Introduction to Heat Transfer and Heat Capacity
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Questions and Answers

What is the heat capacity (C) of a body?

  • The amount of heat needed to raise its temperature by two degrees Celsius
  • Ratio of the quantity of heat supplied to a body to its corresponding temperature rise (correct)
  • The ratio of the quantity of heat to the body's mass
  • The quantity of heat needed to raise the temperature of 1 gram of any material by 1 degree Celsius

What is the quantity of heat needed to raise the temperature of 1 gram of water by 1 degree Celsius?

  • 14.5 joules
  • 15.5 joules
  • 6.0 joules
  • 4.2 joules (correct)

What is specific heat capacity?

  • The amount of energy emitted in discrete packets of quanta
  • The ratio of the quantity of heat to the body's mass
  • The quantity of heat needed to raise the temperature of 1 gram of water by 1 degree Celsius
  • The quantity of heat needed to raise the temperature of any material by one degree Celsius (correct)

What do electromagnetic waves consist of?

<p>Transverse electric and transverse magnetic fields (D)</p> Signup and view all the answers

What is a photon?

<p>A quantum of electromagnetic radiation (A)</p> Signup and view all the answers

How is the energy of a photon calculated?

<p>$E = hu$ where $h$ is Planck constant and $u$ is frequency (C)</p> Signup and view all the answers

What is hyperemia?

<p>An increased content of blood in a part with distention of blood vessels (D)</p> Signup and view all the answers

What is the predominant form of radiation in man's natural environment?

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

What is the main aim of thermal therapy in modern clinical treatments?

<p>To modify tissue temperature in a targeted region over time to compel a desired biological response (C)</p> Signup and view all the answers

What is hyperthermia categorized into?

<p>Long-term low-temperature hyperthermia and moderate-temperature hyperthermia (B)</p> Signup and view all the answers

What is thermal ablation also known as?

<p>High-temperature hyperthermia (B)</p> Signup and view all the answers

What does laser-induced thermal therapy (LITT) aim to do?

<p>Deliver therapy due to the interstitially placed high-power lasers in the tumor (D)</p> Signup and view all the answers

What is the anatomical structure of skin tissue considered as?

<p>A multilayered structure consisting of epidermis, dermis, and fat layers (C)</p> Signup and view all the answers

What does thermal energy lead to inside tissue?

<p>Vibration of molecules and emission of electromagnetic waves (A)</p> Signup and view all the answers

What are the two techniques emphasized in thermal therapy?

<p>Hyperthermia and thermal ablation (B)</p> Signup and view all the answers

What is denaturation?

<p>The alteration of the characteristics of an organic substance, especially protein, by chemical or physical action (D)</p> Signup and view all the answers

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