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Blue and yellow streams of paint (each with a density of 825 kg/m3 and a viscosity 1000 times greater than water) enter a pipe with an average velocity of 4 m/s as shown in the figure. The pipe has a diameter of 2 inches and length of 25ft. would you expect the paint to exit the pipe as green paint? Explain. Repeat the problem if the paint were thinned so that it is only 10 times more viscous than water. Assume that the density remains the same.
water at atmospheric pressure boils on the surface of a large horizontal copper tube. the heat ?ux is 90 of the
a machine component is made of 2024-t4 aluminum. the external loads produce highest operating principle stresses that
a rigid tank initially contains 3 kg of air at 500 kpa 290 k. the tank is connected by a valve to a piston-cylinder
a gas contained in a piston cylinder assembly undergoes a process from state 1 to state 2 defined by the following
An axially symmetric space vehicle with It/Ia= 10 is undergoing a general torque-free motion. The angle between the angular momentum vector H and the axis of symmetry is 45 deg.
A small 6-mm diameter pin was designed using ASTM no. 40 cast iron to withstand an axial compressive load of 3.5kN combined with a tensional load of 9.8 N.m. Calculate the factor of safety the designer m must have used.
A mass of 0.5 g of air is contained in a piston-cylinder device. Initially the system is at 100 kPa and 25°C. The system is now compressed adiabatically to a volume 17 times smaller and a temperature of 700 K.
Superheated steam in a piston-cylinder device is initially at 200 °C, 600 kPa. Heat is removed from the system during an isobaric process until half of the mass condenses to saturated liquid
Ask one or two engineers what kinds of oral presentations they make on a fairly regular basis. How long do they talk each time? What do they talk about? Who is their audience? Do they use any graphic aids or handouts while presenting? What kinds of f..
A 302 in displacement, V8, four-stroke cycle SI engine mounted on a hydraulic dynamometer has an output of 72hp and 4050 RPM. Water absorbs the energy output of the engine as it flows through the dynamometer at a rate of 30 gallons per minute. The dy..
the hot gas supply to a propulsion nozzle is at a pressure of 55 kpa and a temperature of 800 k. the ambient pressure
A Shell and Heat Exchanger needs to be installed. Water from the turbine at 90 C is cooled to 80 C in a shell-tube HX using 150 kg/s of raw water from Power Plant Lake. The raw water temperature can increase by 2, 4, 6, or 10 C. Design a suitable HX ..
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