Engineering, 10.06.2021 15:20 tylermdons
Problem 1: We need to build up to 6 power plants (L1 to L6) to serve 7 communities (C1 to C7). The cost to build a power plant is 6.5 million (AED). The maximum capacity of each plant is 11 million watts. The demand of each community is given below: Community 1 2 3 4 5 6 7 Demand in millions watt 3 4 6 4 5 2 4 The benefits (in $/watt but sometimes it is a loss) from serving the community is given below: Location C1 C2 C3 C4 C5 C6 C7 L1 4 4.5 2.5 1.5 3.5 4.2 -0.5 L2 4 4.5 2.5 0.5 1 0.5 -3.5 L3 3.5 5 4 1.5 4.5 3.5 0 L4 1.3 3 5 1.8 5.5 3.3 1.3 L5 0.5 1 1.5 5.5 4 5 3 L6 -1 0 1.5 4.5 4 3.3 2 Find which power plants should be built:
Answers: 1
Engineering, 04.07.2019 18:10
An air conditioning system consist of a 5 cm diameter pipe, operating at a pressure of 200 kpa. the air initially enters the pipe at 15°c with a velocity of 20 m/s and relative humidity of 80%. if the heat supply throughout the process is 960 w, determine the relative humidity and the temperature at the outlet
Answers: 3
Engineering, 04.07.2019 18:10
Atmospheric air has a temperature (dry bulb) of 80° f and a wet bulb temperature of 60° f when the barometric pressure is 14.696 psia. determine the specific humidity, grains/lb dry air. a. 11.4 c. 55.8 d. 22.5 b. 44.1
Answers: 1
Engineering, 04.07.2019 18:10
Which one from below is not one of the reasons of planning failures? (clo3) a)-planner is careless. b-planner spend less time in the field but more time on the desk c)-planner is not qualified d)-planner does not have sufficient time to properly plan
Answers: 3
Engineering, 04.07.2019 18:20
Apiston-cylinder device contains 0.1 m3 of liquid water and 0.9 m3 of water vapor in equilibrium at 800 kpa. heat is transferred at constant pressure until the temperature of water reaches 350 °c. determine (a) the quality of water at the initial state (b) the work associated with this process, (c) the heat associated with this process.
Answers: 2
Problem 1: We need to build up to 6 power plants (L1 to L6) to serve 7 communities (C1 to C7). The c...
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