Engineering, 24.02.2020 17:33, ACE7RITZ
A metal bolt in a calorimeter gives up -7,000 J of energy as heat to the surrounding water. The bolt has a mass of 0.25 g and a specific heat capacity of [Cp= 295 J/g•°C]. What is the change in the bolt’s temperature?
Answers: 3
Engineering, 04.07.2019 16:10, TheOriginalMeyah
An electrical motor raises a 50kg load at a construct velencity .calculate the power of the motor, if it takes 40sec to raise the load through a height of 24m(take g =9.8n/g)
Answers: 2
Engineering, 04.07.2019 18:10, yasminothman02
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 18:20, moneywaydaedae
Air is compressed isentropically from an initial state of 300 k and 101 kpa to a final temperature of 1000 k. determine the final pressure using the following approaches: (a) approximate analysis (using properties at the average temperature) (b) exact analysis
Answers: 1
Engineering, 04.07.2019 18:20, jessie8022
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
A metal bolt in a calorimeter gives up -7,000 J of energy as heat to the surrounding water. The bolt...
Mathematics, 14.04.2020 23:48
Mathematics, 14.04.2020 23:48
Mathematics, 14.04.2020 23:48
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