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Period 2-3 Boilermaker Power Tools Questions with Explanations of Answers | latest upate 2024
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Period 2-3 Boilermaker Power Tools Questions with Explanations of Answers | latest upate 2024
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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 ____
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