In an industrial process 10 kg of water per hour is to be heated from 20∘C to 80∘C. To do this steam at 150∘C is passed from a boiler into a copper coil immersed in water. The steam condenses in the coil and is returned to the boiler as water at 90∘C. then___ kg of steam is required per hour. (Specific heat of steam = 1 calorie per gm°C, Latent heat of vaporization = 540 cal/gm)

In an industrial process 10 kg of water per hour is to be heated from

1.	In an industrial process 10 kg of water per hour is to be heated from 20∘C to 80∘C. To do this steam at 150∘C is passed from a boiler into a copper coil immersed in water. The steam condenses in the coil and is returned to the boiler as water at 90∘C. then___ kg of steam is required per hour. (Specific heat of steam = 1 calorie per gm°C, Latent heat of vaporization = 540 cal/gm)
Answer» In an industrial process $10 k g$ of water per hour is to be heated from $20^{\circ} C t o 80^{\circ} C .$ To do this steam at $150^{\circ} C$ is passed from a boiler into a copper coil immersed in water. The steam condenses in the coil and is returned to the boiler as water at $90^{\circ} C .$ then___ $k g$ of steam is required per hour. (Specific heat of steam = 1 calorie per gm°C, Latent heat of vaporization = 540 cal/gm)