TPC 318

Question 1

What is the weight of a 36 foot american standard I-beam designated S15 x 42.9? use the equation W = w/ft x L

Answer 1

1544.4 lbs

Question 2

If a sling leg is attached to a suspended load at an angle of less than 90 degrees, the horizontal force acting on the sling leg

Answer 2

Increases as the sling angle gets smaller

Question 3

If both ends of a sling are attached to the hoist hook and a load is suspended from the center of the sling, what hitch is being used?

Answer 3

Basket

Question 4

Which of the following hooks has a point designated to fit into a hole in the load?

Answer 4

Sorting hook

Question 5

A hook should be removed from service if

Answer 5

the tip is twisted from the unbent plane

Question 6

If the strands of a wire rope appear to spiral down to the right. and if the wires in the strands appear to be parallel to the rope axis, the wire rope is

Answer 6

Right regular lay

Question 7

If a wire rope is classified as 6 x 37, the figure 37 means that

Answer 7

Each strand of the rope contains a nominal 37 wires

Question 8

The following factors all affect wire rope strength. In which one is the D/d ratio important?

Answer 8

Bending over a curved surface

Question 9

Which of these wire rope end fittings is the most efficient (assuming all are prepared correctly)?

Answer 9

Speltered socket

Question 10

If a rigger finds that a wire rope sling is kinked, he should

Answer 10

Remove it from service

Question 11

Which of the following identifications would be most likely to appear on the links of a chain suitable for overhead lifting

Answer 11

800

Question 12

The specification for welded link chain that corresponds to a wire ropes rated load is called the chains

Answer 12

working load limit

Question 13

If an alloy steel chain sling has been subjected to temperatures over 1000 degrees

Answer 13

It should be removed from service

Question 14

There is a slot in one of the standard end fittings for metal mesh slings. It allows the sling to be used in a ____ hitch

Answer 14

Choker

Question 15

You should recommend removing a metal mesh sling from service if

Answer 15

One welded joint at the edge of the sling is broken

Question 16

The strongest and most popular of the synthetic fiber ropes is

Answer 16

Nylon

Question 17

To avoid sharp bending and abrasion, the eye of a fiber rope sling should include a

Answer 17

Thimble

Question 18

A fiber rope sling should be removed from service if it

Answer 18

shows kinking

Question 19

The rated load, or capacity, of an encased polyester sling is indicated by the

Answer 19

Color of the cover

Question 20

You should remove a synthetic web sling from service if

Answer 20

it is scorched

Question 21

A pocket wheel is part of an

Answer 21

Overhead manual chain hoist

Question 22

The purpose of an upper limit switch is to

Answer 22

Keep the load block from rising dangerously high

Question 23

The difference between top running and underhung cranes lies in

Answer 23

How the end trucks of the bridge beams are supported

Question 24

When a rigger lifts a load a few inches, then stops to see if the load drifts downward, what is he checking?

Answer 24

Hoist brakes

Question 25

Wire rope should be removed from hoist service if the rigger finds

Answer 25

Two broken wires at a socketed end fitting

Question 26

In a crane operation involving several people,

Answer 26

The operator must respond to a “stop” signal from anyone

Question 27

You should not use metal mesh slings

Answer 27

if the spirals do not move freely

Question 28

When working with floor operated hoists and cranes, you should make sure that

Answer 28

Obstructions can be cleared by the moving load

Question 29

One edge of the load serves as pivot during ___ turning

Answer 29

One-hook

Question 30

When should blocks or other holding devices placed at the location where a load will be set?

Answer 30

before the load is lifted

Question 31

The height of a movable sectional metal scaffold that measures 4 x 8 ft at the base should not exceed ___ ft.

Answer 31

16

Question 32

A hydraulic scissors lift of the larger type can safely support ___ workers and their equipment.

Answer 32

2

Question 33

Each worker on a suspended scaffold must wear a safety belt connected to a lifeline that is attached to

Answer 33

The structure being worked on

Question 34

When you secure a scaffold with guy wires, what accessories do you use to tighten the wires to the correct tension?

Answer 34

Turnbuckles

Question 35

A wooden ladder must NOT be coated with

Answer 35

Paint