TPC 318

Question 1

A hook should be removed from service if

Answer 1

The tip is bent or twisted

Question 2

Determine the weight of a load consisting of 100 brass rods, 6 ft. long and 1.5 inches in diameter. (The weight per linear foot is 6.51 lb.)

Answer 2

3,906lbs

Question 3

If a rope has a breaking strength of 25,000 lb and the design factor of the sling is 5, what is the maximum allowable load they can lift?

Answer 3

5,000lbs

Question 4

A sling should not be attached to a load ____________ its center of gravity.

Answer 4

Below

Question 5

Which type of hook has a wide, deep throat to fit the handles on castings?

Answer 5

Foundry hook

Question 6

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

Answer 6

Each strand of the rope contains a nominal 37 wires

Question 7

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

Answer 7

Speltered socket

Question 8

The letters FC, as part of a wire rope designation, stand for

Answer 8

Fiber core

Question 9

Extra improved plow steel always has which type of core?

Answer 9

IWRC Independent wire rope core

Question 10

As a general rule, what are the minimum and maximum temperatures to which a wire rope sling maybe exposed and still maintain its strength?

Answer 10

-60/+400°F (-51/204°C)

Question 11

Corrosion on a wire rope usually indicates severe environmental conditions or a lack of

Answer 11

Lubrication

Question 12

Which of the following hitches cannot be made with a basic single-leg sling?

Answer 12

Basket

Question 13

The length of wire rope between loops or end fittings of braided wire-rope slings should be a minimum of __________ times the diameter of the component wire rope

Answer 13

40

Question 14

If an alloy steel chain sling has been subjected to temperatures over 1000° F (540° C)

Answer 14

It should be removed from service

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

A chain marked with the letter H is also known as grade

Answer 16

43

Question 17

The standard minimum design factor for metal-mesh slings is

Answer 17

5

Question 18

What is the maximum temperature at which a plastic-coated metal-mesh sling may be used?

Answer 18

200 f 93c

Question 19

The strongest and most popular of the synthetic-fiber ropes is

Answer 19

Nylon

Question 20

A fiber-rope sling should be removed from service if it shows

Answer 20

Kinking

Question 21

A splice of any type in a fiber rope reduces its strength by about

Answer 21

10%

Question 22

Before cutting a fiber rope, the ends should be ____________ to prevent fraying.

Answer 22

Whipped

Question 23

Synthetic webbing is spliced by

Answer 23

Stitching

Question 24

The purpose of an upper limit switch is to Keep the load block from

Answer 24

Rising dangerously high

Question 25

The process of passing a rope over the sheaves of a hoist to gain mechanical advantage is called

Answer 25

Reeving

Question 26

Overwrapping can throw a hoist’s stopping point out of adjustment if a ____________ limit switch is used.

Answer 26

Geared

Question 27

A top-running crane with a bridge beam supported on legs is called a ____________ crane.

Answer 27

Gantry

Question 28

You should not use metal-mesh slings

Answer 28

If the spirals do not move freely

Question 29

When working with floor-operated hoists and cranes, you should make sure that (the) obstructions can be avoided by

Answer 29

The moving load

Question 30

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

Answer 30

Before the load is lifted

Question 31

A lift in excess of rated capacity may be authorized for

Answer 31

A single lift

Question 32

In general, you should not use a hoist or crane to pull a load, but it is permissible if you

Answer 32

Attach a pulley block to the load

Question 33

Guardrails, midrails, and toeboards must be installed on all open sides of a scaffold _______ feet or more above the ground.

Answer 33

10

Question 34

A small scissors lift with a foot pedal usually has a maximum working height of about ________ ft.

Answer 34

20

Question 35

A single 16 ft portable ladder has a maximum working height of about ________

Answer 35

12