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1. A pan in an auto shop contains 5 L of engine oil at 20?C, 100 kPa. Now 3 L of oil at 100?C is mixed into the pan. Neglect any work term and find the final temperature and the entropy change.
2. A computer CPU chip consists of 50 g silicon, 20 g copper, and 50 g polyvinyl chloride (plastic). It heats from 15?C to 75?C as the computer is turned on. How much did the entropy increase?
The actual weight of the Rectangular Aluminum Beam (used in Task 3) is 25 grams, while the actual weight of the Square Aluminum Box Beam is only 5 grams.
Water flows from a ground storage tank that is 450 feet above a town's water distribution system. The pressure at the entrance of the system must be at least 75 psi and the demand is 1350 GPM.
Assuming the flow to be isentropic, determine the flow area at the location where the Mach number is 1.2.
Find depth of water flow in Rectangular channel, Water is flowing in a rectangular channel whose width is 5m
Determine the volume of the solid obtainted by rotating the semiparabolic area shown about (a) the y axis the x asix
Suppose 76% of all commuters ride to work in carpools. if eight workers are randomly selected, find the probability that at least 7 will ride in carpools.
Determine the required constant tension TB if the speed of the tape is increased by 4 m/s in 0.3 seconds and the corresponding tension in the portion of the tape between the drums.
A first-order reaction that results in the destruction of a pollutant has a rate constant of 0.1/day. (a) How many days will it take for 90 per- cent of the chemical to be destroyed (b) How long will it take for 99 percent of the chemical to be destr..
For the data of Problem 26.19, calculate slope intercepts and determine the end area by the coordinate method.
What is the rated flywheel power for a CAT 834H 4 wheel tractor equiped with converter drive? What are the maximum speeds, for this machine in each of the four forward gears?
What is the pH value of water containing 0.005 M of an acid with a acid dissociation constant of 0.001 M. The dissociation of the acid in water can be represented as: HA H+ + A-
A stress orientation can always be found that maximizesnormal stresses and causes shear stresses to be zero.
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