Period 2-3: Boilermaker Power Tools
*5Lbs - When using air impacts and ratchets, a variation in excess of plus or minus
______ is serious
*cold-working - Rolling the boiler tubes is referred to as a _______ process
*air chipping gun - The tube knock-out or tube drift is used with a ______ to remove
collapsed tube stubs
*Jacobs - The three jaw, geared chuck, also known as the ______ chuck, is the most
popular and is considered to be be the best
*a three-prong plug and grounded outlet - A double insulated tool has an extra layer of
electrical insulation that eliminates the need for _______
*collapsing and splitting - When removing tubes from a tube sheet _________ tools are
driven under the edge of the stub to crimp the tube and weaken the joint
*defective welds - Needle scalers are used to remove all except _______
*a steel piston which is reciprocated in a steel barrel by compressed air - The pneumatic
chipping hammer consists basically of _______
*blind tube nipples - Under certain circumstances, tube sheet hole may have to be
closed off rather than retubed, ________ are inserted into the hole and expanded
*The size of the square anvil on the drive end - Air impact wrenches come in different
sizes and are classified by ______
*700 - A 1/2" portable electric drill is limited to a free-running speed of approximately
_____ RPM's
*dull black-oxide - Sockets and adapters used with impact wrenches will have a ______
finish
*1/4" - Portable nibblers or power metal sheers will cut metal up to ___ thick
*decimals - The smallest twist drill sizes are measured by ____
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ACTUALSTUDY. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for £6.46. You're not tied to anything after your purchase.