Engineering, 10.11.2019 05:31 mariahbrooks
In a steam power plant, energy is added by heat transfer at a rate of 2100 kw at 680◦c at the boiler, removed at a rate of 1240 kw at 35◦c at the condenser, and the pump power is 75 kw. determine: a. thermal efficiency of power plant b. maximum possible turbine power [kw] (assume same energy transfers at boiler and pump)
Answers: 2
Engineering, 03.07.2019 14:10, volleyballfun24
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 18:20, 1230bering
Select any two (2) areas of applications of chain-drive. (clo4) a)-permanent lubrication necessary b)-hydraulic forklift truck operation c)-rigging and heavy moving materials d)-relatively high maintenance costs e)-costlier than belt drives
Answers: 2
Engineering, 04.07.2019 18:20, RiverH246
Air flows over a heated plate àt a velocity of 50m/s. the local skin factor coefficient at a point on a plate is 0.004. estimate the local heat transfer coefficient at this point. the following property data for air are given: density = 0.88kg/m3 , viscosity 2.286 x 10 ^-5 kgm/s , k = 0.035w/mk ,cp = 1.001kj/kgk. use colburn reynolds analogy.
Answers: 1
In a steam power plant, energy is added by heat transfer at a rate of 2100 kw at 680◦c at the boiler...
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