Question 20 What should be done before beams are hung? The columns should be set in place 1. 2. 3. 4. The joists should be installed The girders should be loosely installed The structure should be aligned Time Remaining 02:58:28 Question Answered 0 Question Time Remaining 02:58:31 19 The tolerance between the largest and smallest riser height in a flight of stairs shall NOT exceed: 1. 2. 3. 4. 1/3 inch. 3/8 inch. 5/8 inch. 3/4 inch. Question Answered 0 Question Time Remaining 02:58:34 18 Which of the following is used to support long loads during lifting operations? 1. Spreader beams 2. 3. 4. Sling Chain hoist Bolts Question Answered 0 Question Time Remaining 02:58:37 17 For what MINIMUM time after depositing must concrete be protected from freezing? 28 days 1. 2. 3. 4. 14 days 7 days 5 days Question Answered 0 Question 16 What is the MINIMUM thickness of wood boards used as exterior sheathing? 1. 2. 3. 4. 1/2 in. 5/8 in. 3/4 in. Time Remaining 02:58:41 1 in. Question Answered 0 Question 15 Which of the following mortar types should be used in hot weather? 1. High chloride content 2. 3. 4. Low chloride content Low lime content Time Remaining 02:58:44 High lime content Question Answered 0 Question Time Remaining 14 02:58:47 What is the MAXIMUM size permitted for reinforcing bars placed in masonry? 1. 2. 3. 4. No. 9 No. 10 No. 11 No. 12 Question Answered 0 Question 13 Which part of the frame should get the straightest, least defective studs? Top plates 1. 2. 3. 4. King studs Corners Time Remaining 02:58:49 Headers Question Answered 0 Question 12 Rope slings MUST be inspected how frequently? 1. Quarterly 2. Weekly 3. 4. Daily Before each use Time Remaining 02:58:52 Question Answered 0 Question Time Remaining Question Answered 11 02:58:55 0 If concrete breaks at 4,000 psi in a lab test under ideal conditions, what is the compressive strength of the concrete? 1. 2. 3. 4. 4,000 psi 8,000 psi 12,000 psi 16,000 psi