Within the practice of environmental engineering the causes of environmental pro
ID: 1709763 • Letter: W
Question
Within the practice of environmental engineering the causes of environmental problems include all of the following except. a. urbanization. b. Air quality. c. Population growth. d. Industrialization. A 5,000 Psi concrete bridge deck is 200 feet long, 30 feet wide and 8 inches thick and contains the following cubic yards of concrete. a. 48 b. 148 c. 193 d. 241 For the same bridge deck as described in Question 2 above has a surface area of the following square yards. a. 667 b. 1,000 c. 3,000 d. 6,000 A No. 10 steel reinforcing bar weights 4.303#/ft. A No. 10 bar that is 125'-4 1/2" weights which of the following. a. 537 # b. 540 # c. 541 # d. 536 #Explanation / Answer
Answer 1) correct answer is option (b) Air quality
Explanation: Air quality is not the cause of Environmental problem but it is the effect Environmental problem.
Answer 2) correct answer is option (b) 148 cubic yard
Explanation: volume of bridge deck= 200x30x0.667 cubic feet= 4002 cubic feet=148 Cubic yard
Answer 3) correct answer is option (a) 667
Explanation: Surface area of bridge deck is = 200 x 30 sqft = 6000sqft = 667 square yard
Answer 4) correct answer is option (b) 540 pounds
Explanation: the weight of 125 ft & 4.5 inches ie (125.375 feet) = 4.303 pound/feet x 125.375 feet = 540 pounds
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