BOILERMAKER 4 | BOILERMAKER EXAM 4 TEST WITH UPDATED
QUESTIONS & ANSWERS| 2024-2025
The space between a thread of a bolt and its nut is called _______. - (answers)Clearance
The amount of difference allowed from a standard is called _________. - (answers)Tolerance
The normal method for measuring torque is _______. - (answers)Foot-pounds (ft. lbs.)
The method of measuring the amount of torque that is applied to small bolts, nuts, and screws
is _______ - (answers)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. - (answers)Keyway
An approximation of the diameter of a screw is known as the screw's_______ -
(answers)Nominal size
The tolerance that the threads provide between a bolt and nut determines the__________. -
(answers)Thread classes
Fasteners with ____________ thread are used when rapid assembly or disassembly of parts is
required. - (answers)United National Coarse (UNC) thread
The__________ thread is used on thin-walled tubes, nuts, ferrules, and couplings. -
(answers)United National Extra Fine (UNEF) thread
The __________ thread is used in fasteners when a tighter fit is desired. - (answers)United
National Fine (UNF) thread
The___________ consists of standard symbols that are used to identify thread - (answers)Thread
identification
, A(n)__________ fits into a keyway and prevents parts such as gears or pulleys from rotating
on a shaft. - (answers)Key
______ are established standards for machining threads. - (answers)Thread standards
The ___________ publishes specifications and standards relating to fasteners. - (answers)Society
of Automotive Engineers (SAE)
One of the most important pretest requirements
is _________. - (answers)defining the test boundaries
Pressure gauges should be connected directly
to what part of the system being tested? - (answers)high point
Pressure gauges used for boilers system testing must be calibrated once every _____. -
(answers)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 _______ . -
(answers)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? - (answers)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? - (answers)50 vertical feets
when performing a hydrostatic test on a piping system, if there is no specified test procedure, the
pressure used for the test must be at least how many times the maximum design pressure? -
(answers)1.50
QUESTIONS & ANSWERS| 2024-2025
The space between a thread of a bolt and its nut is called _______. - (answers)Clearance
The amount of difference allowed from a standard is called _________. - (answers)Tolerance
The normal method for measuring torque is _______. - (answers)Foot-pounds (ft. lbs.)
The method of measuring the amount of torque that is applied to small bolts, nuts, and screws
is _______ - (answers)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. - (answers)Keyway
An approximation of the diameter of a screw is known as the screw's_______ -
(answers)Nominal size
The tolerance that the threads provide between a bolt and nut determines the__________. -
(answers)Thread classes
Fasteners with ____________ thread are used when rapid assembly or disassembly of parts is
required. - (answers)United National Coarse (UNC) thread
The__________ thread is used on thin-walled tubes, nuts, ferrules, and couplings. -
(answers)United National Extra Fine (UNEF) thread
The __________ thread is used in fasteners when a tighter fit is desired. - (answers)United
National Fine (UNF) thread
The___________ consists of standard symbols that are used to identify thread - (answers)Thread
identification
, A(n)__________ fits into a keyway and prevents parts such as gears or pulleys from rotating
on a shaft. - (answers)Key
______ are established standards for machining threads. - (answers)Thread standards
The ___________ publishes specifications and standards relating to fasteners. - (answers)Society
of Automotive Engineers (SAE)
One of the most important pretest requirements
is _________. - (answers)defining the test boundaries
Pressure gauges should be connected directly
to what part of the system being tested? - (answers)high point
Pressure gauges used for boilers system testing must be calibrated once every _____. -
(answers)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 _______ . -
(answers)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? - (answers)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? - (answers)50 vertical feets
when performing a hydrostatic test on a piping system, if there is no specified test procedure, the
pressure used for the test must be at least how many times the maximum design pressure? -
(answers)1.50
