BOILER MAKER EXAM QUESTIONS AND
CORRECT ANSWERS
when are steel chain slings recommended ? - Answer-in high heat conditions
a big control valve is pulled, who's responsible for the rigging ? - Answer-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? -
Answer-4 legged roller top jacks
the hitch made by wrapping the sling around the load, then passing the sling through a shackle is called?
- Answer-chocker hitch
when should rigging material be attached to a beam that is being demolished? - Answer-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? - Answer-asbestos
which type of isolation is required before a vessel is entered? - Answer-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 ? - Answer-20ft
what is the first thing that a boiler maker should do before cutting into a tank or vessel? - Answer-make
sure the proper permit has been obtained
what tool is normally used to check the alignment on the horizontal seams the shell plates? - Answer-
water level
what is used to expand tubes inside made and steam drums? - Answer-rolling motors and expanders
what does grooved nut on a acetylene rig indicate? - Answer-the left tread is for acetylene use only
thermal beveling of pipe in preparation for welding requires the use of an ? - Answer-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? - Answer-acetylene is unstable above this pressure
what action should be taken if a boiler tube fails ? - Answer-replace the failed tube
before a wall burner is pulled for inspection - Answer-the fuel gas valve must be shut
which of the following is a type of insulation used inside furnaces? - Answer-fire brick
what does "MTW" mean in reference to boiler tubing ? - Answer-Minimum wall thickness
, on a drawing what is used to record any changes to the drawing? - Answer-revision block
scales on a drawing are usually written? - Answer-inches and feet
dimensional measurements can be found in all of the following except ? - Answer-mechanical flow
diagram
all vessel elevations are taken from the ? - Answer-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 ? - Answer-valve must be in closed position
what is a stud wrench most commonly used for? - Answer-aligning flanges
what type of valves are typically used on a sight glass to direct flow? - Answer-way valves
hand hole cap and plug material is verified by the ? - Answer-material test report
what are four major components of a gate valve? - Answer-body, bonnet, gate, and stream
what is the most commonly used fastener in boiler constructions? - Answer-threaded
on site, who determines what grade of material to be used for a repair? - Answer-QC
what is the best tool to be used to prepare XXH2-inch tubing for welding ? - Answer-milling motor
CORRECT ANSWERS
when are steel chain slings recommended ? - Answer-in high heat conditions
a big control valve is pulled, who's responsible for the rigging ? - Answer-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? -
Answer-4 legged roller top jacks
the hitch made by wrapping the sling around the load, then passing the sling through a shackle is called?
- Answer-chocker hitch
when should rigging material be attached to a beam that is being demolished? - Answer-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? - Answer-asbestos
which type of isolation is required before a vessel is entered? - Answer-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 ? - Answer-20ft
what is the first thing that a boiler maker should do before cutting into a tank or vessel? - Answer-make
sure the proper permit has been obtained
what tool is normally used to check the alignment on the horizontal seams the shell plates? - Answer-
water level
what is used to expand tubes inside made and steam drums? - Answer-rolling motors and expanders
what does grooved nut on a acetylene rig indicate? - Answer-the left tread is for acetylene use only
thermal beveling of pipe in preparation for welding requires the use of an ? - Answer-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? - Answer-acetylene is unstable above this pressure
what action should be taken if a boiler tube fails ? - Answer-replace the failed tube
before a wall burner is pulled for inspection - Answer-the fuel gas valve must be shut
which of the following is a type of insulation used inside furnaces? - Answer-fire brick
what does "MTW" mean in reference to boiler tubing ? - Answer-Minimum wall thickness
, on a drawing what is used to record any changes to the drawing? - Answer-revision block
scales on a drawing are usually written? - Answer-inches and feet
dimensional measurements can be found in all of the following except ? - Answer-mechanical flow
diagram
all vessel elevations are taken from the ? - Answer-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 ? - Answer-valve must be in closed position
what is a stud wrench most commonly used for? - Answer-aligning flanges
what type of valves are typically used on a sight glass to direct flow? - Answer-way valves
hand hole cap and plug material is verified by the ? - Answer-material test report
what are four major components of a gate valve? - Answer-body, bonnet, gate, and stream
what is the most commonly used fastener in boiler constructions? - Answer-threaded
on site, who determines what grade of material to be used for a repair? - Answer-QC
what is the best tool to be used to prepare XXH2-inch tubing for welding ? - Answer-milling motor
