When there is an elbow in fiberglass duct, a hanger must be placed within _____

a. 12 inches of the elbow throat
b. 12 inches of the connection to the straight duct
c. 18 inches of the elbow throat
d. 18 inches of the connection to the straight duct


a

Trades & Technology

You might also like to view...

What is single-wrap roping?

What will be an ideal response?

Trades & Technology

The basic principle is to match the crops to be grown to the soil's capacity

Indicate whether the statement is true or false

Trades & Technology

How can a rollover mitigation system reduce tire friction with the road?

What will be an ideal response?

Trades & Technology

The shift bar housing uses this device to stop the transmission from jumping out of gear

a. snap ring b. spring loaded detent c. magnet d. solenoid

Trades & Technology