Explain the Wet and Dry Hygrometer ?
Answer / km jyoti saini
It consists of two similar thermometers which are mounted on a metallic frame. One of them is provided with a muslin wrapping around its bulb. The bulb is kept damp by dipping of muslin into water. Cooling is caused by evaporation of wet bulb and this causes lower temperature of wet bulb. The dew-point can be calculated by Glaisher’s formula
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Giraffe in Arabic means "the highest of all." The height of a giraffe is an average of 5 m, its mass is about 800 kg and hooves is an area of approximately 625 cm2. Using a straw from a material nedeformabil a giraffe trying to drink water from a lake, not to condescend. What is the ratio of the minimum pressure to be applied giraffe, mouth, at the end paiului to drink water and pressure of giraffe on the ground. The density of water. g = 10 m/s2