Inspection and Testing

Inspection and Testing

7th Grade

•

27 Qs

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Inspection and Testing

Inspection and Testing

Assessment

Quiz

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Other

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7th Grade

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Practice Problem

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Created by

Paul Cornish

Used 4+ times

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27 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the first step in the procedure for completing safe isolation of electrical circuits?

Selecting correct test instruments

Identification of circuit(s) to be isolated

Warning notices

Suitable testing methods

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the primary purpose of initial verification of electrical installations?

To reduce energy consumption

To ensure compliance with standards

To test equipment efficiency

To minimise installation costs

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following documents is NOT associated with the inspection, testing, and commissioning of an electrical installation?

BS 7671

IET Guidance Note 3

HSE Guidance

Building Regulations Part P

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

When inspecting electrical installations, which human sense can be used to identify overheating?

Sight

Smell

Hearing

Touch

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the required test voltage for insulation resistance testing of circuits operating at 230V AC?

100V DC

250V DC

500V DC

1000V DC

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which tester is used to verify the continuity of protective conductors?

Continuity Tester

MFT

Earth fault loop impedance test

Low-resistance ohmmeter

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the maximum permissible value for earth fault loop impedance (Zs) according to BS 7671 for a 32A Type B circuit breaker?

0.4 ohms

1.37 ohms

1.5 ohms

2.0 ohms

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