WorksheetsModule 26204 — Conduit Bending Worksheet Questions
Total questions: 15
Worksheet time: 8mins
Which of the following best describes an offset in a conduit run?
Two 45° bends to change direction by 90°
A series of small bends used to create one large-radius bend
Two equal bends to avoid an obstruction
Two 90° bends in the same direction to change direction by 180°
The maximum number of 90° bends allowed between pull points in a conduit system is ____.
two
three
four
one
A saddle bend is counted as ____.
120°
60° to 180°, depending on the type of bends
90°
180°
Saddles and offsets typically have the same number of bends.
True
False
When referring to the two bends required to make an offset in a length of conduit, which of the following is always true?
The degree of bend for each must be exactly 30°.
The degree of bend for each must be unequal.
The degree of bend for each must be equal.
The degree of bend for each must be exactly 45°.
You are making a concentric bend and the radius of the first bend is 16", the OD of the first conduit is 2", and the spacing between runs is 3". What is the radius of the second bend?
19"
21"
18"
16"
A saddle to cross a 3" pipe requires ____.
five bends
two bends
four bends
three bends
Which of the following formulas should be used to find the side adjacent?
Cosine = A ÷ H
Sine = O × H
Cosine = A × H
Sine = O ÷ H
You are making a 20" offset with two 30° bends. The distance between bends is ____.
50"
10"
15"
40"
An important safety precaution to use when working with PVC conduit is to ____.
never wear gloves that may adhere to the joint cement
use PVC lengths of not more than 8'
provide proper ventilation to avoid fumes from the joint cement
use inside diameters of 4" or less
The fractional equivalent of the decimal 0.015625 is ____.
3/64
1/32
1/16
1/64
To prevent flattening when bending large-diameter PVC pipe, use ____.
a higher temperature
sand fill
water fill
plugs and air pressure
The equation used to calculate the circumference of a circle is ____.
C=πr2
C=πr
C=2πr
C=π2
Two or more parallel bends that are bent in the same direction are known as ____.
concentric bends
axial bends
stubs
perpendicular bends
The reason for making a saddle bend in a run of conduit is to ____.
cross a small obstacle
change direction in the height of a conduit run
make a 90° bend
make a conduit termination in an outlet box
