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Write a short note on Stevenson Screen.

Answer» <html><body><p></p>Solution :The Stevenson screen is designed to protect thermometers from precipitation and direct sunlight while <a href="https://interviewquestions.tuteehub.com/tag/allowing-7260712" style="font-weight:bold;" target="_blank" title="Click to know more about ALLOWING">ALLOWING</a> air to circulate <a href="https://interviewquestions.tuteehub.com/tag/freely-7381827" style="font-weight:bold;" target="_blank" title="Click to know more about FREELY">FREELY</a> around them.<br/> Formation: It is <a href="https://interviewquestions.tuteehub.com/tag/made-3718337" style="font-weight:bold;" target="_blank" title="Click to know more about MADE">MADE</a> from wood with louvered sides to allow free and even flow of air. It is painted white to reflect radiation. It stands on four legs and is about 3 feet 6 inches above the level ofthe ground. The legs must be <a href="https://interviewquestions.tuteehub.com/tag/sufficiently-7383917" style="font-weight:bold;" target="_blank" title="Click to know more about SUFFICIENTLY">SUFFICIENTLY</a> rigid and be buried sufficiently in the ground to prevent shaking. The front panel is hinged at the bottom to form a door, which allows for maintenance and reading of the thermometers. The door of Stevenson screen is always towards the <a href="https://interviewquestions.tuteehub.com/tag/north-1124498" style="font-weight:bold;" target="_blank" title="Click to know more about NORTH">NORTH</a> in the northern hemisphere and towards the south in the southern hemisphere because direct sunrays also affect mercury. <br/>Objective: The purpose of the Stevenson screen is to create a uniform temperature enclosure that closely represents the same temperature as the air outside.</body></html>


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