Exam (elaborations)
BOILER MAKER – QUESTIONS WITH SOLUTIONS
BOILER MAKER – QUESTIONS WITH SOLUTIONS
[Show more]
Content preview
BOILER MAKER – QUESTIONS WITH SOLUTIONSWhen are steel chain slings recommended ? ✔️Ans - in high heat
conditions
A big control valve is pulled, who's responsible for the rigging ? ✔️Ans -
the rigger and the crane operator
What should be used to hold the pipe when setting up two 40 foot joints of 16
inch std wt pipe? ✔️Ans - 4 legged roller top jacks
The hitch made by wrapping the sling around the load, then passing the sling
through a shackle is called? ✔️Ans - chocker hitch
When should rigging material be attached to a beam that is being demolished?
✔️Ans - before any bolts are removed or any cutting is done on the beam
Which of the following has a greater possibility of being a respiratory hazard?
✔️Ans - asbestos
Which type of isolation is required before a vessel is entered? ✔️Ans -
lockout, ragout, and blinding the lines that feed the vessel
According to OSHA oxygen and acetylene cylinders in storage must be
separated at a minimum distance of ? ✔️Ans - 20ft
What is the first thing that a boiler maker should do before cutting into a tank
or vessel? ✔️Ans - make sure the proper permit has been obtained
What tool is normally used to check the alignment on the horizontal seams the
shell plates? ✔️Ans - water level
What is used to expand tubes inside made and steam drums? ✔️Ans -
rolling motors and expanders
What does grooved nut on a acetylene rig indicate? ✔️Ans - the left tread is
for acetylene use only
,Thermal beveling of pipe in preparation for welding requires the use of an ?
✔️Ans - Oxyfuel torch
a 1-inch plate is to be cut, why should an acetylene generator on a cutting rig
not be adjusted over 15 psi? ✔️Ans - acetylene is unstable above this
pressure
what action should be taken if a boiler tube fails ? ✔️Ans - replace the
failed tube
before a wall burner is pulled for inspection ✔️Ans - the fuel gas valve
must be shut
which of the following is a type of insulation used inside furnaces? ✔️Ans -
fire brick
what does "MTW" mean in reference to boiler tubing ? ✔️Ans - Minimum
wall thickness
on a drawing what is used to record any changes to the drawing? ✔️Ans -
revision block
scales on a drawing are usually written? ✔️Ans - inches and feet
dimensional measurements can be found in all of the following except ?
✔️Ans - mechanical flow diagram
all vessel elevations are taken from the ? ✔️Ans - Top of the steel on the
embedded ring (base plate)
a gate valve is being removed from a product line, all of the following
procedures must be preformed except ? ✔️Ans - valve must be in closed
position
what is a stud wrench most commonly used for? ✔️Ans - aligning flanges
what type of valves are typically used on a sight glass to direct flow? ✔️Ans
- way valves
, hand hole cap and plug material is verified by the ? ✔️Ans - material test
report
what are four major components of a gate valve? ✔️Ans - body, bonnet,
gate, and stream
what is the most commonly used fastener in boiler constructions? ✔️Ans -
threaded
on site, who determines what grade of material to be used for a repair?
✔️Ans - QC
what is the best tool to be used to prepare XXH2-inch tubing for welding ?
✔️Ans - milling motor
all of the following tools are used in preparation of the butt weld of a tube
except? ✔️Ans - chipping gun
what preparations must be made for the spring can hangers of a section of a
pipe before hydro testing can be? ✔️Ans - put the travel stops in the spring
which of the following connecting the units are used on pipe hangers?
✔️Ans - eye bolts, turnbuckles, threaded rods
which of the following materials maybe used to safely secure scaffold boars to
platform? ✔️Ans - 9 inch wire
for high temperature service, one end of the stud should be ? ✔️Ans -
marked b16
how should bolts on a 8-bolt flange be bolted? ✔️Ans - in a cross over
pattern
what is the primary reason for high point vents in hydro testing ? ✔️Ans -
to purge air pockets
what are the most commonly used fasteners ? ✔️Ans - threaded bolts
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller LeCrae. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for CA$21.47. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
82215 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now