Study Guide 5

Question 1

1) A tag line is used :

A, To mark the grade of steel.
B, As an extra precaution when lifting any rebar load.
C, When lifting or hoisting bundles in a congested area.
D, As a spreader bar.

Answer 1

C, When lifting or hoisting bundles in a congested area.

Question 2

2) Fiber rope is most commonly used for tag lines.

True or False

Answer 2

True

Question 3

3) Slings are used to hoist bundles of rebar. The sling should be made of wire rope not less then _________ inches in diameter.

A, 1/4”
B, 3/8”
C, 1/2”
D, 5/8”

Answer 3

C, 1/2”

Question 4

4) When a sling is attached so that the wire rope encircling the load is self-tightening, it is known as a:

A, Bridle.
C, Choker.
C, Shackle.
D, Hitch.

Answer 4

C, Choker.

Question 5

5) For bundles of bars under 30’ feet in length a ___________ hook-up of two sling is most commonly used.

A, Bridle.
B, Choker.
C, Shackle.
D, Hitch.

Answer 5

A, Bridle.

Question 6

6) The only correct method of attaching u-bolt wire rope clips to rope.

A, The base clips bear against the dead end of the rope, while the “u” of the bolt presses against the live end.

B, The base clips bear against the live end of the rope, while the “u” of the bolt presses against the dead end.

C, The dead end of rope presses against the “u” of the bolt which presses against the live end of the rope.

D, The live end of the rope presses against the the “u” of the bolt which presses against the dead end of the rope.

Answer 6

B, The base clips bear against the live end of the rope, while the “u” of the bolt presses against the dead end.

My note: Never saddle a dead horse.

Question 7

7*) The clips are usually spaced about ________ rope diameters apart to given adequate holding power.

A, 2
B, 4
C, 6
D, 8

Answer 7

*C, 6 Rope diameters.

Note: The number of clips used is a minimum of 3

Question 8

8) Refer to crane signals section:

Answer 8

Refer to crane signals section:

Question 9

9) Refer to crane signals section:

Answer 9

Refer to crane signals section:

Question 10

10*) How many strands are in a standard post tension cable:

A, 4
B, 6
C, 7
D, 8

Answer 10

*C, 7

Note: Same for pre-stressing; The common diameter size is one-quarter to one-half inch.