Inspection and testing 2391/5357 Mock paper 3

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Use this mock to test your skills before your exams!!!

1) What is the purpose of an Initial Verification? *

1 point

a. To check that the installation complies, so far as reasonably practicable, with BS 7671.

b. To provide a detailed report on the condition of the installation and check for signs of deterioration.

c. To ensure the requirements of the Electricity at Work Regulations have been met.

d. To provide an engineering view, so far as reasonably practical, the requirements of GN3 are met

2) Which non-statutory document contains specific detail relating to the methods of testing during an Initial Verification? *

1 point

a. BS 7671.

b. IET GN3.

c. IET GN8.

d. HSE GS38

3) What information must an inspector have, which relates to diagrams, charts or tables? *

1 point

a. The maximum demand after the application of diversity.

b. The nature of the supply current and frequency.

c. The number and type of live supply conductors.

d. The type and composition of each circuit.

4) What is the main purpose of a risk assessment, carried out by the inspector, when verifying electrical systems? *

1 point

a. To minimise the risk to the inspector and others posed by the installation work activities.

b. To minimise the risk to the designer posed by the inspection procedure.

c. To minimise the risk to the inspector and others posed by the inspection procedure.

d. To minimise the financial risk to the designer posed by departures revealed by the inspector.

5) How is the risk of the inspector receiving an electric shock minimised whilst working on an isolated circuit? *

1 point

a. Locking off the circuit with a lock having a unique key.

b. Placing warning notices on the isolated circuit breaker.

c. Placing insulation tape over the isolated circuit breaker.

d. Locking off the circuit with a lock having multiple keys.

6) What is the level of risk if a Main Protective Bonding Conductor, to a metallic water pipe, is disconnected from the MET when the supply is not isolated? *

1 point

a. There is no risk as the metallic pipework is never live.

b. There is a risk of shock as the water pipe is always live.

c. There is a risk of shock as the water pipe may be a different potential to the electrical earth.

d. There is no risk as the water pipe and electrical earth are always at an equal potential.

7) Why is the inspection carried out before any testing? *

1 point

a. To ensure the installation is complete which minimises the tests required.

b. To ensure the installation is complete and is safe to begin testing.

c. To ensure the visible parts are safe meaning they will not need testing.

d. To ensure that visible covers are removed allowing easy testing.

8) What would be inspected when the Basic Protection by barriers and enclosures is being verified on a three-phase distribution board? *

1 point

a. IP ratings.

b. RCBO ratings.

c. Terminations.

d. Isolation.

9) What would be verified by inspection where Additional Protection is provided on a circuit concealed in walls at a depth less than 50 mm? *

1 point

a. RCD exceeds 30 mA.

b. RCD not exceeding 30 mA.

c. Supplementary bonding present.

d. Supplementary bonding not present.

10) What would be verified using the human sense of sight? *

1 point

a. Equipment is securely fixed.

b. Equipment terminations are tight.

c. Cable glands are tight and securely fitted.

d. Cables and terminals are correctly identified

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