Cladding And Lagging 4th Year

Question 1

Provide the primary purpose for cladding and lagging

Answer 1

It’s to protect the insulation beneath it

Question 2

Which material is used for high temperature or fire protection?

Answer 2

Stainless steel jacketing or sheets

Question 3

Can cladding materials reduce noise levels?

Answer 3

yes

Question 4

What is the most common material used?

Answer 4

Aluminum

Question 5

A good choice of materials used to protect against chemical attack would be?

Answer 5

Stainless steel

Question 6

Why is muffle jacket used?

Answer 6

to lower sound levels

Question 7

Name two types of end caps used.

Answer 7

The crimp type end cap, lock form type end cap.

Question 8

S-clips do what?

Answer 8

Are used to support sheeting or piping, to maintain a set space between them.

Question 9

What is used to support the banding between sheets from sliding?

Answer 9

Tear drops

Question 10

Banding is only made of galvanized iron. True or false?

Answer 10

false

Question 11

Expansion springs should have a maximum spacing of ___?

Answer 11

50 feet of banding

Question 12

What is the better choice of fasteners,rivets or screws?

Answer 12

Rivets

Question 13

Fasteners should be made of the_______ as the material used.

Answer 13

same

Question 14

The thickness of material used is required to meet industry standards. true or false?

Answer 14

True

Question 15

Provide the lap allowance for both pipe and equipment.

Answer 15

Minimum of 2” (50mm)

Question 16

The prevailing winds will have an effect on the position of the lap seams. true or false?

Answer 16

yes

Question 17

Should the cladding be sealed?

Answer 17

The decision to seal cladding depends on several factors, including the type of cladding material, the location of the cladding, and the climate in the area. In general, cladding may be sealed to protect it from weathering, moisture, and other environmental factors that can degrade the material and impact its performance.

Question 18

What is the position of the lap seam on pipe?

Answer 18

All laps should be positioned so that the concealed side of the lap is positioned away from the prevailing winds.

Question 19

Vertical piping should overlap one another by at least_____?

Answer 19

2” (50mm)

Question 20

Can end caps be made in two pieces?

Answer 20

yes

Question 21

Which end caps are used on large applications?

Answer 21

lock form end cap type

Question 22

What is a callout size?

Question 23

Provide the angle and crimp allowance for bevels.

Answer 23

Bevels are cut at 45 degree where the insulation ends , allowance for small bevels is 1/2’’ and 3/4’’ crimp allowance for large bevels

Question 24

What method of layout is used for a domed end vessel?

Answer 24

Parallel

Question 25

The oblique cylinder 1/2 pattern curved stretch out equals 1/2 the cylinders mitered : a)diameter b) circumference c) radius d) cross section

Answer 25

b) Circumference .