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Unit 6 Fasteners

front 1 Which of the following is not a type of nail used in HVAC Common Carpentry Roofing Finishing	back 1 Carpentry is not a type of nail used in HVAC
front 2 What term is used to indicate nail size? And the abbreviation Hint: coin	back 2 Penny D. for Denarius
front 3 What tool is used to spread the ends of a staple?	back 3 Outward clinch tacker
front 4 What are hollow rivets assembled in?	back 4 A pin called a mandrel

front 5 What fastener is used to attach two pieces of sheet metal together?	back 5 Pin rivets
front 6 A tapping screw that is identified as an 8-20 x 1 Type AB, slotted hex is how long?	back 6 1 in
front 7 6-20 × 1/2 Type AB, Slotted hex has a screw number of what?	back 7 6
front 8 A machine screw that is identified as a 1/4–18 UNC-2 is how long? What does 18 represent?	back 8 Cannot be determined from this information Number of threads per inch

front 9 Toggle bolts are best suited for securing objects to __________.	back 9 Hollow walls
front 10 When using a toggle bolt, it is important to make certain that _________.	back 10 The object being secured is placed on the bolt before threading the toggle onto it.
front 11 Powder-actuated fastener systems are most commonly used to secure objects to	back 11 Concrete slabs and walls
front 12 You must be properly trained and licensed to use which of the following: solderless wiring connectors. threaded rod support systems. pin rivets. powder-actuated fasteners.	back 12 Powder-actuated fasteners

front 13 What is a lag shield anchor?	back 13 A two-part shield with tapered internal threads
front 14 Threaded rod can be attached to steel I-beams with _________.	back 14 Beam clamps
front 15 The pipe-hanging device that is hammered or driven into a wood support is the _______.	back 15 Pipe hook
front 16 What is perforated strapping material is used with?	back 16 With nuts and bolts to secure the piping material

front 17 How are retaining rings typically classified?	back 17 Internal or External **Retaining rings, also referred to as snap-rings, are fasteners that hold a component either onto a shaft or inside some type of housing
front 18 The ring tongue, hook tongue, and snap terminal are all examples of ____?	back 18 Crimped-on solderless terminals
front 19 Which of the following is true regarding the use of screw terminals? Either solid or stranded wire can be secured under screw terminals. Only stranded wire should be secured under screw terminals. Only solid wire should be secured under screw terminals. Neither solid nor stranded wire should be secured under screw terminals.	back 19 Only solid wire should be secured under screw terminals.
front 20 Which of the following is true regarding cotter pins? They are secured in internal grooves in a shaft or channel. They are inserted into a shaft hole and do not need to be bent. They are inserted into a shaft hole and bent around to secure. They are secured in external grooves in a shaft.	back 20 They are secured in external grooves in a shaft. **answer on cengage Cotter pins are usually inserted into a shaft hole and bent, though some varieties don't have to be bent.