Period 2-3: Boilermaker Power Tools
Exam Questions & Answers (Grade A+)
When using air impacts and ratchets, a variation in excess of plus or
minus ______ is serious -
correct answer ✅*5Lbs
Rolling the boiler tubes is referred to as a _______ process -
correct answer ✅*cold-working
The tube knock-out or tube drift is used with a ______ to remove
collapsed tube stubs -
correct answer ✅*air chipping gun
The three jaw, geared chuck, also known as the ______ chuck, is
the most popular and is considered to be be the best -
correct answer ✅*Jacobs
A double insulated tool has an extra layer of electrical insulation
that eliminates the need for _______ -
correct answer ✅*a three-prong plug and grounded outlet
When removing tubes from a tube sheet _________ tools are
driven under the edge of the stub to crimp the tube and weaken
, Period 2-3: Boilermaker Power Tools
Exam Questions & Answers (Grade A+)
the joint -
correct answer ✅*collapsing and splitting
Needle scalers are used to remove all except _______ -
correct answer ✅*defective welds
The pneumatic chipping hammer consists basically of _______ -
correct answer ✅*a steel piston which is reciprocated in a steel
barrel by compressed air
Under certain circumstances, tube sheet hole may have to be
closed off rather than retubed, ________ are inserted into the hole
and expanded -
correct answer ✅*blind tube nipples
Air impact wrenches come in different sizes and are classified by
______ -
correct answer ✅*The size of the square anvil on the drive end
A 1/2" portable electric drill is limited to a free-running speed of
approximately _____ RPM's -
correct answer ✅*700
Exam Questions & Answers (Grade A+)
When using air impacts and ratchets, a variation in excess of plus or
minus ______ is serious -
correct answer ✅*5Lbs
Rolling the boiler tubes is referred to as a _______ process -
correct answer ✅*cold-working
The tube knock-out or tube drift is used with a ______ to remove
collapsed tube stubs -
correct answer ✅*air chipping gun
The three jaw, geared chuck, also known as the ______ chuck, is
the most popular and is considered to be be the best -
correct answer ✅*Jacobs
A double insulated tool has an extra layer of electrical insulation
that eliminates the need for _______ -
correct answer ✅*a three-prong plug and grounded outlet
When removing tubes from a tube sheet _________ tools are
driven under the edge of the stub to crimp the tube and weaken
, Period 2-3: Boilermaker Power Tools
Exam Questions & Answers (Grade A+)
the joint -
correct answer ✅*collapsing and splitting
Needle scalers are used to remove all except _______ -
correct answer ✅*defective welds
The pneumatic chipping hammer consists basically of _______ -
correct answer ✅*a steel piston which is reciprocated in a steel
barrel by compressed air
Under certain circumstances, tube sheet hole may have to be
closed off rather than retubed, ________ are inserted into the hole
and expanded -
correct answer ✅*blind tube nipples
Air impact wrenches come in different sizes and are classified by
______ -
correct answer ✅*The size of the square anvil on the drive end
A 1/2" portable electric drill is limited to a free-running speed of
approximately _____ RPM's -
correct answer ✅*700
