Temperature Conversions and Heat Transfer

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Questions and Answers

What is the primary mode of heat transfer through which heat is transferred by the movement of fluids?

  • Seabreeze
  • Radiation
  • Conduction
  • Convection (correct)

Kelvin to Kelvin is a valid temperature conversion.

False (B)

What is the purpose of a thermo flask?

To keep liquids at a constant temperature

The process of heat transfer through direct contact between particles or molecules is called _______________.

<p>conduction</p> Signup and view all the answers

Match the following temperature scales with their conversion formulas:

<p>Kelvin to Fahrenheit = °F = (K - 273.15) × 1.8 + 32 Celsius to Fahrenheit = °F = °C × 1.8 + 32 Fahrenheit to Celsius = °C = (°F - 32) / 1.8</p> Signup and view all the answers

Which of the following is NOT a mode of heat transfer?

<p>Seabreeze (D)</p> Signup and view all the answers

Celsius to Fahrenheit is a valid temperature conversion.

<p>True (A)</p> Signup and view all the answers

What is the primary purpose of a thermo flask?

<p>To keep liquids at a constant temperature</p> Signup and view all the answers

The process of heat transfer through electromagnetic waves is called _______________________

<p>radiation</p> Signup and view all the answers

Match the following temperature scales with their conversion formulas:

<p>Kelvin = K = °C + 273.15 Fahrenheit = °F = (°C × 9/5) + 32 Celsius = °C = (°F - 32) × 5/9</p> Signup and view all the answers

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Study Notes

Temperature Conversions

  • Kelvin to Fahrenheit: formula and conversion method
  • Kelvin to Celsius: not applicable, as Kelvin is an absolute temperature scale
  • Celsius to Fahrenheit: formula and conversion method
  • Fahrenheit to Celsius: formula and conversion method

Heat Transfer Modes

  • Conduction: transfer of heat energy through direct contact between particles
  • Convection: transfer of heat energy through the movement of fluids
  • Radiation: transfer of heat energy through electromagnetic waves
  • Seabreeze: wind that blows from sea to land, cooling the air
  • Land breeze: wind that blows from land to sea, warming the air

Thermal Concepts

  • Thermo flask: vacuum-insulated container that minimizes heat transfer
  • Construction: importance of insulation and thermal bridges
  • Working: thermal principles in the design of buildings and devices
  • Thermal expansion: change in size or volume of a substance in response to temperature changes

Temperature Conversions

  • Kelvin to Fahrenheit: formula and conversion method
  • Kelvin to Celsius: not applicable, as Kelvin is an absolute temperature scale
  • Celsius to Fahrenheit: formula and conversion method
  • Fahrenheit to Celsius: formula and conversion method

Heat Transfer Modes

  • Conduction: transfer of heat energy through direct contact between particles
  • Convection: transfer of heat energy through the movement of fluids
  • Radiation: transfer of heat energy through electromagnetic waves
  • Seabreeze: wind that blows from sea to land, cooling the air
  • Land breeze: wind that blows from land to sea, warming the air

Thermal Concepts

  • Thermo flask: vacuum-insulated container that minimizes heat transfer
  • Construction: importance of insulation and thermal bridges
  • Working: thermal principles in the design of buildings and devices
  • Thermal expansion: change in size or volume of a substance in response to temperature changes

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