Round Reducing Branches

Question 1

Where are Y round branches used

Answer 1

Dust collection

Question 2

Why are frictional losses low

Answer 2

Because the fitting is circular

Question 3

Major axis is taken from where

Answer 3

Baseline to the crotch

Question 4

Round reducing branch has one primary opening and what

Answer 4

Two secondary openings

Question 5

Chord offsets are subtracting a when

Answer 5

Triangulating around reducing

Question 6

Can half pattern on the centre round Y branch have inside and outside pattern

Answer 6

Yes

Question 7

The croch mitre plan is developed from

Answer 7

Major and minor axis

Question 8

The Eclips is developed with

Answer 8

Minor and major axis

Question 9

Tangent line method can be used for what fitting

Answer 9

Round reducing offset

Question 10

Centreline method can be used when

Answer 10

Both gores are given

Question 11

Can Workline be developed from either collar 

Answer 11

Yes

Question 12

The numbered points on the plan views are

Answer 12

Projection lines to collar

Question 13

Or the callers developed mitres used to the body

Answer 13

Yes

Question 14

Angles must developed first for mitre line on reducing round elbow

Answer 14

True

Question 15

Angle formula

Answer 15

Angle / (2 xpieces -2)

Question 16

Where do you start numbering the openings

Answer 16

Small one first odd numbers

Question 17

What development is used for fitting

Answer 17

Parallel and triangulation

Question 18

When subtracting chord offset you must work from

Answer 18

Outside in