Boilermaker 4 Exam Tips | Brand
New Verified Exam Questions with
Clear Correct Answers| All Graded
A+|Latest Premium Update(2025-
2026)| 100% Guaranteed Success.
The space between a thread of a bolt and its nut is called _______. -
Answer✅✅Clearance
The amount of difference allowed from a standard is called _________. -
Answer✅✅Tolerance
The normal method for measuring torque is _______. - Answer✅✅Foot-pounds (ft.
lbs.)
The method of measuring the amount of torque that is applied to small bolts, nuts,
and screws
is _______ - Answer✅✅Inch-pounds (in lbs.)
A(n) _______is a machined metal slot in a shaft and on parts such as gears and
pulleys that accept a key. - Answer✅✅Keyway
, An approximation of the diameter of a screw is known as the screw's_______ -
Answer✅✅Nominal size
The tolerance that the threads provide between a bolt and nut determines
the__________. - Answer✅✅Thread classes
Fasteners with ____________ thread are used when rapid assembly or disassembly
of parts is required. - Answer✅✅United National Coarse (UNC) thread
The__________ thread is used on thin-walled tubes, nuts, ferrules, and couplings. -
Answer✅✅United National Extra Fine (UNEF) thread
The __________ thread is used in fasteners when a tighter fit is desired. -
Answer✅✅United National Fine (UNF) thread
The___________ consists of standard symbols that are used to identify thread -
Answer✅✅Thread identification
A(n)__________ fits into a keyway and prevents parts such as gears or pulleys from
rotating
on a shaft. - Answer✅✅Key
______ are established standards for machining threads. - Answer✅✅Thread
standards
The ___________ publishes specifications and standards relating to fasteners. -
Answer✅✅Society of Automotive Engineers (SAE)
One of the most important pretest requirements
is _________. - Answer✅✅defining the test boundaries
Pressure gauges should be connected directly
to what part of the system being tested? - Answer✅✅high point
Pressure gauges used for boilers system testing must be calibrated once every
_____. - Answer✅✅6 months
When chemically cleaning a system , the cleaning solution is drained , a mild acid
solution is circulated through the system , and lab samples of the solution are taken
every _______ . - Answer✅✅15 minutes
When doing a head pressure test on a system , approximately how many feet of
stand pipe are needed above the highest point in the system? - Answer✅✅10
When doing a head pressure test on a drain pipe in a high -rise build in g , only test
how many feet at a time to prevent over pressurizing the lower pipe? -
Answer✅✅50 vertical feets
New Verified Exam Questions with
Clear Correct Answers| All Graded
A+|Latest Premium Update(2025-
2026)| 100% Guaranteed Success.
The space between a thread of a bolt and its nut is called _______. -
Answer✅✅Clearance
The amount of difference allowed from a standard is called _________. -
Answer✅✅Tolerance
The normal method for measuring torque is _______. - Answer✅✅Foot-pounds (ft.
lbs.)
The method of measuring the amount of torque that is applied to small bolts, nuts,
and screws
is _______ - Answer✅✅Inch-pounds (in lbs.)
A(n) _______is a machined metal slot in a shaft and on parts such as gears and
pulleys that accept a key. - Answer✅✅Keyway
, An approximation of the diameter of a screw is known as the screw's_______ -
Answer✅✅Nominal size
The tolerance that the threads provide between a bolt and nut determines
the__________. - Answer✅✅Thread classes
Fasteners with ____________ thread are used when rapid assembly or disassembly
of parts is required. - Answer✅✅United National Coarse (UNC) thread
The__________ thread is used on thin-walled tubes, nuts, ferrules, and couplings. -
Answer✅✅United National Extra Fine (UNEF) thread
The __________ thread is used in fasteners when a tighter fit is desired. -
Answer✅✅United National Fine (UNF) thread
The___________ consists of standard symbols that are used to identify thread -
Answer✅✅Thread identification
A(n)__________ fits into a keyway and prevents parts such as gears or pulleys from
rotating
on a shaft. - Answer✅✅Key
______ are established standards for machining threads. - Answer✅✅Thread
standards
The ___________ publishes specifications and standards relating to fasteners. -
Answer✅✅Society of Automotive Engineers (SAE)
One of the most important pretest requirements
is _________. - Answer✅✅defining the test boundaries
Pressure gauges should be connected directly
to what part of the system being tested? - Answer✅✅high point
Pressure gauges used for boilers system testing must be calibrated once every
_____. - Answer✅✅6 months
When chemically cleaning a system , the cleaning solution is drained , a mild acid
solution is circulated through the system , and lab samples of the solution are taken
every _______ . - Answer✅✅15 minutes
When doing a head pressure test on a system , approximately how many feet of
stand pipe are needed above the highest point in the system? - Answer✅✅10
When doing a head pressure test on a drain pipe in a high -rise build in g , only test
how many feet at a time to prevent over pressurizing the lower pipe? -
Answer✅✅50 vertical feets
