Engineering, 07.11.2019 06:31, mshepherdmiller
Asystem executes a power cycle while receiving 1050 kj by heat transfer at a tempreture of 525 k and discharging 700 kj by heat tranfer at 350 k. there are no other heat transfers.
a) usin equation 5.13 determine whether the cycle is internally reversible, irreversible, or impossible
b) determine the thermal efficiency using equation 5.4 and the given heat transfer data. compare this calue with the carnot efficiency calculated using equation 5.9 and comment
Answers: 2
Engineering, 03.07.2019 14:10, kayabwaller4589
When at a point two solid phase changes to one solid phase on cooling then it is known as a) eutectoid point b) eutectic point c) peritectic point d) peritectoid point
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Engineering, 04.07.2019 18:10, skpdancer1605
Ariver flows from north to south at 8 km/h. a boat is to cross this river from west to east at a speed of 20 km/h (speed of the boat with respect to the earth/ground). at what angle (in degrees) must the boat be pointed upstream such that it will proceed directly across the river (hint: find the speed of the boat with respect to water/river)? a 288 b. 21.8 c. 326 d. 30.2
Answers: 3
Engineering, 04.07.2019 18:10, redrosesxx
Water at 55c flows across a flat plate whose surface temperature is held constant at 95c. if the temperature gradient at the plate's surface for a given value of x is 18 c/mm, find a) local heat transfer coefficient. b) heat flux
Answers: 3
Asystem executes a power cycle while receiving 1050 kj by heat transfer at a tempreture of 525 k and...
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