Question

Describe each of the following in atleast 5 sentences:
a) Liquid thermometers

b) Optical thermometers

c) Thermocouple thermometers

d) Gasothermometer​

Answer 1

Answer:

ans a)A liquid crystal thermometer, temperature strip or plastic strip thermometer is a type of thermometer that contains heat-sensitive liquid crystals in a plastic strip that change colour to indicate different temperatures.

ansb)The optical pyrometer is a non-contact type temperature measuring device. ... The optical pyrometer is used for measuring the temperature of the furnaces, molten metals, and other overheated material or liquids.

ans c)A thermocouple is a device used to convert heat into electrical power. It measures the temperature difference between two points. Thermocouples are among the most widely used temperature sensors due to their wide availability and very low cost. Unfortunately, however, they are not the most accurate temperature readers.

ansd)A gas thermometer is a thermometer that measures temperature by the variation in volume or pressure of a gas.