Engineering, 19.03.2021 03:00 cancerbaby209
An ideal Rankine cycle has been analyzed and the data tabulated below: State T(oC) P (bar) q V (m3/kg) H (kJ/kg) S (kJ/kgK) 1 400 10 SH 0.307 3264.5 7.4669 2 179.88 0.5 0.981 3.177 2600.5 7.4669 3 81.32 0.5 0.0 0.00103 340.5 1.0912 4 -- 10 CL 0.00103 1.0912 The actual turbine based on this cycle is 92% efficient and the actual pump is 68% efficient. The cycle is designed for 8.5 kg/s of flow. What is the net power produced by this cycle (in kW)
Answers: 2
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During a steady flow process, the change of energy with respect to time is zero. a)- true b)- false
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Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented
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Awall of 0.5m thickness is to be constructed from a material which has average thermal conductivity of 1.4 w/mk. the wall is to be insulated with a material having an average thermal conductivity of 0.35 w/mk so that heat loss per square meter shall not exceed 1450 w. assume inner wall surface temperature of 1200°c and outer surface temperature of the insulation to be 15°c. calculate the thickness of insulation required.
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Engineering, 04.07.2019 18:20
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
An ideal Rankine cycle has been analyzed and the data tabulated below: State T(oC) P (bar) q V (m3/k...
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