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