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Galvanized steel sheet metal is fastened together with copper rivets. The galvanized steel sheet has an area of 1.2 ft2 and the rivets have a total exposed area of 2 in.2. The environment contains moisture and some salt.
(a) Which metal will corrode?
(b) If half as many rivets are used, what effect would this have on the total rate of corrosion?
(c) How could corrosion be reduced?
the uniform disk of mass pivots freely on the cart of mass. determine the acceleration of the assembly and the angular
In air-conditioning systems, streams of cold and warm air are mixed to get air with the right temperature. Consider a mixing chamber into which cold air enters at 8C and 100 kPa at a rate of 0.55 m^3 /s and warm air enters at 300C and 100 kPa. The ra..
A heater is used to raise the temperature of a Thermodynamics classroom by 5.0 o C. Express this temperature rise in units of Kelvin? A heater is used to raise the temperature of a Thermodynamics classroom by 5.0 oC. Express this temperature rise in ..
the weather drops to 5 degrees celcius t1 so to keep warm you offer to make hot soup for the entire group. the
Determine Temperature of ball after 10 second and Time for ball to cool to 400oC - Alloy steel ball of 2 mm diameter heated to 800oC is quenched in a bath at 100oC.
a car air conditioning system operates with r-134a in the peak summer outside at 100degf and inside desired at 77degf.
In the branched pipe system shown in Fig. 12.8, 850 L/min of water at 10°C is flowing in a DN 100 Schedule 40 pipe at A. The flow splits into two DN 50 Schedule 40 pipes as shown and then rejoins at B.
One side of a manometer is connected to a tank of unknown pressure while the other side is open to the atmosphere. The manometer is filled with water and the height of the water is 18.7 cm higher on the tank side than on the atmospheric side. If the ..
at room temperature 25 c what pressure in both kpa and psi is required to liquefy propane c3h8? b determine values of
a) What is the temperature and state of the steam in the pipe? b) What is the quality of the steam in the pipe?
Why is the compressive stress so much higher than the tensile stress (at the same strain level) for the PTFE material? What material model can capture the stress difference?
write a main program that outputs position to the SCI channel
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