Conductive and Convective Heating Definitions

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What is the process by which heat is transferred from a hot object to another one with less heat by contact?

Specific heat

Conductive heating (correct)

Convective heating

Thermal conductivity

What does specific heat refer to?

The transfer of heat energy by means of convection current

The quantity of heat required to raise the temperature of a substance (correct)

The automating heating unit which holds low melting point wax

The ability of a given material to conduct/transfer heat

What is the unit of specific heat usually expressed in?

Liters per gram per Celsius degree

Calories or joules per gram per Celsius degree (correct)

Meters per second per gram per Celsius degree

Kilograms per joule per gram

What does thermal conductivity refer to?

The ability of a given material to conduct/transfer heat Signup and view all the answers

What is a hydrocollator used for?

Automatic heating unit which holds steam packs heated in water at a constant temperature ready for use Signup and view all the answers

What does heat exchange by conduction refer to?

Transfer of heat on molecular level affected by the transfer of kinetic energy during the collision of molecules Signup and view all the answers

What is the main factor that governs the speed at which heat will flow and cause a rise in temperature?

Thermal conductivity of the source and substance Signup and view all the answers

Which type of tissue conducts heat faster based on its water content?

Tissue with higher water content Signup and view all the answers

What is the specific heat of fat?

0.6 Signup and view all the answers

Which of the following is a source of conductive heating?

Paraffin wax baths Signup and view all the answers

What is the main function of a hydrocollator pack?

To produce a uniform and constant temperature to heat steam packs Signup and view all the answers

What property does the fabric envelope of a hydrocollator pack contain?

Silica gel which absorbs water and gives moist heat when heated Signup and view all the answers

How long do hydrocollator packs provide moist heat for?

30-40 minutes Signup and view all the answers

What is the purpose of using hot moist packs?

To give gentle moist heat for pain relief and relaxing spasmed muscles Signup and view all the answers

What is the weight range that the part selected to be treated must be able to tolerate when using hot moist packs?

500-800 grams Signup and view all the answers

How long can a hydrocollator pack retain its heat for?

30 minutes Signup and view all the answers

Conductive and Convective Heating Definitions

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