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The impact of technologies in relation to materials -
In recent years, we have witnessed significant advances of technology particularly in the areas of computing and telecommunication. We use these technologies in our everyday life and to perform our engineering tasks. In engineering, we use some of these technologies to improve our efficiency in materials, design, construction, and operation. Discuss the impact of these technologies in relation to materials you learned in this course such as professional ethics and personal ethics, engineers' responsibility, society and technology, trust and reliability, risk and reliability, and the environment.
Two round, 3cm diameter bars are made of SAE 1030HR (hot-rolled) steel but are different lengths (15 cm and 60 cm, respectively). Compare the load supporting capability of the three bars if they are loaded in compression and the ends are assumed to b..
a large pipe carries steam as a two-phase liquid-vapor mixture at 1.0 mpa. a small quantity is withdrawn through a
this question has popped up elsewhere on here but im a little dubious on some of the answers. anyway here goes any help
determine the temperature difference between the inner and outer surfaces of the bottom of the pan if it is 6mm thick.
A torsional helical spring is used to hold a door closed. The handle on the door is located 30 inches from the center of the torsional helical spring. The pull on the handle should be 1 pound when the door is closed and 3 pounds after the door has ..
Design a single pass shell and tube type heat exchanger which requires mh = 25 kg/s with Th,i = 30 C and mc = 75 kg/s with Tc,i = 20 C. What heat transfer rate is obtained using 150 2 m tubes (ID = 16 mm and OD = 19 mm with kw = 400 W/mK).
water at 20degc flows past a circular cylinder in cross-flow at a freestream velocity of 0.5 ms. the cylinder is 0.02m
A pump in a tank of water at 20°C directs a jet at 45 ft/s and 200 gal/min against a vane, as shown in Fig. P3.73.
a long solenoid has a diameter of 12.0 cm. when a current i exists in its windings a uniform magnetic field b 27.0 mt
Investigate the technical readiness and economic feasibility for each concept. Report your findings in an executive summary and a PowerPoint presentation with at least three references.
While completing this homework, imagine the study space you are using employs a space heater with a rating of 30 kW, a refrigerator (for snacks) that is rated for 5 kW, and a light fixture with 2100 W bulbs, all operating at a constant rate for th..
A motor has a disk mounted on its shaft. The disk has a diameter of 1 foot and weighs 60 pounds. Starting from rest, the motor rotates at 350 rpm after 5 seconds. If the motor has a 92% efficiency, determine the input power in watts.
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