A coffee maker makes coffee by passing steam through a mixture of coffee powder, milk and water. If the steam is mixed at the rate of `50 g `per minute in a mug containing `500 g` of mixture, then it takes about `t_(0)` seconds to make coffee at `70^(@)C` when the initial temperature of the mixture is `25^(@)C`. The value of `t_(0)` is close to (ratio of latent heat of evaporation to specific heat of water is `540^(@)C`) and specific heat of the mixture can taken to be the same as that of water)A. 30B. 45C. 60D. 90

A coffee maker makes coffee by passing steam through a mixture of coff

1.	A coffee maker makes coffee by passing steam through a mixture of coffee powder, milk and water. If the steam is mixed at the rate of `50 g `per minute in a mug containing `500 g` of mixture, then it takes about `t_(0)` seconds to make coffee at `70^(@)C` when the initial temperature of the mixture is `25^(@)C`. The value of `t_(0)` is close to (ratio of latent heat of evaporation to specific heat of water is `540^(@)C`) and specific heat of the mixture can taken to be the same as that of water)A. 30B. 45C. 60D. 90
Answer» Correct Answer - B

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