Engineering, 22.04.2021 20:20 susie1968
1. steam : turbine :: a. wind : windmill b. bicycle : pedals c. batteries : clock d. reactor : cooling tower 2. controlled fission : uncontrolled fission :: a. internal combustion : car engine b. consumption : electricity c. nuclear plant : atomic bomb d. methane hydrate : natural gas 3. petroleum : plastics :: a. oil reserves : oil deposits b. trees : lumber c. fabric : cotton d. fossil fuels : fire 4. control rods : nuclear reaction :: a. current : generator b. neutrons : uranium pellets c. steam : condensation d. brakes : car 5. petroleum : reserves :: a. fusion : sun b. uranium : radon c. money : bank d. coal : sulfur 6. electricity : grid :: a. methane hydrate : ice b. crude oil : wells c. coal : deposits d. natural gas : pipeline 7. petroleum fuels : carbon dioxide :: a. coal : sulfur b. oil well : natural gas c. nuclear power : uranium d. fuel cells : hydrogen
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Engineering, 03.07.2019 14:10
If the thermal strain developed in polyimide film during deposition is given as 0.0044. assume room temperature is kept at 17.3 c, and thermal coefficient of expansion for the film and the substrate are 54 x 10^-6c^-1 and 3.3 x 10^-6c^-1respectively. calculate the deposition temperature.
Answers: 3
Engineering, 04.07.2019 03:10
What precautions should you take to prevent injuries when dealing with heavy loads?
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Engineering, 04.07.2019 18:10
The thermal expansion or contraction of a given metal is a function of the f a)-density b)-initial temperature c)- temperature difference d)- linear coefficient of thermal expansion e)- final temperature f)- original length
Answers: 2
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
1. steam : turbine :: a. wind : windmill b. bicycle : pedals c. batteries : clock d. reactor : cooli...
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