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1. An engine operating on a Carnot cycle extracts heat at a rate of 500. Btu/s from a thermal reservoir at 1000.°F and rejects heat to a low-temperature thermal reservoir at 100.°F. Determine the rate of change in availability of the engine when the local environmental temperature is 70.0°F.
2. A fire hose is used to extinguish a building fire. The end of the hose is held 50.0 ft from the ground on a ladder and sprays 50.0°F water at a velocity of 12.0 ft/s. Assuming the water is an incompressible liquid, determine the specific flow availability at the exit of the hose when the local environment (ground state) is at 14.7 psia and 70.0°F.
the probability of a memory chip from a production line being defective is 0.04. find the probability that in a sample
The 3-m plank shown in section has a density of 800 kg /m3 and is hinged about a horizontal axis through its upper edge O. Calculate the angle e assumed by the plank with the horizontal for the level of fresh water shown.
Water is stored in a water tower at an elevation of 1804 m above sea level. The foundation of your apartment building is at an elevation of 437 m above sea level and you live on the 9th floor, with each floor having a height of 3.3 m.
A 10-minute experimental run shows that 75% of liquid reactant is converted to product by a half-order rate. What would be the fraction converted in a half-hour run.
consider a regenerative rankine cycle with a 600c and 4-mpa throttle a 5-kpa condenser and an open feedwater heater at
Write a function called SizeCheck that accepts two integer arguments and returns a Boolean (TRUE/FALSE). The function should return a TRUE value only if the first integer is larger than the second integer (you can check the return of your user-def..
a wall has inner and outer surface temperatures of 16c and 6c respectively. the interior and exterior air temperatures
Determine the maximum bearing force as the airplane undergoes a pullout on a 1830-m-radius curve at a constant airplane speed of 966 km/h and an engine rotor speed of 10,000 rpm, Include the effect of centrifugal force due to the pullout as well a..
sketch the ewald sphere construction for the 200 diffraction with mo kalpha radiation and a poly crystalline specimen
a point charge causes an electric flux of -750 nmc to pass through a spherical gaussian surface of 10.0 cm radius
Attraction of a Sphere Consider a uniform sphere with radius R and mass M, as shown in Figure 2.59. Determine the gravitational attraction force of M on a particle m at a distance a from the center of M.
In the discussion about the viscous terms in the fluid dynamic equations it was mentioned that the Reynolds number represents the ratio between actual and molecular scalings of length times velocity
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