This is not a exam sample, it is just test two show if you are familiar to the 17th edition
1. What color is the 17th edition?
A)
Yellow
B)
Green
C)
Blue
D)
Red
2. After what date in 2008 must you use the 17th edition?
A)
January 31st
B)
June 30th
C)
December 31st
D)
July 31st
3. General use socket-outlets in bathrooms
A)
Are not allowed
B)
Must be at least 0.6M from the bath
C)
Must be ate least 3M from the bath
D)
Must be unswitched
4. The type of protection against electric shock under fault-free condition is
A)
Safety
B)
Basic
C)
Fault
D)
Indirect
5. The type of protection against electric shock under single-fault conditions is
A)
Safety
B)
Basic
C)
Fault
D)
Direct
6. Which of the following is new to the testing sequence?
A)
Continuity
B)
Phase sequence
C)
Functional testing
D)
Polarity
7. All circuits in bathroom must
A)
Disconnect in 0.4s
B)
Be RCD protected
C)
Be MCB protected
D)
Be run as a radial
8. An RCD provide fire protection oi farm must have I n not exceeding
A)
30mA
B)
100mA
C)
300mA
D)
600mA
9. In the 17th which ofthe following has new Section in Part 7
A)
Petrol filling station
B)
Rooms containing a sauna
C)
Floor and ceiling heating systems
D)
Mine or quarry
10. The maximum recommended voltage drop for a standard domestic lighting circuit is
A)
3%
B)
4%
C)
5%
D)
6%
11. Water utility supply pipes can be used as earth electrodes
A)
Under no circumstances
B)
If their csa is larger than 6mm2
C)
If they are metallic
D)
If precautions are taken against removal
12. A socket-outlet in a domestic lounge should be
A)
Protected by a 30mA RCD
B)
Arranged as part of a ring final circuit
C)
Switched
D)
Protected by a 32A circuit-breaker
13. Supplementary bonding in a bathroom
A)
Is always required
B)
Is never required
C)
may be omitted if certain condition met
D)
Must be at least 4mm
14. "Twin and earth" cables shallow-chased into a wall in a domestic installation should be
A)
Run in the form of a ring
B)
Installed in 'safe' zones and protected by a 30mA RCD
C)
Installed in 'safe' zones only
D)
Protected by a 30mA RCD only
15. Ml cable shallow-chased into a wall in a domestic installation
A)
Should be installed in 'safe' zones and protected by a 30mA RCD
B)
Should be installed in 'safe' zones only
C)
Should be protected by a 30mA RCD only
D)
Can be installed outside'safe' zones without RCD protection
16. The maximum permitted Zs values xfor low voltage circuits are based on a nominal voltage of
A)
230v
B)
240V
C)
250V
D)
400V
17. PV stands for
A)
Preferred voltage
B)
Solar photovoltaic
C)
Protective voltage
D)
Phase voltageitted if certain conditions met