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Trade4
Trade 4
| Question | Answer |
|---|---|
| Where can you obtain energy conservation information regarding your own House? | State Energy Commission |
| Which of these has the highest R value per inch? | Polyurethane |
| What is the greatest limitation of polystyrene insulation? | It is inflexible |
| What is the greatest limitation of blown in urea formaldehyde insulation? | Noxious odor |
| When foil backed gypsum panels are installed as exterior sheathing the foil side should be facing. | Foil backed gypsum wallboard panels are not used for exterior sheathing. |
| What general rule should be followed for nailing a drywall shear wall in a single mailing system without specification? | 8 inches edge nailing and 12 inches field nailing |
| How many nails should be used to install a metal edge bead in a drywall job? | Every 6 inches on both sides. |
| If you want to cut drywall in a straight line the first step is to. | score the facing paper. straight line cuts are made by scoring the facing paper snapping the board core and then cutting the back paper. |
| The four most common building materials are wood plywood plaster and gypsum board | gypsum board |
| What must you install before you stucco? | Drywall to prevent knocking wet or uncured stucco off the wall while nailing up drywall. |
| Which of the following materials has been in human use for the longest time? | Plaster |
| What is installed on an exterior wall prior to lath and plaster? | tar paper |
| What is the usual wait between scratch and brown coats of plaster? | four to five hours. The brown coat is applied as soon as soon as the scratch coat has set enough to carry the weight of both coats. in open frame wood construction the scratch coat must set forty eight hours |
| What should y use to make a smooth textured wall? | finishing tool |
| Given that a slopped roof has an area of 1160 square feet how many rolls of number 15 felt are needed to cover the roof with one layer? | three formula 1160 divided by 100 equal 11 point six then you divided it by four equal 2.9 round it to three |
| What is the purpose of a roof vent? | to protect of a roof vent? |
| Which of the following do you use to attach asphalt composition shingles? | Wide crown staples |
| According to the ubc what is the recommended minimum slope for a roof covered with a standard shake? | 4 - 12 if the rise is 4 the run can not be greater than 12 or 4 - twelve |
| approximately how many inches of an asphalt shingle should be expose? | five feet and one half |
| what is the weather exposure for 3 ply number 15 roofing? | eleven and one third inches. formula a full roll is 36 inches wide but allow 2 inches for the overlap at the seems. Divide the remaining 34 inches by the number of plies so 34 divided by 3 equals 11 and one third |
| on a 4 ply roof how many inches should be exposed to the weather? | 8-9 a full row is 36 inches wide but allow 2 inches for the overlap at the seams so 34 divided by 4 plies equal 8.5 |
| which of the following describe parquet flooring? | tile flooring. small rectangular pieces. can be arranged in various patterns all of the above. |
| What size nail would you use if you are installing a hardwood flooring over a concrete slab using a 3 quarter thick under lament? | 7 d nail or 8 d nail |
| Manufactures recommend that wood flooring be delivered and stored in the structure 4 to five days before installation | 4 to 5 days |
| which of the following must be done to finish the ceilings in a commercial kitchen and bathroom? | water proof |
| How long of a break can you take when using cement based grout on ceramic tile? | 15 minutes |
| How long should you wait before sealing new ceramic tile work? | 2 weeks |
| How much flexibility is allowed per 1 inch of horizontal tolerance in the positioning of horizontal re-bar? | half inch |
| what is the maximum amount of lead allowable for solder used on piping for potable water system. | 0. 20% |