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The Copper Country Minerals Gallery:1. Why do native copper specimens in the museum have surface colors other than shiny copper color?2. What minerals cause the varied surface colors of native copper specimens? (Hint: study copper oxide zone cases O2-O4 besides the specimens in Copper Country Gallery).3. What is the most common crystal form of native copper from the Keweenaw Peninsula? (Hint: Go to case C24)The Michigan Basin Minerals Gallery.4. What are the common museum displayable minerals found in quarries of Lower Michigan?5. What mineral is mined from under the City of Detroit? What is this mineral used for?The Systematic Mineral Collection Gallery.6. Describe the criteria used to organize the systematic mineral collection.7. For some minerals color is a diagnostic property making identification rather easy. However, certain minerals can also occur in a wide variety of colors making color a poor tool for identification. List different colors for the mineral quartz located throughout the museum.(Hint: go to case M16)The Fluorescent Mineral Gallery.8. Watch the video about the property of fluorescence. What are the prominent colors of the minerals from New Jersey?9. Why do some minerals fluorescence and not others?
The allowable shearing stress is 15 ksi in the steel rod AB and 8 ksi in the brass rod BC. Knowing that the torque of magnitude T=10 kip * in. is applied at A, determine the required diameter of a) rod AB, b) rod BC.
A company that manufactures regenerative thermal oxidizers made an investment 10 years ago that is now worth $1,300,000.
Explain CBR method of pavement design with one example.
Determine the compressive strengths of the following: A) A 6-in. diameter concrete cylinder that failed at ta test load of 135,000 B) A-3-in. diameter specimen that failed at a test load of 30,000
what is the maximum weight of the crate that the system can support? What is the angle theta required for equilibrium?
A reverse osmosis plant desalinates 5X10^6 L/day of feedwater containing 1500 mg/L of salts, yielding 3X10^6 L/day of product water with 75 mg?l of salt. What would the salt concentration be in the brine?
A one meter diameter cylindrical mass is connected to a 2 meter wide rectangular gate. the gate is to open when the water level drops below 2.5 meters. Determine the required value of the mass of the cylinder in kgs.
An embankment for a highway 30m wide & 1.5m in a compacted thickness is to be constructed from a sandy trucked from a borrow pit. the water contenet of the sandy soil in the borrow pit is 15%& its void ratio is 0.69.
Design a three story office building
A pre- engineering base line was run down a very steep hill.rather than measure horizontaily down hill with steel tape: surveyor measured the vertical angle with the theodolite and slope distance with 16m steel tape.
A fully loaded, ocean going container ship is just stable about its longitudinal axis (roll). The ship has a total weight of 155,000 tons, length = 1,600 feet and a beam = 150 feet (assume that it is the shape of a rectangular box). Calculate the ..
a rectangular clarifier with a length:width ratio of 3:1 receives a flow of 850m3/day. the clarifiers depth is 4.0m and the detention time of the water inthe clarifier is 2.4 hrs, what are the surface overflow rate and the horizontal flow through ..
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