Hydronics 2

Card Set Information

Author:
TWilson88
ID:
276288
Filename:
Hydronics 2
Updated:
2014-06-07 15:24:00
Tags:
Hydronics
Folders:

Description:
Questions that will be on the test
Show Answers:

Home > Flashcards > Print Preview

The flashcards below were created by user TWilson88 on FreezingBlue Flashcards. What would you like to do?


  1. A hydronic heating system can be used to heat domestic hot water.

    True or False
    True
  2. A compression tank is not necessary in a system if a pressure reducing valve is used.

    True or False
    False
  3. Plug a relief valve if it continues to drip.

    True or False
    False
  4. Water temperatures in a closed hydronic heating system do not affect the sizes of radiation and piping.

    True or False
    False
  5. The Btuh of a boiler can be increased by raising the boiler water temperature.

    True or False
    False
  6. The Btuh carrying capacity of a pipe decreases as the velocity of water in that pipe increases.

    True or False
    False
  7. Static pressure has no effect on pump operation in a closed system

    True or False
    False
  8. A milinich is a measure of temperature.

    True or False
    False
  9. Cast iron baseboard is not recommended for residential use.

    True or False
    False
  10. Pressure drop through a convector does not affect the size of its piping connections.

    True or False
    False
  11. As the water temperature from a boiler becomes greater, the heating output of the radiation becomes greater.

    True or False
    True
  12. Cast-iron radiant baseboards function similar to a radiant convector.

    True or False
    True
  13. Pressure drop through a convector does not affect the size of its piping connections.

    True or False
    False
  14. As the water temperature from a boiler becomes greater, the heating output of the radiation becomes greater.

    True or False
    True
  15. Cast-iron radiant baseboards function similar to a radiant convector.

    True or False
    True
  16. The boiler (gross) input is sized to the heat loss of the building.

    True or False
    False
  17. Balancing valves are not necessary on multi-circuit systems.

    True or False
    False
  18. The length of a pipe circuit does not affect its size.

    True or False
    False
  19. Each complete circuit must be measured to determine which is longest.

    True or False
    True
  20. In a hot water heating system, it is not necessary to take piping expansion into consideration.

    True or False
    False
  21. Main and circuit sizes should be reduced by means of eccentric fittings.

    True or False
    True
  22. Balancing valves are used to control the flow of water to provide equal distribution of heat in a radiant panel system.

    True or False
    True
  23. The pressure in a compression tank changes continually.

    True or False
    True
  24. The available pump head per foot of pipe is usually expressed in ___ per foot.

    (As is)
    miliniches
  25. The water in air is called ___
    water vapor
  26. The pressure exerted by water vapor is termed ___
    Vapor pressure
  27. Water at atmospheric pressure boils at a constant temperature of ___ at sea level.
    212 degrees F
  28. A room cooling unit removes ___ and ___ from the air
    heat, moisture
  29. It is strongly recommended as the best engineering practice that the package liquid cooler be set on a ___ foundation at least ___ the weight of the unit.
    concrete, 2 1/2 times
  30. In laying out the piping system for chilled water, careful attention must be given to __ conditions and to the sizing of the ___.
    Pressure drop, chilled water pump
  31. Water supply lines sizes should be at lease the ___ of the regulating valve.
    full size
  32. All high-efficiency boilers must conform to the latest edition of the ASME ___, Section IV.
    Boiler & pressure vessel code
  33. clearances for a boiler are based on the location and of ___ system used on the installation.
    type of venting
  34. Direct vent boilers may be installed with either a ___ side wall vent cap or a ___ roof top vent cap.
    Horizontal, Vertical
  35. When filling a heating system with water, open the ___ on the boiler until a steady flow of water is observed to be sure the boiler is not air bound.
    Pressure relief valve

What would you like to do?

Home > Flashcards > Print Preview