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BOILER MAKER Questions with Explanations of Answers | latest upate 2024
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BOILER MAKER Questions with Explanations of Answers | latest upate 2024
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BOILER MAKERwhen 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
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