NEW
Font size
S
M
L
XL
Worksheets143 S15 Bonding
Total questions: 20
Worksheet time: 2hrs 40mins
Name
Class
Date
1.
What is the primary definition of bonding?
a)
a) Connecting wires to a power source
b)
b) The permanent joining of metallic parts to form an electrically conductive path
c)
c) Separating electrical circuits
d)
d) Insulating electrical components
2.
What is the main purpose of bonding?
a)
a) To increase electrical resistance
b)
b) To form a non-conductive path
c)
c) To ensure electrical continuity and safety
d)
d) To disconnect circuits
3.
What is the first main reason for bonding?
a)
a) To reduce power consumption
b)
b) For personal safety
c)
c) To increase voltage
d)
d) For aesthetic purposes
4.
How does bonding prevent electric shock?
a)
a) By increasing resistance
b)
b) By disconnecting the power supply
c)
c) By making a very large current flow that triggers overcurrent protection devices
d)
d) By using non-conductive materials
5.
What is the second main reason for bonding?
a)
a) To save energy
b)
b) To prevent fire or explosion
c)
c) To increase current flow
d)
d) To decrease electrical potential
6.
What environments are at higher risk of sparks or static buildup?
a)
a) Residential areas
b)
b) Agricultural fields
c)
c) Oil or chemical industry
d)
d) Educational institutions
7.
What effect does bonding have on electrical potential between parts?
a)
a) Increases potential difference
b)
b) Allows current flow between parts
c)
c) Ensures the same potential, preventing current flow
d)
d) Disconnects all parts
8.
Which items may need to be bonded in an installation?
a)
a) Only electrical cables
b)
b) All metallic items like pipework, equipment casings, and cable containment
c)
c) Plastic components
d)
d) Wooden structures
9.
What is the primary benefit of bonding?
a)
a) Increasing electrical potential
b)
b) Reducing current flow and preventing electrical shock
c)
c) Enhancing current flow
d)
d) Decreasing system efficiency
10.
What does bonding not protect against by itself?
a)
a) Electric shock
b)
b) Electrical energy build-up
c)
c) Fire
d)
d) Physical damage
11.
Which of the following is a method of achieving electrical bonding?
a)
a) Insulation tape
b)
b) Bonding jumpers or conductive metallic straps
c)
c) Plastic ties
d)
d) Wooden clamps
12.
What are the two defined types of bonding?
a)
a) Primary and secondary bonding
b)
b) Main and supplementary bonding
c)
c) Direct and indirect bonding
d)
d) Metallic and non-metallic bonding
13.
Where should main bonding take place?
a)
a) At the far end of the electrical installation
b)
b) As close as possible to the point where supplies enter a building
c)
c) Near the lighting fixtures
d)
d) At the nearest electrical outlet
14.
What does supplementary bonding link together?
a)
a) Electrical panels and power sources
b)
b) Individual conductors and metalwork not associated with the electrical installation
c)
c) Lighting circuits
d)
d) Non-metallic parts
15.
Why must connections to the grounding and bonding system be accessible?
a)
a) For aesthetic reasons
b)
b) To ensure easy inspection and maintenance
c)
c) To increase electrical resistance
d)
d) To reduce power consumption
16.
What is a bonding jumper?
a)
a) A device to increase electrical potential
b)
b) A wire or strap used to connect metallic parts to ensure bonding
c)
c) An insulator
d)
d) A circuit breaker
17.
What must be checked in a bonding inspection regarding the main electrical panel?
a)
a) That it is not connected to the grounding system
b)
b) That it is bonded to the grounding system
c)
c) That it is insulated
d)
d) That it is painted
18.
What should not be bonded to the ground bus in the main electrical panels?
a)
a) The neutral bus
b)
b) The positive terminal
c)
c) The negative terminal
d)
d) The earth rod
19.
Why are bonding wires of the correct size important?
a)
a) For aesthetic reasons
b)
b) To ensure they can safely carry the fault current
c)
c) To reduce costs
d)
d) To increase resistance
20.
What is one visual indicator that a bonding strap is used correctly on pipework?
a)
a) It is colored red
b)
b) It has a safety label
c)
c) It is made of plastic
d)
d) It is insulated
Reset
