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1/Your team needs 250 ml of 0.085% salt solution to test your salinity sensor. Identify the volumes of each of the water sources needed to create your sample. The sources are deionized water and 0.15% salt solution. (response must be in ml)
2/A tank holds 60 liters of water and the tank heater's power rating is 1300 watts (J/s). How much will the temperature of the tank change if the heater is on for 3 minutes? The Cp for water is 4.184 J/g-C.
3/You have been asked to prepare a salt solution using 18.5 grams of NaCl and 6 gallons of water, What will the weight percent salt be in the resulting solution? 1 gallon = 3.78 liters. (answer in % -
4/From data collected for RCX Display vs Actual Temperature (degrees C) a trendline is developed. Identify the sensitivity of the sensor in display unit per degrees C given the trendline shown. (DO NO INCLUDED UNITS IN THE ANSWER)
RCX Display = 334x + 44.8, when x is actual temperature in degrees C
A lake has a volume of 750,000 m3 (dimensions 15 m deep, 100 m wide, and 500 m long) and behaves as two completly mixed cells. Cell 1 makes up 40% of the lake ( dimensions 15 m deep, 100 m wide, and 200 m long) cell 2 makes up 60% of the lake (dimens..
A rigid tank contains 1 kg of H20 at 100 kPa, x=0.1. Given that the tank can withstand a maximum internal pressure of 2 MPa, determine (a)the maximum temperature to which the steam in the tank can be heated,
A driver on a leveltwo-lane highway observes a truck completely blocking thehighway.The driver was able to stop her vehicle only 20 ft. fromthe truck. If the driver was driving at 60mph, how far was she fromthe truck when she first observed it?
A 1:2000 scale tidal model is operated to satisfy Froude’s law. A velocity of 0.02 ft/s is observed in the model. What is the velocity at the corresponding point in the prototype? What length of time in the model corresponds to one day in the prototy..
A paper plant is proposed for a location 1 km upwind from a town. It will emit 40 g/s of hydrogen sulfide, which has an odor threshold of about 0.1 mg/m 3. Winds at the effective stack are typically 4 m/s owing toward the town.
Determine the height "h" on the wall to which the firefighter can project water from the hose...and the speed of the water at the nozzle is v= 55ft/s. The firefighter is holding the hose 3.5 ft from the ground and the wall is located 15ft from the..
A sailor is being rescued using a boatswain's chair that issuspended from a pulley that can roll freely on the support cableACB amd is pulled at a constant speed by cablle CD
What is the solution if foundation bolt cut by some way from their bottom of skid, i mean skid base than how to keep another bolt etc for tightness of skid along with pump-motor already fittied with pipe and other fitting's too..
The suspended load exerts a force F = 600 lb at A and bar OA weighs 200 lb. Assume that the bar’s weight acts at its midpoint. Determine the tensions in the cables and the reactions at the ball and socket support O. Draw complete FBD(s) for full cred..
calculate the density and specific weight of carbon dioxide at a pressure of 300 kN/m^2 absolute and 60º C
a 520 ft long equal tangent crest vertical curve connects tangents that intersect at station 340 00 and elevation 1325 ft the initial grade is if 4 and the final grade is 2.5 determine the elevation and stationing of the high point PVC AND PVT
After the cone of depression has achieved equilibrium, the piezometric heads at two observation wells 40 and 95 m from the pumping well are measured as 78.9 and 83.4 above sea level, respectively.
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