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Quiz___2_Answer_Document - CIVE 335 Quiz 2 ANSWER DOCUMENT...

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CIVE 335 Quiz # 2 9/9/08 ANSWER DOCUMENT Total Score = Name (Last, First) SHOW ALL CALCULATIONS. A RESULT ONLY IS NOT ACCEPTABLE. 1 A concrete pile has dimensions of 24" square, and a length of 27'. How many cu.yds. is this? 24" = 2' 2' x 2' = 4 sq.ft. Answer to # 1 4 cu. Yd. 15 2 What is the weight of Cement? Answer to # 2 94 lb / cu. Ft. 15 3 In physics or engineering, what is the definition of force? strength or energy exerted or brought to bear; cause of motion 15 4 How many cu ft are 5 cu yd ? Answer to # 4 135 cu ft 15 5 A liter is 0.274 gal. What is the weight of the water in a container that contains 200 liters? 457 lb 20 6 A tank contains alcohol with a specific gravity of 0.80. The tank has a square bottom with a dimension of 3' x 3'. The height of the tank is 8'. The tank is made of 1/4" stainless steel plate, and the tank has a weight of 2,700 lb. What is the pressure exerted by the alcohol on the bottom of the tank in psi? (lb / sq in) Two ( 2 ) methods included for your stud Method 1 Weight of water = 62.4 lb / cu ft S.G. = 1 Alcohol = 0.80 SG 62.4 x 0.80 = 49.92 lb / cu ft Answer to # 6 2.77 lb / sq in
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