56months

Question 1

High speed low cost method of forming intricate parts is called

Answer 1

Injection molding

Question 2

In laminar flow the fluid moves in layers___to the pipe

Answer 2

Parallel

Question 3

Plastics that can be reheated and re-shaped many times are called space___

Answer 3

Thermoplastics

Question 4

Filament winding Consist of winding a continuous strand of resin coated glass fiber around a special form called a _________

Answer 4

Mandrel

Question 5

When patching clean both sides of the material with___ To remove oil’s and dirt

Answer 5

Solvent

Question 6

Elastomers have the ability to be stretched to at least twice their original link and then return rapidly to _____

Answer 6

Their original shape

Question 7

Chemicals called____reduce deterioration caused by oxidation

Answer 7

Antioxidants

Question 8

This class of rubber resist damage by extreme high and low temperatures

R?
S?
T?

Answer 8

T

Question 9

Most rubber compounds can be ______

Answer 9

Burned

Question 10

Measurements of wood called_____feet referred to the actual length of the board

Answer 10

Running

Question 11

Lumber is normally sold by the___foot

Answer 11

Board

Question 12

Knows are _____ points in wood

Answer 12

Weak

Question 13

In softwoods the pilot hole should only be ______ as deep is the length of the screw

Answer 13

Have

Question 14

Type N is a _____ strength Mortar used for expose masonry above ground level and for chimneys and exterior wall subject to severe exposure it is also used for exposed and____-bearing clay tiles construction

Answer 14

Medium

Load

Question 15

In small patching jobs,______ of _______is used because it sets very quickly

Answer 15

Plaster of Paris

Question 16

To determine correct glass size for a window pane, measure the sash and deduct ______ “ to ______”

Answer 16

1/16” to 1/8”

Question 17

An asphalt coating serves as a ________ _____ On the outside of underground or basement walls

Answer 17

Moisture barrier

Question 18

The liquid part of a paint is called the______because it binds the pigment particles into a uniform film

Answer 18

Vehicle

Question 19

The single most important factor for success in applying a protective coating is?

Answer 19

Surface preparation

Question 20

______ ________ Clean the service to the bare metal. It completely removes all scale and corrosion and creates the best anchor pattern

Answer 20

White blasting

Question 21

In ________ And Oxsee acetylene flame melts the zinc and sprays it onto the subtrate

Answer 21

Metalizing

Question 22

________ acid Is used for removing hard water deposits in heating and cooling systems

Answer 22

Sulfamic

Question 23

_________ lubricants Are used in aircraft engines or high-pressure steam turbines because they offer more heat and fire resistance than petroleum based oils

Answer 23

Synthetic

Question 24

___________ Prevent scale and piping systems and boilers

Answer 24

Sequestriants

Question 25

For fighting class C chemical is for what type of fire?

Answer 25

Live electrical equipment and wiring

Question 26

Water soluble gums and starches from plants are made into natural vegetable Glues called

Answer 26

Mucilage

Question 27

The highest strength adhesive type joint is called the ________-_______ joint

Answer 27

Bevel-Lap

Question 28

High temperature tape’s Coated with flouro-carbon or silicone adhesives ar used where service conditions include ________ temperatures

Answer 28

High

Question 29

________ Is an excellent insulator of electricity

Answer 29

Rubber/Vinyl