What is the total available static pressure for the ductwork in a ...

[debasdf]

What is the total available static pressure for the ductwork in a system with the following specifications?
 
  Blower: 0.6 WC total external static at design airflow
  Evaporator Coil: 0.25 in WC static pressure drop at design airflow
  Filter: 0.15 in WC static pressure drop at design airflow
  Registers and Grills: 0.05 WC static pressure drop at design airflow
 
  A) 0.15 in WC available static pressure B) 10 in WC available static pressure
  C) 0.6 in WC available static pressure D) 0.25 in WC available static pressure

Question 2

As an operational safety check, the equipment rooms for combustion appliances should be checked for high:
 
  A) Carbon dioxide levels. B) Nitrogen levels.
  C) Carbon monoxide levels. D) Oxygen levels.

[moormoney]

Answer to Question 1

A

Answer to Question 2

C

[debasdf]

Excellent

[juliaf]

Thanks for the timely response, appreciate it