1. Joist hangers are used for which of the following? a. Supporting joists against beams b. Keeping joists straight during delivery c. Inspection d. There is no such thing as a joist hanger. The main purpose of a joist hanger is to hold a joist 90 degrees to any type of beam as per the building code. All hangers are to be nailed with specific hanger nails in all available holes. 2. The smallest mark on an imperioal ruler is: a. Millimeter b. 1/16 inch c. 1/4 inch d. 1/2 inch An imperial ruler is divided into 16ths per inch and bolder lines for balance of fractions up to an inch. 3 . What type of hammer is commonly selected for trim work? a. Framin g hatchet b. 28- ounce long handle waffle head c. 20- ounce long handle straight claw Study Online Instantly Click to Save 50% Now d. 16- ounce wood handle curved claw A 16 ounce curved claw hammer is a basic all-purpose hammer used in carpentry. The others listed are for specific applications. 4 . What are plywood clips used for? a. Straighte ning floor sheathing b. Keeping plywood straight in stacks