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1. For a certain thermistor β = 3420 K, and the resistance at 200?F is known to be 1010 ± 3 Ω. The thermistor is used for a temperature measurement, and the resistance is measured as 2315 ± 4 Ω. Calculate the temperature and the uncertainty.
2. Calculate the thermoelectric sensitivity for iron-constantan and copper constantan at 0?C. Plot the error which would result if these values were assumed constant over the temperature range from -50 to +600?F.
When fluid of specific weight 8.2 KN/m^3 flows in a 150-mm-diameter pipe, the frictional stress between the fluid and the pipe wall is 25 N/m^2. Calculate the friction head loss per meter of pipe
A two-phase liquid-vapor mixture of water is initially at a pressure of 10 bars. If on heating at fixed volume, the critical point is attained, determine the quality of the initial state.
A horizontal curve is designed for a two-lane road in a mountainous terrain. The following data are known: Deflection angle: 40 degrees Tangent: 436.76 Station of PC: 2695 + 73.89 Side friction factor = 0.12 Superelevation = 8% Superelevation run-off..
A 12 ft x 12 ft square area carrying a uniform load of 5000 lb/ft^2 s applied to the ground surface.Find the vertical stress increment due to the load at a depth of 25 ft below the center of the loaded area.
The storativity of the Jordan Aquifer (a regional confined aquifer) is 5 x 10-4 and the porosity is 0.3. The thickness of the aquifer is 200 ft. If the head in the Jordan has been pumped down by 100 ft in recent times
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.
The propellor is situated at the end of the tunnel wherethe area is 10 m2 (rigth before the tunnelis opened to the atmosphere). So I used the energyequation, but I have two unknows: pressure P of thetest section, and the shaft work hT orhP (I am not ..
When P = 800 lb, A) Draw the shear and bending moment diagram along its length; B) Determine the maximum tensile and compressive bending stresses; and C) determine the maximum shear stress.
One form of which consists of three equal weights joined by equal length ropes. The gaucho holds on to one weight spinning the bolas overhead. When the bolas is cast the weights cause the configuration to change
A 1500-foot subdivision street is to be constructed. The layout will be completed in three days; the fill will be brought in over the course of eight days; the compaction/grading will be completed in five days
At a given instant, the position of a plane at A and a train at B are measured relative to a radar antenna at O. Determine the distance d between A and B at this instant. To solve the problem, formulate a position vector, directed from A to B, and..
Calculate the magnitude of the total force supported by the connection at A if the truck starts from rest with an acceleration of 5 m/s2
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