Engineering, 04.12.2019 05:31 dakotaadkins20
Water at 120oc boils inside a channel with a flat surface measuring 45 cm x 45 cm. air at 62 m/s and 20oc flows over the channel parallel to the surface. determine the heat transfer rate to the air. neglect wall thermal resistance.
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
Answers: 3
Engineering, 04.07.2019 19:10, gabrielaperezcz
Air inially occupying a volume of 1 m2 at 100 kpa, 27 c undergoes three internally reversible processes in series. process 1-2 compression to 500 kpa during which pv constant process 2-3 adiabatic expanslon to 100 kpa process 3-1: constant-pressure expansion to 100 kpa (a) calculate the change of entropy for each of the three processes. (b) calculate the heat and work involved in each process. (c) is this cycle a power cycle or refrigeration cycle?
Answers: 3
Engineering, 04.07.2019 19:10, Mimidj9279
The sum of the normal stresses does not change as the stress state rotates through an angle. a)-trune b)- false
Answers: 2
Engineering, 04.07.2019 19:20, mads000
Determine (a) the maximum thermal efficiency of reversible power cycles operating between a hot reservoir at 1000°c and a cold reservoir at 200°c and (b) the maximum cops for reversible refrigeration and heat pump cycies, respectively, between 28°c and 14°c.
Answers: 1
Water at 120oc boils inside a channel with a flat surface measuring 45 cm x 45 cm. air at 62 m/s and...
History, 30.04.2021 18:40
Biology, 30.04.2021 18:40
Geography, 30.04.2021 18:40
Mathematics, 30.04.2021 18:40
Mathematics, 30.04.2021 18:40