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What huge disaster occurred on 1885 that started the process of R
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egulations and Standards in the pipe trade industry? -
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correct answer ✔ ✔
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Twenty seven boilers exploded at the Henry Clay mine leveling
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an entire town.
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How many steps must be followed when putting on a full body ha
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rness? - correct answer ✔ ✔ 5
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Which is the most commonly used shackle in rigging? -
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correct answer ✔ ✔ Anchor type with screw pin
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What would it mean if a boiler or vessel design was given the CN
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R number 531.7 based on CSA standards? - correct answer ✔
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✔ It means the design was done in New Brunswick.
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Wastewater in a normal residential application is composed of ap
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proximately _________ percent solids - correct answer ✔ ✔ ,. ,. ,. ,. ,. ,. ,.
0.1
,What material is used to fabricate chain slings? - correct answer
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✔ ✔ Alloy steel ,.
The polyethylene drop pipe of a submersible pipe should be equip
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ped with a _______ arrestor to stop movement of the pipe during
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pump starting and stopping - correct answer ✔ ✔ Torque
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What does Bill C-45 provide? - correct answer ✔ ✔
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That infraction could result in criminal charges.
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Which disc globe valve can be used on high pressure and small lin
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e size applications? - correct answer ✔ ✔ Needle
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Linear gradient ceiling panels are available in sizes up to a maxim
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um of _____ metres in length - correct answer ✔ ✔ 4.88m
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According to the NFPA, water flow alarms and supervisory devic
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es used on standpipe systems should be tested - correct answer ✔
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✔ Quarterly
,The NFPA 13R was developed and is intended for the installation
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of sprinkler systems in - correct answer ✔ ✔
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Residential Occupancies ,.
What type of valve is suitable for all service conditions where lam
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inar flow of the fluid is present? - correct answer ✔ ✔
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Split wedge-Disc valve
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Describe ammonia pipe finish: - correct answer ✔ ✔
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Pipe cleaned and free of any oil, lacquer or varnish.
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What is the most common type of common bonding agent for grin
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ding wheels? - correct answer ✔ ✔ Vitrified.
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What is the maximum recommended operating temperature in de
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grees Celsius for grove jointed PVC pipe? - correct answer ✔
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✔ 38 Degrees C ,. ,.
Which valve has a straight through pattern and offers very little re
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sistance to the flow of fluids? - correct answer ✔ ✔
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Gate Valve ,.
, A characteristic of electrical hot water tanks is the _____time for r
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eplenishing the hot water supply - correct answer ✔ ✔ Slow
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How is a grinding wheel classified? - correct answer ✔ ✔
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By abrasive type, size and bonding material.
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What does a trip hammer do? - correct answer ✔ ✔
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Dish plate Material ,. ,.
What type of flange gaskets are flat metal gaskets with concentric
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groves into the face? - correct answer ✔ ✔ Serrated
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The stadia lines on optical builders levels are used to -
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correct answer ✔ ✔ estimate horizontal distances
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What size of water supply line is required for a bidet, in inches? -
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correct answer ✔ ✔ 3/8''
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What clamp type is known as a toolmakers clamp? -
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correct answer ✔ ✔ The parallel clamp.
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