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Author Question: Which of the following methods of heat transfer requires no direct contact between the warmer and ... (Read 40 times)

silviawilliams41

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Which of the following methods of heat transfer requires no direct contact between the warmer and cooler substances?
 
  a. Conduction
  b. Convection
  c. Evaporation
  d. Radiation

Question 2

Which of the following is a good clinical example of using the principle of convection to transfer heat?
 
  a. Humidifiers with immersion heaters
  b. Heated, enclosed infant incubators
  c. Wire-heated pneumotachometers
  d. Heated ventilator exhalation valves



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jointhecircus

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Answer to Question 1

ANS: D
While conduction and convection require direct contact between two substances, radiant heat transfer occurs without direct physical contact.

Answer to Question 2

ANS: B
This is the principle behind forced-air heating in houses and convection heating in infant incuba-tors.




silviawilliams41

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Reply 2 on: Jul 16, 2018
Gracias!


adammoses97

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Reply 3 on: Yesterday
Excellent

 

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