Rectangular elbows are used when Rectangular ductwork must change direction either horizontally or vertically true or false?
True
Long way elbows refers to?
The cheek having a larger dimension than the runner
Short way elbows refers to?
The cheek having a shorter dimension than the runner
Raw edge connection requires that no allowance is added to the completed pattern true or false?
True
How many different cleats does a slip and drive connection use?
2
Standing drive connections are primarily used where?
On larger duct