Question

What is the purpose of kink in a clinical thermometer

Answer 1

Answer:

It is necessary to have kink in the thermometer because it prevents mercury present in the capillary to fall back into the bulb. So it separates high temperature mercury and cool mercury and allows the user to take a reading when the ththermomet is taken out

Answer 2

Answer:

Specific features of the liquid-in-glass clinical thermometer are: A 'kink' in the glass tube which breaks the mercury as it contracts, storing the highest temperature reading.The glass tube is shaped like a lens to magnify the thin mercury thread. Shaking the thermometer resets the mercury back into the bulb.