Fittings

Question 1

Red

Answer 1

Fuel Star

Question 2

Orange and Blue

Answer 2

Pneumatics Chain

Question 3

Green

Answer 3

Breathing Oxygen Box

Question 4

Brown

Answer 4

Fire Protection Diamond

Question 5

Yellow and Blue

Answer 5

Hydraulic Circle

Question 6

Yellow

Answer 6

Lubrication Rotating Box

Question 7

Lines are used to

Answer 7

transmit fluids

Question 8

What are 2 piping categories

Answer 8

Rigid and Flexlines

Question 9

What are Rigid tubing used for

Answer 9

stationary applications. High strength to weight ratio ALUMINUM

Question 10

Rigid piping categories

Answer 10

1Low,2 medium, 3high

Question 11

Rigid tube diameter is determined by

Answer 11

outside diameter measured in 1/16

Question 12

To secure Rigid tubing you need

Answer 12

sleeve, nut, tube flare, fitting

Question 13

The devise plumbing will secure against

Answer 13

37 degree flare

Question 14

nuts thread onto

Answer 14

the fitting to pull sleeve and applies pressure behind the flare

Question 15

the sleeve

Answer 15

creates pressure on the backside of flare for sealing

Question 16

What can be used if the flare is leaking

Answer 16

Conicle seal

Question 17

Tube Bending parts

Answer 17

Lock Clip, slide Bar, Radius Block

Question 18

Rigid piping is bent using minimum bend radius and must

Answer 18

maintain minimum 75% original tube outside diameter

Question 19

Adel Clamps are used to

Answer 19

secure lines

Question 20

To help absorb stress from vibrations

Answer 20

tubing should have at least one bend

Question 21

What are flex lines used on

Answer 21

areas with moveable components

Question 22

Flex line parts

Answer 22

Lay Line, outer Layer, reinforcement layer, inner liner

Question 23

Inner Liner

Answer 23

carries content
most not be porous to hold the fluid
mist be compatible with fluid being xmited
must have smooth surface to reduce friction
must be flexible in all temperatures

Question 24

Reinforcement Layer

Answer 24

used for strength
made of cotton/ polyester fabric/ carbon steel or stainless steel braid
under high pressure reinforcement materials will expand in diameter and contract in length

Question 25

Outer Layer

Answer 25

protects line made of stainless steel braids or rubber impregnated fabric. fire resistant cover for fluid lines in areas with high temperature

Question 26

Diameter of flex lines

Answer 26

matured in 1/16

Question 27

4 Types of inner liners

Answer 27

Neoprene, Buna-N, Butyl and Teflon

Question 28

Neoprene

Answer 28

Synthetic rubber used with petroleum based fluids

Question 29

Buna-N

Answer 29

Synthetic rubber used to carry petroleum based fluids

Question 30

Butyl

Answer 30

Synthetic rubber used primarily for hydraulic fluids including skydrol

Question 31

Teflon

Answer 31

has large temperature range (-65 to +450) it is compatible with all fluids (petroleum and synthetic)

Question 32

Lay Line

Answer 32

consists of yellow, red or white stripe contains a MIL spec number contains Mfg name and or symbol

Question 33

bends which are too sharp

Answer 33

reduce the bursting pressure

Question 34

Flex lines should have ___% flex for expansion

Answer 34

5-8

Question 35

What is the torque equation

Answer 35

Tw=ta x l —— L x a

Question 36

What is tw

Answer 36

Indicated torque

Question 37

What is TA

Answer 37

Torque at fastener

Question 38

What is A

Answer 38

Length of adapter

Question 39

What is L

Answer 39

Length of torque wrench

Question 40

For low pressure lines strip the outer layer from the line

Answer 40

3/4 the length of the ferrule

Question 41

Flex hoses are clamped between

Answer 41

Socket and the nipple

Question 42

When the fabrication of the hose is completed there should be

Answer 42

1/32 -1/64 between the ferrule and the bottom of the nut