BOILERMAKER 4 || WITH 100% VERIFIED
SOLUTIONS.
The space between a thread of a bolt and its nut is called _______. correct answers Clearance
The amount of difference allowed from a standard is called _________. correct answers
Tolerance
The normal method for measuring torque is _______. correct answers Foot-pounds (ft. lbs.)
The method of measuring the amount of torque that is applied to small bolts, nuts, and screws
is _______ correct 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. correct answers Keyway
An approximation of the diameter of a screw is known as the screw's_______ correct answers
Nominal size
The tolerance that the threads provide between a bolt and nut determines the__________. correct
answers Thread classes
Fasteners with ____________ thread are used when rapid assembly or disassembly of parts is
required. correct answers United National Coarse (UNC) thread
The__________ thread is used on thin-walled tubes, nuts, ferrules, and couplings. correct
answers United National Extra Fine (UNEF) thread
The __________ thread is used in fasteners when a tighter fit is desired. correct answers United
National Fine (UNF) thread
The___________ consists of standard symbols that are used to identify thread correct answers
Thread identification
A(n)__________ fits into a keyway and prevents parts such as gears or pulleys from rotating
on a shaft. correct answers Key
______ are established standards for machining threads. correct answers Thread standards
The ___________ publishes specifications and standards relating to fasteners. correct answers
Society of Automotive Engineers (SAE)
One of the most important pretest requirements
is _________. correct answers defining the test boundaries
, Pressure gauges should be connected directly
to what part of the system being tested? correct answers high point
Pressure gauges used for boilers system testing must be calibrated once every _____. correct
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 _______ . correct
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? correct 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? correct 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? correct
answers 1.50
When filling a system for a hydrostatic test it is best to fill the system at the ___ _ correct
answers lowest point
When doing a hydrostatic test on a piping system, the relief valve pressure is set at what
percentage above the normal operating pressure, unless otherwise specified? correct answers 50
percent
Why would a blind flange installed for a hydrostatic test be equipped with a bleeder valve correct
answers To be used as a vent
Slip blinds used in a hydrostatic test must meet or exceed the engineering specifications for all
flanges in the system. correct answers True
After reaching 50 percent of the desired test pressure during a hydrostatic test, increase the test
pressure in increments of__ correct answers 10 percent
When a pneumatic test is being run on a piping system, what device should be installed in the
system to prevent over pressurizing the system? correct answers Temporary relief valves
Many piping specifications require that what device be used to detect the presence of foreign
material in a pipeline? correct answers Steam targets
When preparing to do a steam blow test, what action is taken to preheat the steam line? correct
answers The bypass valve is cracked.
SOLUTIONS.
The space between a thread of a bolt and its nut is called _______. correct answers Clearance
The amount of difference allowed from a standard is called _________. correct answers
Tolerance
The normal method for measuring torque is _______. correct answers Foot-pounds (ft. lbs.)
The method of measuring the amount of torque that is applied to small bolts, nuts, and screws
is _______ correct 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. correct answers Keyway
An approximation of the diameter of a screw is known as the screw's_______ correct answers
Nominal size
The tolerance that the threads provide between a bolt and nut determines the__________. correct
answers Thread classes
Fasteners with ____________ thread are used when rapid assembly or disassembly of parts is
required. correct answers United National Coarse (UNC) thread
The__________ thread is used on thin-walled tubes, nuts, ferrules, and couplings. correct
answers United National Extra Fine (UNEF) thread
The __________ thread is used in fasteners when a tighter fit is desired. correct answers United
National Fine (UNF) thread
The___________ consists of standard symbols that are used to identify thread correct answers
Thread identification
A(n)__________ fits into a keyway and prevents parts such as gears or pulleys from rotating
on a shaft. correct answers Key
______ are established standards for machining threads. correct answers Thread standards
The ___________ publishes specifications and standards relating to fasteners. correct answers
Society of Automotive Engineers (SAE)
One of the most important pretest requirements
is _________. correct answers defining the test boundaries
, Pressure gauges should be connected directly
to what part of the system being tested? correct answers high point
Pressure gauges used for boilers system testing must be calibrated once every _____. correct
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 _______ . correct
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? correct 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? correct 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? correct
answers 1.50
When filling a system for a hydrostatic test it is best to fill the system at the ___ _ correct
answers lowest point
When doing a hydrostatic test on a piping system, the relief valve pressure is set at what
percentage above the normal operating pressure, unless otherwise specified? correct answers 50
percent
Why would a blind flange installed for a hydrostatic test be equipped with a bleeder valve correct
answers To be used as a vent
Slip blinds used in a hydrostatic test must meet or exceed the engineering specifications for all
flanges in the system. correct answers True
After reaching 50 percent of the desired test pressure during a hydrostatic test, increase the test
pressure in increments of__ correct answers 10 percent
When a pneumatic test is being run on a piping system, what device should be installed in the
system to prevent over pressurizing the system? correct answers Temporary relief valves
Many piping specifications require that what device be used to detect the presence of foreign
material in a pipeline? correct answers Steam targets
When preparing to do a steam blow test, what action is taken to preheat the steam line? correct
answers The bypass valve is cracked.
