107.1 107.2 and safety 107

A 45º saddle is to be made in 11/4" EMT and must pass over a pipe with a 2-inch diameter. The EMT must go over the 2" pipe with a 1/4-inch clearance. You should make a mark on the EMT at ___ inches to the left of Point 2 as shown in Figure 106.25.

(2.25)(2.5) = 5.625 = 5 6.75/ 16 = 55/8 The correct answer is: 5 5/8

Refer to Figure 106.22. If a 9-inch 221/2º offset is made, the conduit will "shrink" ___ inches between the box and the obstruction.

(9)( 3/ 16) = 1 11/16

Refer to Figure 106.22. To make a 9-inch 30º offset, the distance between Points 1 & 2 that you will mark on the conduit is ___ inches.

(9)(2.0) = 18

The multiplier for a 45-degree offset is ___.

1.4

Starting with the 10' stick of ¾" EMT shown in Figure 106.23, you will bend a stub 90 from Point 1 that is 195/8" long. You marked 195/8" on the EMT at Point 3. You should make another mark at Point ___ that is ___" from Point 3.

2 6 "

Refer to Figure 106.25. When making a 45º saddle, the total shrinkage of the conduit (left-of-center + right-of-center) is ___ inches per inch of saddle depth.

3/8

To get a 40-inch long 90º stub-up in 1-inch EMT, you will place the bender arrow at ___ inches from the measured end of the conduit.

32

Figure 106.26 shows a 30º 4-point saddle. The width of the obstruction is 9" and the height is 5". The distance between the Panel and the obstruction is 42 inches. You will make a mark on the conduit so that the mark at Point 2 is ___" from the left end of the conduit.

42 + (5)( 1/ 4) = 43 1/4

Refer to Figure 106.22. If a 221/2º offset is made, there are ___ degrees of bend in the conduit.

45º

The multiplier for a 10-degree offset is ___.

6

Refer to Figure 106.22. If a 60º offset is to be made, the conduit will be bent ___ at Point 2.

60º

Starting with the stick of 3/4" EMT shown below, you need to make a stub 90° bend from Point Z that is 111" long. To make this bend, you place the EMT in your bender with the hook toward Point V. The ___ point on the bender should be placed on Point ___.

X

The common name for a U-shaped 90-degree bend with a straight section of conduit between the bends is a ___ bend.

back-to-back

The type of bend used to travel over, under, or around objects (piping, air ducts, etc), and return to the original elevation or position is a(n) ___.

either of these

Point X in Figure 106.11 is identified as the ___.

hook

A(n) ___ consists of two bends, usually having the same degree of bend, made to avoid an obstruction blocking the run of pipe.

offset

If a heavy load consists of two bundles, it is better to carry these ___.

one in each hand

Point Y in Figure 106.11 is identified as the ___.

star

The mark on a bender that is used to make a second (back-to-back) 90-degree bend is the ___.

star

Refer to Figure 106.27. To make the length = 113", you should place the bender's ___ mark at Point 1 with the hook end of the bender toward the ___ end of the conduit.

star right

When lifting, the power zone is located on your body between ___.

the middle of your thighs and the middle of your chest

Pushing a load generally takes less effort than pulling it.

true