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An old Fall 2008 test. Material Type: Exam; Professor: Ohanehi; Class: Engineering Exploration; Subject: Engineering Education; University: Virginia Polytechnic Institute And State University; Term: Fall 2008;
Typology: Exams
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FORMULAS and DEFINED CONVERSION FACTORS
Volume of a cone = R^2 H 3
Where R = radius, H=height
Surface area of a solid cone = ( 2 )( ) 2 2
Where S = distance from point of cone to edge of circular base (in other words, the length of the slanting surface)
Fractional error = truevalue
error
1 in = 2. 54000 cm
1 ft = 0. 304800 m
1 yard = 3 ft
1 mi = 5280 ft
1 min = 60 s
1 hr = 60 min
1 ft^3 = 7. 48 gal
1 gal = 3. 78 L
1 lbmol = 453. 6 mol
1 psi = 6895 Pa
1 atm = 14. 7 psi
1 atm = 760 mm Hg
1 slug = 32. 174 lb (^) m
1 kg = 2. 20462 lb (^) m
1 N = 0. 22481 lb (^) f
Tablet PC
Weight 40%
Screen size 20%
Reliability 25%
Cost 15%
Model A 2 4 5 4 Model B 3 5 3 4 Model C 4 4 4 3 Model D 3 4 3 4
On the basis of the decision matrix above, which Tablet PC model should she choose?
It is a significant digit.
It is not a significant digit.
It is a place-holder zero.
It is not a place-holder zero.
It is a leading zero.
1 and 4
2 and 3
1, 4, and 5
2, 3, and 5
None
Start
Start 5) Start 6) None
Start 3) Start
Face diagonal
(11.7 – 1.89) / 0.