers-2.5.8.3 Hot to identify a sanitary tee? - answers-TY How should a pipe
wrench contact a pipe? - answers-2 points of contact Name the tools used to
cut cast iron soil pipe? (4) - answers-Squeeze cutters, chop saw, ratchet cut-
ter and hydraulic cutters Scaffold plank overhang? - answers-6" When are
guard rails needed? - answers-10 feet Best way to move rolling scaffold? -
answers-All persons off the scaffold A ladder must be separated from the
building by how much? - answers-1 foot for every 4 feet of wall. How much
above the roof must a ladder be? - answers-3 feet What rungs on an exten-
sion ladder cannot be used? - answers-Top 3 What do you need when work-
ing above 10 feet? - answers-Safety harness At what point are you tied off
at? - answers-An anchor point. What is the use of a tag line? - answers-Used
to control a load in the air. Best sling angle for a load? - answers-60 Degree If
lifting a 5,000-pound load with slings at 30 degrees what is the weight on
each sling? - answers-5,000 pounds Who can give crane operator emergency
stop? - answers-everyone Acetylene hose is what color? - answers-red How
must oxy/acetylene be stored? - answers-Upright and secured What are the
three flames on oxyacetylene? - answers-carbonizing, oxidizing, neutralizing.
CSA standart for ABS pipe? - answers-2.2.5 What type of hanger is used to
support copper? - answers-Apoxycoated Threads on a 2'' iron pipe? - an-
swers-( 1 to 2 inch) 11.5 What is the thread count for 3/4 inch galvanized
pipe? - answers-( 1/2 to 3/4 inch) 14 Why are burrs removed? - answers-To