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An insulated rigid tank is initially filled with a saturated liquid-vapor mixture of water. Initially three-quarters of the mass is in the liquid phase, the mass is 10 lbm, and the pressure is 15 psia. An electric heater in the tank is turned on, and the entire liquid in the tank is vaporized. How much work does the electric heater have to supply to the system. Show the process on a T-v diagram with respect to the saturation lines.
A model grain dryer is being used to investigate the drying process. It is discovered that the load cell which supports the dryer indicates that the mass of the dryer and its contentsinitially increases during the heat-up.
While the swing bridge is closing with a constant rotation of 0.5 rad/s, a man runs along the roadway such that when d = 10 ft he is running outward from the center at 5ft/s with an acceleration of 2 ft/s^2, both measured relative to the roadway.
An engineering student is driving on a level roadway and sees a construction sign 500 ft ahead in the middle of the roadway. the student strikes the sign at a speed of 25 mi/h.
Calculate the precentage of carbon hydrogen and oxygen in ethanoic acid.
The siphon crown is 1.2m above the water surface elevation of the reservoir and a length of 10m away from the siphon entrance. If the siphon diameter is 30 cm, the friction factor is 0.2, and the head loss coefficients are 0.2 inlet and 0.1 exit,
Given that the gate is 3 m wide and will just start to open when water height reaches 6 m, determine the weight of the gate.
Draw the influence line for the support reaction at A and calculate the support reaction at point
The local engineer concludes that, since the oil must have been destroyed by the soil microorganisms at a rate of 20 mg/kg each year, in one more year the site will be free of all contamination. a. Is this a good assumption
Two kg of oxygen at 40C are contained in a 2 m3 closed rigid tank. Assuming that oxygen behaves as an ideal gas under these conditions, what is the gas pressure in the tank in bar.
The probability that a new car battery functions for over 10,000 miles is .8, the probability that it functions for over 20,000 miles is .4, and the probability that it functions over 30,000 miles is .1. If a new battery is still working after 10,..
Describe how test flumes and associated equipment are used to assess and confirm hydraulic behaviour in open channel
Are there any situations when parallel flow option may be preferred instead of a counter flow heat exchanger
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