FALL 2023- EXAM BANK QUESTIONS
AND ANSWERS 2026
What huge disaster occurred on 1885 that started the process of Regulations and
Standards in the pipe trade industry? - ANSWERSTwenty seven boilers exploded at the
Henry Clay mine leveling an entire town.
How many steps must be followed when putting on a full body harness? - ANSWERS5
Which is the most commonly used shackle in rigging? - ANSWERSAnchor type with
screw pin
What would it mean if a boiler or vessel design was given the CNR number 531.7 based
on CSA standards? - ANSWERSIt means the design was done in New Brunswick.
Wastewater in a normal residential application is composed of approximately
_________ percent solids - ANSWERS0.1
What material is used to fabricate chain slings? - ANSWERSAlloy steel
The polyethylene drop pipe of a submersible pipe should be equipped with a _______
arrestor to stop movement of the pipe during pump starting and stopping -
ANSWERSTorque
What does Bill C-45 provide? - ANSWERSThat infraction could result in criminal
charges.
Which disc globe valve can be used on high pressure and small line size applications? -
ANSWERSNeedle
Linear gradient ceiling panels are available in sizes up to a maximum of _____ metres
in length - ANSWERS4.88m
According to the NFPA, water flow alarms and supervisory devices used on standpipe
systems should be tested - ANSWERSQuarterly
The NFPA 13R was developed and is intended for the installation of sprinkler systems
in - ANSWERSResidential Occupancies
What type of valve is suitable for all service conditions where laminar flow of the fluid is
present? - ANSWERSSplit wedge-Disc valve
, Describe ammonia pipe finish: - ANSWERSPipe cleaned and free of any oil, lacquer or
varnish.
What is the most common type of common bonding agent for grinding wheels? -
ANSWERSVitrified.
What is the maximum recommended operating temperature in degrees Celsius for
grove jointed PVC pipe? - ANSWERS38 Degrees C
Which valve has a straight through pattern and offers very little resistance to the flow of
fluids? - ANSWERSGate Valve
A characteristic of electrical hot water tanks is the _____time for replenishing the hot
water supply - ANSWERSSlow
How is a grinding wheel classified? - ANSWERSBy abrasive type, size and bonding
material.
What does a trip hammer do? - ANSWERSDish plate Material
What type of flange gaskets are flat metal gaskets with concentric groves into the face?
- ANSWERSSerrated
The stadia lines on optical builders levels are used to - ANSWERSestimate horizontal
distances
What size of water supply line is required for a bidet, in inches? - ANSWERS3/8''
What clamp type is known as a toolmakers clamp? - ANSWERSThe parallel clamp.
What type of punch is used for making corresponding marks on two pieces of an
assembly to permit reassembly in the original position? - ANSWERSA centre punch
What is an "undulated set" on a hacksaw blade? - ANSWERSShort sections of the teeth
are bent in opposite directions.
Where are solid ring hangers used to attach pipe? - ANSWERSWhere no adjustment or
gradient is necessary.
What is the longest time period should compressed gaskets be stored? - ANSWERS4
years
What forged steel class fittings are used in conjunction with schedule 160 pipe to allow
for pressures up to 20685 kPa @ 38 C when the system contains cold water? -
ANSWERS3000