CIVE 335
Quiz # 2
9/9/08
ANSWER DOCUMENT
Total Score
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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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 Spring '12
 desormeaux
 Imperial units, Gallon, Cubic foot, Customary units in the United States, cu ft, Tank Bottom

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