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Starting with the relation dh= T ds + v dP, show that the slope of a constant-pressure line on an h-s diagram
(a) is constant in the saturation region and
(b) increases with temperature in the superheated region.
Name three types of metamorphic foliations, and draw a small sketch that shows a situation where a metamorphic foliation could cause problems in an excavation.
Design a one way slab to support a uniform live load of 300 psf. The beam is simply supported with a span of 20 ft. Use a reinforcement ration ( Ps) of 0.008 Use f'c=3000 psi and fy=60000 psi.
If the coefficient of kinetic friction between the 12.5 mm diameter axles and the wheels is mu_k = .3, determine the radius of the wheels. neglect rolling resistance of the wheels on the surface.
If the flow that you determined in (b) occurred as rainfalluniformly over the earth's surface, what would be the mean annualrainfall (cm/y)?
Design a rectangular channel contraction from width b1 (upstream) to width b2 (downstream). Assume uniform flow approaches the contraction (i.e. normal depth approaching the channel contraction).
A cylindrical core, completely saturated with oil up to immobile water saturation, is immersed in water and the measured volume of oil displaced by imbibition of water
a simple horizontal curve has a central angle of 35 degrees-40 minutes-40 seconds, and a degree of cure (arc definiton) of 5 degrees -00 minutes-00 seconds.
A water treatment plant has 6 settling tanks that operate in parallel (the flow gets split into six equal flow streams), and each tank has a volume of 600 m3.
Consider a simply supported beam of lenght 50ft pinned on the left end at A and on a roller at the right end at B and subjected to a concentrated load of 20 kips at a distance of 20ft from A and a second concentrated load of 10kips 40 feet from A. Th..
A Steel beam is supported on eachend by columns in a building. The beam is designed tohold a 10kN heating unit at mid span. There are no other loads onthe beam.
At a certain location on the surface of an engineering component, the material is in a state of plane stress with principal stresses of fmax = 150 MPa and fmin = 50 MPa (both tensile). If the yield strength of the material is Y = 350 MPa
Problem 1: A calibration equation for a temperature sensor calibrated for 100 ≤ T ≤ 500K is give as R = 1.25 - 0.03T + 5 * 10-4T2 + 1 * 10-6T3 (with R in Ω and T in K). Determine the sensitivity of the temperature sensor at T = 300 K.
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