2020-2021

Question 1

Approximately ______% of all fall-related injuries in steel erection operations are related to the placement, handling and attachment of steel decking.

Answer 1

60

Question 2

If bundles are opened and must be left overnight or for any length of time, make sure that they are_____.

Answer 2

Tied down to the structure

Question 3

Powder-actuated tools work like____and ironworkers who use them must have and carry on the specific certifications.

Answer 3

Loaded guns

Question 4

Which of the following sheeting systems is the most complicated to install?

Answer 4

Multi-component field-assembled system sheeting

Question 5

A distinction between shaking out floor decking and shaking out roof sheeting is that______.

Answer 5

The numbering system used to identify floors does not apply when shaking out roof sheeting.

Question 6

Any moisture that is allowed to accumulate on stored sheeting may cause_____.

Answer 6

Discoloration or damage to the sheeting

Question 7

The two types of Aerial lifts commonly used in the installation of sheeting are the____type and the articulating boom type.

Answer 7

Scissor

Question 8

If there are no access points(window opening,etc)along various elevations of the wall, the sheets are delivered to the ironworkers installing the sheeting by_____.

Answer 8

Hoisting

Question 9

Which of the following will produce hundreds or even thousands of small, crescent-shaped pieces of waste material, even with one cut?

Answer 9

Nibbler

Question 10

The first bridges, including those well into the 19th century, were likely constructed of______.

Answer 10

Wooden planks

Question 11

Which of the following is the longest-lasting bridge material

Answer 11

Stone

Question 12

The weight of a bridge itself is known as_____load.

Answer 12

Static

Question 13

If you place a timber between two supports, making a “beam bridge,” the top of the timber is in compression, but the bottom is in.

Answer 13

Tension

Question 14

The span of a bridge is the distance_______.

Answer 14

Between bridge supports

Question 15

Any bridge that is supported by abutments alone is a_______span.

Answer 15

Simple

Question 16

A span that is supported not at the ends but toward the center of the bridge truss is a______span.

Answer 16

Cantilever

Question 17

Most of the bridges built by ironworkers are____bridges.

Answer 17

Beam

Question 18

I-beams welded together for the vertical web and horizontal flanges of the beam create a____girder.

Answer 18

Plate

Question 19

A deck-type bridge is a____bridge.

Answer 19

Girder

Question 20

When erecting a bridge, what must happen before anything is moved into the area?

Answer 20

The construction site is cleared of all trees and vegetation

Question 21

Unloading, shaking out, and storing materials for bridges is done in much the same manner as for any other structure except_____.

Answer 21

Pieces may be transported to the job site by barge

Question 22

Which of the following types of towers is a tower in its most simplified form, is usually smaller in height than the other two types of towers, and is polygon shape?

Answer 22

Monopole tower

Question 23

Towers that carry power lines to substations are______.

Answer 23

Electric transmission line towers

Question 24

Communication towers approach____feet in height

Answer 24

2000

Question 25

The support for transmission lines from the communications building to the tower is called a(n)

Answer 25

Ice bridge

Question 26

Wind turbines generate electrical power using______.

Answer 26

Zero-emission technology

Question 27

An advantage of a vertical-axis wind turbine’s main rotor shaft running vertically is____.

Answer 27

The turbine does not need to be pointed into the wind

Question 28

Over the last fifty years, how many blades have wind turbines almost universally used?

Answer 28

2 or 3

Question 29

The tip speed ratio between the speed of the_____and the tips of the blades.

Answer 29

Wind

Question 30

It sometimes necessary to bring a turbine to a full stop_____.

Answer 30

To enable maintenance

Question 31

The two basic types of foundations used to support wind turbines are: spread footing and_____.

Answer 31

Casing

Question 32

When a clear span is within the building itself and extends vertically for several floors, the area is generally referred to as a(n)____.

Answer 32

Atrium

Question 33

When two or more pieces are hoisted and erected together, the pieces are_____.

Answer 33

Set in tandem

Question 34

Why are modular structures desirable for structures needed at industrial sites?

Answer 34

Most industrial sites have strict regulations regarding welding burning, etc.

Question 35

In the United States, the first commercially-built roller coaster was the ____.

Answer 35

Switch-back railway

Question 36

Once a ride had been thoroughly inspected, it is operated through _____complete cycle(s) of proper functioning before being opened to the public.

Answer 36

One

Question 37

FRP bridge decks typically weigh____% less than cast in place concrete decks.

Answer 37

80

Question 38

When sawing or cutting composite materials and the part edges begin to fray or turn black, you should________.

Answer 38

Slow the cutting speed

Question 39

When drilling large quantities of composite materials, carbide tipped drills are recommended over standard high speed steel drill bits because standard high speed steel drill bits_______.

Answer 39

Require frequent sharpening

Question 40

What kind of router is typically used to perform quick, highly repetitive standard routing operations?

Answer 40

Cnc

Question 41

The strongest joint between pieces of composite shapes is obtained by _______.

Answer 41

Using a combination of properly fixed bolts with adhesives applied to the surfaces

Question 42

If peel stresses cannot be avoided, an adhesive joint must be ______

Answer 42

Supplemented with a mechanical fastener or should be taped

Question 43

When using composites, catalyzed resins, acrylic lacquers and polyester, epoxy, polyurethane, or oil-based paints can all be used as ______.

Answer 43

Sealants

Question 44

If the surface of a composite structural shape has been drilled, but, pinched, sanded or otherwise broken to expose the glass reinforcement, the surface must be _____.

Answer 44

Resin-sealed

Question 45

If a composite material is burned, the smoke released through burning may _____.

Answer 45

Be hazardous if inhaled

Question 46

One way to fill a mislocated hole in a composite material is through bolting. The first step to fill a hole this way is to ______.

Answer 46

Drill the hole to the nearest tap size