12 Marks b) 5 kg of steam (assumed to be an ideal gas with cp = 2 kJ/(kgK) flows through a horizontal
channel per hour. In that same hour, there is heat flow of 300 kJ into the system while a technical
work of 250 kJ is done on the system. The steam enters and leaves the channel with the same
velocity
i) Calculate the change in entralpy per unit mass of the steam as it enters and leaves the channel
ii) Determine the exit temperature, if the inlet temperature is 150 °C
[8 Marks]
- Pil
D、
Puli
1​

the minimum amperage that the current in this wire would have to have so that its weight is completely supported by the magnetic force due to earth's field, assuming that no other forces except gravity act on it

as we know our atmosphere or air have different levels. every level has other gasses, and every gas has another permeability. when the light comes from lower permeability to higher permeability, it changes its direction. so that means that when the light comes from the moon to the earth, it changes it's direction many more times. it basically means that the shape of the light part of the moon is changed on the earth.

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