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Author Question: Calculate the heat loss for a concrete slab on grade floor for a room with the following ... (Read 26 times)

joe

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on: Jul 26, 2018
Calculate the heat loss for a concrete slab on grade floor for a room with the following specifications: 10 foot by 15 foot bed room on corner of house 2 sides exposed HTM of 40
 
  What will be an ideal response?

Question 2

What is the difference between pressure relief valves, rupture disks, and fusible plugs?
 
  What will be an ideal response?


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kingfahad97

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Reply #1 on: Jul 26, 2018
Answer to Question 1

First add the exposed lengths 10 + 15 = 25 feet exposed

Next, multiply the exposed length times the HTM 25 x 40 = 1000 Btuh Note: this HTM is based on linear feet of exposure, NOT square feet of area

Answer to Question 2

Safety relief valves may be set to relieve back to the low side of the system or through escape piping safely to atmosphere. They will re-seat when the pressure returns to a safe level. Rupture disks are one-time failure devices

that release the refrigerant upon excessive pressure. Fusible plugs melt at a set temperature and will release the refrigerant as a one-time failure device.


joe

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Reply #2 on: Jul 26, 2018
TY


kingfahad97

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Reply #3 on: Jul 26, 2018
You're welcome


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