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A large oil reservoir has a pipe of 4 in ID and 7000-ft length connected to it. The free surface of oil (kinematic viscosity = 1 x 10^4 ft2/s) in reservoir is 10 ft above the centerline of the pipe and can be assumed to remain at this fixed elevation. Neglect entrance losses to the pipe. Assuming laminar flow through the pipe, compute the volumetric flow rate issuing out of the pipe as a free jet (assume the jet is at atmospheric pressure).
design 2-shell pass and 8-tube pass heat exchanger for heating ethyl alcohol from 25degc to 70degc at a rate of 2.9
consider a pefc operating with the following specifications 80 and the pressure is 2 atm at the anode and 20 and the
Mud is stopped using a wall made from 1.2 m high x 0.25 m wide rectangular concrete blocks as shown in figure below. Blocks density is 2700 kg/m3, mud density is 1800 kg/m3, and friction coefficient between ground and concrete blocks is f = 0.3 . The..
during this process heat is exchanged with surrounding such that the entire air remains at 30 degree celsius at all times.determine the heat transfer for this process.
a 1500 lb crate is pulled along the around at a constant speed for a distance of 25ft using a cable that makes an andle
a raindrop of mass 3.36 10-5 kg falls vertically at constant speed under the influence of gravity and air resistance.
If the room temperature is 15C and the temperature of the air exiting the hair dryer is 50C, what is the percent increase in the air velocity as it passes through the dryer.
In an air-water vapor mixture at 30°C, the partial pressure of the water vapor is 1.5kPa, and the partial pressure of the dry air is 100.5kPa. What is the relative humidity of the air-water vapor mixture?
10 kg of water in a piston cylinder exists as a saturated mixture at 120 kpa with quality 40. the water is now heated
an axhaust stack thermocouple is inserted into a 20 cm long well made of 5mm-o.d. 0.7 mm-wall-thicknes aisi 316
water steam at 3mpa and 400oc is expanded to 100kpa in an adiabatic turbine with an isentropic efficiency of 92.
A refrigerator with a COP of 3 removes 1.5 kW from the cold space at -9 °C while rejecting heat to the kitchen at 22 °C.
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