click below
click below
Normal Size Small Size show me how
3E351B2
CDC II
Question | Answer |
---|---|
(201) In platform frame construction, what floor frame member do you install first? | Sill plate. |
(201) If not specified in the blueprints, you would install anchor bolts not exceeding how many feet | Six feet. |
(201) Which floor joists are used when a floor or balcony extends past the buildings outside wall? | Cantilevered. |
(201) What determines the size of wooden floor joists? | Span and amount of load to be carried. |
(201) Which type of bridging usually consists of 1 × 3 inch or 2 × 3 inch wood? | Cross. |
(201) A floor joists crown is installed turned | up. |
(202) What precautions are necessary for removing a load-bearing wall? | Support the load it is carrying before removing the wall. |
(202) Load bearing partitions (interior walls) run what direction to the floor joists? | Perpendicular. |
(202) How many people are recommended to raise a 30 foot wall? | Three. |
(202) Where maximum shear strength is required, most experts still recommend which type panel? | Plywood. |
(202) How are metal framing members thinner than 18 gauge assembled? | Self-drilling, self-tapping screws. |
(203) What determines the size of a ceiling joist? | Weight it carries and span from wall to wall. |
(204) The preferred construction method to make stairway turns is to use | landings, because they are safer. |
(204) What is the minimum width of a staircase? | Three feet. |
(204) The recommended sum of one riser and one tread is | 17 to 18 inches. |
(204) If the lower and upper floors will have the same finished flooring material, then the measured distance between the subfloors will be | the same as the distance between the finished floors. |
(204) How do you drop the stringer to make the bottom riser the same height as the other risers and the top tread flush with the upper finished floor? | Subtract one tread thickness from the stringer’s bottom end. |
(204) How do you check stair stringers to make sure they are plumb? | Hold a level vertically against the riser cut. |
(205) When inspecting metal-framed walls, make sure the knockouts are aligned properly for | easier runs for the electrical and mechanical lines. |
(205) To prevent oxidation when you cut or scratch metal frame wall members you should | paint them with a galvanized paint or a primer. |
(205) When inspecting wood framed walls where long bolts hold numerous plies of lumber together, you should recheck the tightness of the nuts because | shrinkage of the lumber may have caused them to loosen. |
(206) In roof construction, the term total run refers to the | horizontal measurement that is equal to half of the span. |
(206) What term identifies the vertical distance from the top plate to the top of the ridge? | Total rise. |
(206) Which rafter extends at a right angle from the plate line to the ridgeboard? | Common |
(206) Which rafter extends diagonally from the plate to the ridge board at the line of intersection of two roof surfaces? | Valley. |
(206) When you are computing rafter length, you must deduct how much of the ridge board thickness from each rafter? | One-half. |
(206) To figure common rafter length with the framing square step-off method, how is the framing square used to represent the unit of rise and the unit of run? | The tongue (unit of rise in feet) and the blade (unit of run at 12 inches). |
(207) The standard unit of run for a hip rafter is | 17 inches. |
(207) What is the maximum depth of the bird’s mouth? | Not more than half of the rafter’s depth. |
(204) If the lower and upper floors will have the same finished flooring material, then the measured distance between the subfloors will be | the same as the distance between the finished floors. |
(208) You can make truss installation easier by placing the first truss | as near the desired location as possible. |
(208) At what three different places on the trusses do you install temporary bracing? | Top chord, bottom chord and vertical web plane at right angles to the truss. |
(209) Installed bolts that are too short to the point where the bolt head and the washers recess into | a reduced load carrying capacity. |
(209) What should you do when a truss inspection shows that an installed bolt is too long? | Install additional washers to take up the space. |
(209) The recommended repair method for wood trusses that are less than two inches thick is | to use a steel plate on each side fastened with bolts. |
(210) Which door is usually built from sheathing boards? | Batten. |
(210) Which door is economical, lightweight, and can be made to resemble more massive and expensive doors? | Flush. |
(210) Which door has a solid or hollow core? | Flush. |
(210) Where do you start to level an exterior doorframe? | At the sill. |
(210) Where do you place additional wedges in a jamb that is subject to bowing or needs to be plumbed? | Behind the hinges, and latch location. |
(211) What three different ways can you purchase doorframes? | Knocked down (KD), preassembled with just exterior casing, and preassembled with door hung. |
(211) What three devices do you use to plumb a doorframe? | Level, square, and spreader. |
(212) Where do you start to level an interior doorframe? | At the head jamb. |
(212) You install the door lock on the stile with the | straightest grain. |
(212) What are the recommended space allowances between an interior door and doorframe? | Hinge stile, one-sixteenth inch; top rail, one-eighth inch; lock stile, one-eighth inch; bottom rail, one-half inch. |
(213) What are the four types of locks you will install and maintain most often? | Cylinder, mortise, cipher, and panic hardware. |
(213) Which lock is installed in a pocket or mortised hole? | Mortise. |
(213) What type closer do you install on lightweight doors such as storm and screen doors? | Pneumatic. |
(213) What three operating adjustments can you make on a hydraulic door closer? | Closing, latching, and backcheck. |
(214) Which window opens outward and is hinged at the top of the frame? | Awning. |
(214) When installing a window what type and size of paper do you place around the rough wall opening to act as a vapor barrier? | (15-pound asphalt) 10 to 12 inches wide |
(215) How can you eliminate the bulging on a two-hinge door? | Place another hinge midway between the first two. |
(215) How can you make a permanent repair to a sagging door? | Install a batten strip diagonally on the door face. |
(215) Where do splits in a doorjamb often occur? | At the hinges, around locks, and latches. |
(215) What condition indicates that a door is hinge-bound? | Hard to close and may spring open when closed. |
(216) When you are repairing a sticking double-hung window with an aluminum jamb liner, you should never | drive nails or screws through the liner. |
(216) How many times should a line be scored with a glasscutter on a piece of glass? | One time. |
(216) To reduce chipping, you set the saw blade height how far above the acrylic sheet thickness? | Approximately one-eighth inch. |
(217) Three basic types of insulation are | flexible, loose fill, and rigid. |
(217) Flexible insulation is available in | blanket rolls or batts. |
(217) What insulation type usually has one side that has a paper cover with staple tabs attached along the entire length? | Flexible. |
(217) What insulation type is popular for insulating concrete slabs and other masonry products? | Rigid. |
(218) What caulk type is water based and can be painted when dry? | Latex. |
(218) What caulk type is the most durable and waterproof and is used to fill exterior surface cracks, splits, holes, or other damage to provide a weatherproof seal? | Silicone. |
(218) Which weather strip item do you use to reduce heat loss and drafts by covering the airspace between the door bottom and the threshold? | Door sweep. |