The unit of measurement for the porosity of fabric duct is _____

a. cfm/ft2 of surface area
b. cfh/ft2 of surface area
c. cfm/lineal foot of duct material
d. cfh/lineal foot of duct material


a

Trades & Technology

You might also like to view...

Define flatness tolerance.

What will be an ideal response?

Trades & Technology

What is a No. 4 sieve? A No. 50 sieve?

What will be an ideal response?

Trades & Technology

____________________ is the mating of unrelated animal families within the same breed

Fill in the blank(s) with the appropriate word(s).

Trades & Technology

Derive the complete set of differential equations describing the relay shown in Figure P18.44.


Find:
Derive the differential equations.

Assumptions:
The inductance is a function of
The iron reluctance is negligible

Trades & Technology