You can get a Plan Review by an architect at the Fire Marshalâs Office, and they have satellite offices all over the state.
Primary flow element. A primary flow element is the element of a flow meter that serves to indicate the quantity or velocity of flow. For example, in the case of an orifice flow meter, the differential pressure across the orifice plate is the primary flow element.
The primary instruments are the ones that give you the numerical value that you're trying to hold constant. Trying to do a constant-airspeed climb, the primary pitch instrument is the airspeed indicator. Trying to do straight and level, primary for pitch is altimeter and primary for bank is heading indicator.