Conductors shall be identified in accordance with? Mark one answer.

BS 7671 Practice Paper 6

Quiz
•
Engineering
•
12th Grade
•
Hard
Sayed Habib
Used 1+ times
FREE Resource
35 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Section 512
Section 513
Section 514
Section 515
Answer explanation
• Amendment 2 (Brown Book) Reference: Page 27, section 134.1.3
• Amendment 1 (Blue Book) Reference: Page 22 - 134.1.3 - The Part 1 contents, page (Page 14) indicates chapter 134 refers to 'Erection and initial verification of electrical installations' - This is not much use in helping you will find the answer to this question. If you use the Index, page 530 'Conductor - identification' will direct you to section 514, since this is one of the four available answers, this would be a good option to select
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BS 7671 may need to be supplemented by the requirements or recommendations of which other document when applied to electric surface heating systems? Mark one answer.
BS EN 12954
BS EN 13174
BS EN 13636
BS EN 60335-2-96
Answer explanation
• Amendment 2 (Brown Book) Reference: Page 20, section 110.1.3 (vii)
• Amendment 1 (Blue Book) Reference: Page 16 - 110.1.3 (vii) - With this type of question when the words "BS 7671 may need to be supplemented", you need to make a mental note to check Part 1 - Scope - 110.1.3 here you will find the answer 110.1.3 (vii)
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BS 7671 includes requirements for? Mark one answer.
Electric fences installed on farm-land
Lift installations in office blocks
Wiring systems and cables not specifically covered by the standards for appliances
Wiring systems on military aircraft
Answer explanation
• Amendment 2 (Brown Book) Reference: Page 20, section 110.1.2 (iii)
• Amendment 1 (Blue Book) Reference: Page 15 - 110.1.2 (iii) - You won't find any guidance to this answer in the Part 1 contents, page, nor in the Index. Try to remember 110.1.2 advises what is 'included' in BS 7671, and 110.2 (Page 16) advises what is 'excluded'
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
BS 7671 is? Mark one answer
Non-statutory and cannot be used as evidence to show compliance, in a court-of-law
Non-statutory but can be used as evidence to claim compliance with a statutory requirement in a court-of-law
Statutory and can be used as evidence to show compliance, in a court-of-law
Statutory and cannot be used as evidence to show compliance, in a court-of-law
Answer explanation
• Amendment 2 (Brown Book) Reference: Page 21, section 114.1
• Amendment 1 (Blue Book) Reference: Page 16 - 114.1 - You shouldn't need to look in the reg's for this answer.
If you didn't know where to look for the answer, then always check out the contents, page for the relevant part of the reg's you are answering, and if there is no obvious pointer to an answer then look in the index section. In this question the Part 1 contents, page indicates section 114 relates to 'Relationship with statutory regulations'
Tip: Remember if you cannot find a particular entry usually in the Contents or Index section, for example 'Initial Verification' look to see if the reverse text exists e.g. 'Verification Initial' you will then often find the solution you are seeking
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is this statement a definition of: 'Protection against electric shock under fault-free conditions'? Mark one answer
Basic Protection
Direct contact
Fault protection
Indirect contact
Answer explanation
• Amendment 2 (Brown Book) Reference: Page 29 - Definitions for Basic protection
• Amendment 1 (Blue Book) Reference: Page 24 - Definitions - Basic protection - The Definitions Part does include references to deleted definitions, such as 'direct contact'. Basic protection has replaced this term. You should try to remember the definitions for basic and fault protection, as they often come up in the exam, if you selected 'Direct Contact' you would not achieve any marks
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Where can further information on Zx be found? Mark one answer.
Appendix 13
Appendix 4
Part 2
Part 3
Answer explanation
• Amendment 2 (Brown Book) Reference: Correct answer longer applicable as previous version of Appendix 13 - Methods for measurement has been removed and replaced by Escape routes and fire protection
Instead, please look for Floors- insulating, resistance of section 418.1.5 in the Index section.
• Amendment 1 (Blue Book) Reference: Page 41 - Symbols - When symbols such as Zx are used in the regulations, they inform you where the symbol is used for the first time. In the case of Zx, it is in Appendix 13, section 2
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Regarding the general supply characteristics, which of the options below is not required to be specified by calculation, determination, measurement, enquiry or inspection? Mark one answer.
Nature of the current and frequency
The current-carrying capacities of the cables
The prospective short-circuit current at the origin of the installation
The type and rating of the overcurrent protective device
Answer explanation
• Amendment 2 (Brown Book) Reference: Page 55, section 313.1
• Amendment 1 (Blue Book) Reference: Page 49 - 313.1 - The current-carrying capacities of the cables is not a required characteristic. This is one of those 'Reverse' questions. The 'key' to locating this answer is the term 'the general supply characteristics' The part 3 contents, page (Page 44) indicates section 313.1 refers to 'Supplies - General' so this is where you should start looking. For those readers who may think the current-carrying capacity of cables is a potential answer, it would be if this was an appendix question, but it is a part 3 general supply characteristic question. Don't make the mistake of trying to answer a question from one part of the reg's, with what appears to be a suitable answer from another part
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