Free Printable Basic inspection and testing

1.

What document can be used for detailed information

on inspection and testing

a)

COSHH

b)

GS38

c)

EAWR

d)

Guidance note 3

2.

4. If the length of a cable is doubled the resistance will be:

a)

a. quartered

b)

b. halved

c)

c. remain the same

d)

d. doubled.

3.

5. When carrying out an initial verification, a check for polarity is carried out when energising of the installation for the first time. This is to confirm:

a)

a. correct connection of the incoming supply

b)

b. correct connection of equipment

c)

c. operation of the main isolator

d)

d. operation of the supply fuse.

4.

7. An increase in conductor operating temperature will result in:

a)

a. an decrease in conductor resistance

b)

b. an increase in conductor resistance

c)

c. an increase in insulation resistance

d)

d. no apparent change in resistance or insulation resistance.

5.

8. The maximum permitted voltage drop for a low voltage lighting circuit supplied directly from the public supply is:

a)

a. 2%

b)

b. 3%

c)

c. 4%

d)

d. 5%.

6.

9. External earth fault loop impedance Z_e for an installation must be measured at:

a)

a. a convenient point on the installation with the earthing conductor connected

b)

b. a convenient point on the installation with the earthing conductor disconnected

c)

c. the origin of the installation with the earthing conductor connected

d)

d. the origin of the installation with the earthing conductor disconnected.

7.

11. Following the installation and completion of a new circuit the following should be issued:

a)

a. EICR

b)

b. EIC

c)

c. MEIWC

d)

d. Schedule of results.

8.

RCD testers display the test result in:

a)

a. Millivolts

b)

b. Ohms

c)

c. Milliseconds

d)

d. Mohms.

9.

13. An approved voltage indicator should have test leads fused at:

a)

a. 0.5A

b)

b. 1A

c)

c. 3A

d)

d. 5A.

10.

16. The minimum acceptable value for an insulation resistance test on a SELV circuit is:

a)

a. 1MΩ

b)

b. 0.5MΩ

c)

c. 0.25MΩ

d)

d. 0.1MΩ.

11.

18. The open circuit resistance values on a ring-final circuit were r₁= 0.6Ω , r_n= 0.6Ω and r₂= 0.96Ω. What would be the R1 + R2 value expected for the circuit:

a)

a. 0.36Ω

b)

b. 0.39Ω

c)

c. 1.2Ω

d)

d. 1.56Ω

12.

Identify the indication to be used on an Initial Verification Schedule of Inspection form to indicate that an item meets the requirements of BS7671

a)

Lim

b)

N/A

c)

a tick

d)

a cross (x)

13.

An electrical installation certificate for a new installation will require THREE signatories, Identify one of these signatories.

a)

the local authority

b)

the designer

c)

the site manager

d)

the owner

14.

When a certificate is issued for Initial Verification purposes, for the certificate to be valid it MUST be accompanied by?

a)

inspection tick-sheet

b)

test results sheet

c)

schedules of inspections and test results

d)

Part 'P' certificate

15.

Continuity of protective conductors (R2) tests are carried out using

a)

a volt meter

b)

a low ohms meter

c)

a continuity tester

d)

an insulation resistance tester

Basic inspection and testing

Total questions: 15

Worksheet time: 26mins

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