The formula for determining the static available for the duct ...

[Lobcity]

The formula for determining the static available for the duct system is:
 
  A) Available duct static = total available static - total fixed static losses.
  B) Available duct static = total fixed static losses.
  C) Available duct static = 0.15 to 0.2 in WC.
  D) Total available duct static = 0.1 in WC.

Question 2

How is the water flow in a hydronic heating system checked?
 
  A) By measuring the impeller RPM using a stroboscope
  B) By measuring the pressure drop across the water pump and comparing it to a pumping performance chart
  C) By measuring the amp draw of the pump motor and applying the formula gp = amps  1.73
  D) By measuring the pump motor RPM using a digital tachometer

[emsimon14]

Answer to Question 1

A

Answer to Question 2

B

[Lobcity]

TYSM

[fatboyy09]

Gracias!