Question

9.С rdon workers who enter a trench deeper than 8 fret must always wear (a) a respirator ) an extraction harness (c) a hard hat (4) eye protection () sove cf e above 10. A construction worker may enter an excavation without a protective systers when the eaaratos is potestial cae n ) entirely in Type A soll() less than 5 feet and there is no indication fa (c) free of standing water (d) entirely in Type D soll (e) one of the abere 11. How far should ladders estend above the edge of a trench greater thas 4 feet deep () 1 foot 12 An uncleated 10 foot long scaffold plank must extend over its support (a) 6 inches (b)8inches ()10 inches (d) 12 jnches (e) none of the above )2 feet)3 feet () 4 feet ) none of the abome at least 13. Ends of reinforcing steel projecting horizontally must be protected by caps or covers whes the (a) rebar is No.4 or smaller (b) rebar extends more than 24 inches () location is high enouh tat a (a) ends will be exposed for a long timeesf tripping worker can be impaled upos it the above 14. What distance may the upper surface of guardrail be above the walking/working surface? (a) 36-39 inches (b)36-45 inches ( 38- 42 inches (4) 39-45 inches (e) mone of the above 15 A construction firm has an annual fixed overhead cost of $ 500,000.00. During the year, the actual overhead was $ 550,000.00. The firms gross billings during the year were $ 6,000,000.00. Each of the jobs billed had been estimated with a 10% allowance for overhead and profitAssumete jobswere accurately bid and accurately managed. What was the firm's actual profit? ) $45,000 (b) $ 50,000 ($100,000 ()105,000 (e)none of the above 16. A tandem dump truck has a purchase price of $ 80,000. Freight for the delivery is s1,500. Tires are estimated at 10 years. After 10 years, the salvage value is expected to be O. Interest, insurance, storage estimated life of 3500 hours. What is the before taz estimated hourly cost of ownership and operation an additional 5 15,000 The truck is expected to operate 1100 hours per year and it useful life is fuel,oill, lubricants flters, repairs and sales tax are estimates at $ 21,000 per year. Tires have an exduding operator labor cost? a)S25fhr (b) 530/ar ()550/hr (d)575/hr (e) none of the above

Answer 1

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(b) fess hen 5 feet and thee is no indirs hon 1 sfe shatel (addes exnd obove Phe achip of a fre nch Teoltr tmn 4 feet deep? rPc, than 44 tee/- e(c) feet The distonce br which he op sorfare of guo Anwe: (e) 31-45 inche)