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What is thermometry?

Thermometry The branch of heat relating to the measurement of the temperature of a body is called thermometry. The thermometer is an instrument used to measure the temperature of a body. The essential requisites of a thermometer are given as under:  1) Construction, 2) Calibration, and 3) Sensitiveness. For the construction of a thermometer, the proper choice of a substance, whose physical property varies uniformly with rising in temperature, is essential. 1) Construction The physical property of a substance plays an important role in the construction of a thermometer. In a mercury thermometer, the principle of expansion of mercury with rising temperature is used. The platinum resistance thermometer is based on the principle of the change in resistance with a change in temperature. The gas thermometer is based on the principle of change in volume or pressure with a change in temperature. 2) Calibration  When a thermometer is constructed, it should be properly calibrated. The standa

What is fein? What is FEIN? What is EIN?

What is fein?

FEIN full form Federal Employer Identification Numbers. this is often a nine-digit number assigned by the interior Revenue Service (IRS). Federal Employer Identification Numbers also are referred to as Employer Identification Numbers (EIN). 

A FEIN is structured like this: XX-XXXXXXX

Businesses within us are identified by their Federal Employer Identification Numbers (FEIN). 

There is no fee to use for this nine-digit number, which is exclusive for every business. Information and an application are available on the IRS website. it's important to notice that a business should only have one FEIN. 

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