NCCER BOILERMAKER
MAINTENANCE TEST FINAL EXAM
CURRENTLY TESTING COMPLETE
EXAM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
When plugging a straight tube exchanger in the shell
all of the following heads need to be removed except
- ....ANSWER...Tub head
Under which circumstances are the shell and tube
side pressurized at the same time -
....ANSWER...When performing a differential hydro
test
Where can an exchangers operating pressure be
found - ....ANSWER...On the name plate
,When blinding a tower it is common practice to
install blinds - ....ANSWER...As close as possible to
the tower
The correct tool to remove a broken pipe nipple is -
....ANSWER...Easy out
head pressure testing is used on what type of
system - ....ANSWER...gravity flow
3 basic type of hitches - ....ANSWER...Basket, choker,
vertical
In an oxyfuel cutting torch system what color code
are the flashback arrestors - ....ANSWER...Red &
Green
Valves controlled by electric, pneumatic, or hydraulic
actuators are called - ....ANSWER...Control valves
What is the 1st step that should be done with the
paint on the surface of a vessel -
....ANSWER...Sample it
,prior to use a spreader must be inspected for -
....ANSWER...Gouges
cladding is used for corrosion protection over -
....ANSWER...carbon steel
The hitch made by wrapping the sling around the
load, then passing one eye of the sling -
....ANSWER...Choker hitch
What are the components on a gate valve -
....ANSWER...Body, Bonnet, gate, stem
Most common used fasteners - ....ANSWER...Anchor
bolts
Why must spring can be adjusted after it is out into
service - ....ANSWER...Line becomes heavier after
put into service
Bolts used in concrete - ....ANSWER...Expansion
anchor bolts
, Variable pipe support a boilermaker must verify -
....ANSWER...Proposed length of travel has no
obstructions
Needs only one end open for the -
....ANSWER...Hairpin
What type of tank has legs on the roof -
....ANSWER...Floating roof
Why is envelope gasket used in h8 acid piping -
....ANSWER...Because of its high resistance to acid
What Prevents tubes from sagging -
....ANSWER...Baffles
Which gas passes through the center of a cutting
torch tip - ....ANSWER...Oxygen
What is the major component of a tower -
....ANSWER...Down comer
MAINTENANCE TEST FINAL EXAM
CURRENTLY TESTING COMPLETE
EXAM QUESTIONS WITH DETAILED
VERIFIED ANSWERS (100% CORRECT
ANSWERS) /ALREADY GRADED A+
When plugging a straight tube exchanger in the shell
all of the following heads need to be removed except
- ....ANSWER...Tub head
Under which circumstances are the shell and tube
side pressurized at the same time -
....ANSWER...When performing a differential hydro
test
Where can an exchangers operating pressure be
found - ....ANSWER...On the name plate
,When blinding a tower it is common practice to
install blinds - ....ANSWER...As close as possible to
the tower
The correct tool to remove a broken pipe nipple is -
....ANSWER...Easy out
head pressure testing is used on what type of
system - ....ANSWER...gravity flow
3 basic type of hitches - ....ANSWER...Basket, choker,
vertical
In an oxyfuel cutting torch system what color code
are the flashback arrestors - ....ANSWER...Red &
Green
Valves controlled by electric, pneumatic, or hydraulic
actuators are called - ....ANSWER...Control valves
What is the 1st step that should be done with the
paint on the surface of a vessel -
....ANSWER...Sample it
,prior to use a spreader must be inspected for -
....ANSWER...Gouges
cladding is used for corrosion protection over -
....ANSWER...carbon steel
The hitch made by wrapping the sling around the
load, then passing one eye of the sling -
....ANSWER...Choker hitch
What are the components on a gate valve -
....ANSWER...Body, Bonnet, gate, stem
Most common used fasteners - ....ANSWER...Anchor
bolts
Why must spring can be adjusted after it is out into
service - ....ANSWER...Line becomes heavier after
put into service
Bolts used in concrete - ....ANSWER...Expansion
anchor bolts
, Variable pipe support a boilermaker must verify -
....ANSWER...Proposed length of travel has no
obstructions
Needs only one end open for the -
....ANSWER...Hairpin
What type of tank has legs on the roof -
....ANSWER...Floating roof
Why is envelope gasket used in h8 acid piping -
....ANSWER...Because of its high resistance to acid
What Prevents tubes from sagging -
....ANSWER...Baffles
Which gas passes through the center of a cutting
torch tip - ....ANSWER...Oxygen
What is the major component of a tower -
....ANSWER...Down comer
