![subject](/tpl/images/cats/User.png)
Engineering, 29.09.2019 02:30 zionAboss
Suppose an electric toaster oven is on for 30 minutes. roughly (to 30% accuracy) how much energy is used by the oven? (a) 5 kwh (b) 3.6 mj (c) 5 wh (d) 2 million joules
![ansver](/tpl/images/cats/User.png)
Answers: 3
Another question on Engineering
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10
Carbon dioxide gas expands isotherm a turbine from 1 mpa, 500 k at 200 kpa. assuming the ideal gas model and neglecting the kinetic and potential energies, determine the change in entropy, heat transfer and work for each kilogram of co2.
Answers: 2
![question](/tpl/images/cats/User.png)
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
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 18:10
Ahot wire operates at a temperature of 200°c while the air temperature is 20°c. the hot wire element is a tungsten wire of 5 um diameter and 2 mm in length. plot using excel current, heat transfer and heat generated by the wire for air velocity varying from 1-10 m/s in steps of lm/s? matlab the sensor voltage output, resistance, or assume nu 0.989 re033pr13 take air properties at tr (200°c20°c)/2 = 110°c properties of tungsten: c 0.13 kj/kg.k 3 p 19250 kg/m k (thermal conductivity) = 174 w/m.k
Answers: 2
![question](/tpl/images/cats/User.png)
Engineering, 04.07.2019 19:10
10 kg of co2 is initially contained at 400 kpa and 300 k. the gas constant for carbon dioxide is 189 j/lkg k) and has a specific heat ratio, k, of 1.289. isentropic expansion then occurs until the pressure is 200 kpa. a) determine the initial volume of co2 in m. b) determine the final temperature in k. c) determine the work done by the system during the expansion kl.
Answers: 2
You know the right answer?
Suppose an electric toaster oven is on for 30 minutes. roughly (to 30% accuracy) how much energy is...
Questions
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2021 21:10
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/health.png)
Health, 16.12.2021 21:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2021 21:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/istoriya.png)
History, 16.12.2021 21:10
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2021 21:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 16.12.2021 21:10
![question](/tpl/images/cats/himiya.png)
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/en.png)
![question](/tpl/images/cats/fizika.png)
Physics, 16.12.2021 21:10
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/en.png)
English, 16.12.2021 21:10