Engr10 Using Units HomeWork Introduction to Engineering



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ACRES of Land are contained in this 90mX120m rectangle?



  1. (4 Points) MILK PRICE: In Mexico a liter of regular MILK costs about 11.70 Pesos. What is this cost when expressed in Dollars per Gallon ($/Gal)?



  1. (2 Points) MIDDLE EAST CLIMATE: The highest temperatures recorded1 in the middle east range from the 110s to 120s, with Dhahran, Saudi Arabia, claiming an all time high of 124 °F. What is 124 °F when expressed in degrees Celcius (°C)?



  1. (5 Points) LIQUID MERCURY, Hg: The liquid metal mercury has a Specific Weight of 0.49 pounds per Cubic-Inch (lb/in3). ReState the Specific Weight of Hg in Newtons per Cubic-Meter



  1. (5 points) ROOM SIZE. In Japan, the size of rooms is measured in tatami mats (jo). One tatami mat is 1.8 m x 0.90 m; with 14-jo being a good-sized living/dining room. How large is this good-sized living room in square feet?



  1. (5 Points) WATER RESERVOIR STORAGE. The Water Storage Capacity of large reservoirs are measured in ACRE•FEET. An Acre•Foot of water is equivalent to an area of one Acre covered with water one foot deep. Lake Chabot has a storage capacity of about 504 Acre•Feet of water. Convert this storage capacity to Gallons.




  1. (2 Points) ANCHOR BOLTED-JOINT DESIGN. A Civil Engineering designs an earthquake retrofit system for a 4400 ft2 house. The engineer designs a foundation-stabilization structure that uses 5/16-18, stainless-steel concrete-anchor bolts. The anchor-bolt has PullOut rated Load of 7250 lbs. The building code calls for a minimum factor of safety of 1.4 which means that the Design Load can be NO MORE than 71.4% of the Rated Load. For these circumstance what is the rated load in lbs?



  1. (2 Points) ENGINE TORQUE Δ%. Jeep's overhead-cam six cylinder, 230-cubic-inch gasoline engine, called the Tornado, was one of the first mass-produced overhead-cam engines built in the United States after World War II. In early 1960 Willys Motor engineer A.C. Sampietro started to design the new engine. By May 1961 Sampietro's engine had passed its 100-hour full-power certification tests producing the Torque/Power-Speed curve shown below. This engine has an usually “Flat” Torque-Speed curve2. What is the

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