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tameeka314 tameeka314
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6 years ago
In a radiant floor-heating system, the terminal device(s) is commonly _____.
 
  a. a convector
  b. a unit heater
  c. a radiator
  d. plastic tubing


[Ques. 2] Boiler water temperature is typically controlled by a(n) _____.
 
  a. aquastat
  b. thermostat
  c. limit switch
  d. bi-metal dis


[Ques. 3] A condensing boiler burner is typically vented by way of _____.
 
  a. a masonry chimney
  b. Type B vent pipe
  c. Schedule 40 PVC pipe
  d. a lined masonry chimney


[Ques. 4] In a forced hot-water heating system, the thermal circulation of water is prevented by _____.
 
  a. using small diameter water return lines
  b. using large diameter water return lines
  c. isolating the circulating pump
  d. placing a check valve in the water return line


[Ques. 5] In a given length of pipe, if the flow rate in gallons per minute (gpm) is doubled, pressure drop _____.
 
  a. stays the same
  b. doubles
  c. quadruples
  d. increases slightly
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EspressoEspresso
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6 years ago
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tameeka314 Author
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#2
6 years ago
TY
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6 years ago
My pleasure
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