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Sample Questions C&G 2392-10 Certificate in Fundamental Inspection & Testing - paper 2
( 1 ) The person who tests and signs the Electrical Installation Certificate for an Electrical Installation should be ?
A – The owner of the Installation ,
B – The Electrical Contractor who carried out the work ,
C – A representative of the Owner of the premises ,
D – A Competent person from an inspection and test company ,
( 2 ) Before commencing an initial inspection and test , the inspector should have a copy of the ?
A – Heath and Safety at Work Act ,
B – Electricity at Work regulations 1989 ,
C – Guidance Note 1 – Selection and Erection ,
D – Installation Specification ,
( 3 ) Which of the following information is “ Not “ required by the person carrying out the inspection and test ?
A – The prospective fault current at the origin of the installation ,
B – The external loop impedance ( Ze ) ,
C – information on the manufacturer of the electrical equipment used in the ,
D – the method used for fault protection ,
( 4 ) Which of the following should accompany the inspection and test ?
A – two copies of test results ,
B – copies of the inspection and test schedules ,
C – copies of minor works certificates ,
D – invoices for any remedial work carried out ,
( 5 ) Which of the following statement is false ?
A – Inspection & Testing may be done in an order decided by the test engineer ,
B – Installations must be inspected and tested on completion and also during erection ,
C – The purpose of the inspected is to verify equipment is correctly selected and erected in accordance with BS7671 ,
D – Precautions shall be taken to avoid damage to property during Inspection & Testing ,
( 6 ) Which one of the following does not need to be checked for compliance during the visual Inspection of an installation , ?
A – Presence of fire barriers ,
B – Correct connection of the supply authority’s fuse ,
C – Routing of cables in safe zone ,
D – Connection of single pole device in phase conductors’ only ,
( 7 ) A visual Inspection is necessary before testing to check whether ?
A – There is adequate access to switchgear ,
B – The Zs is within the maximum allowed ,
C – The polarity of switches’ and fuses are correct ,
D – The insulation resistance is acceptable ,
( 8 ) The top surface of a consumer unit should be protected from ingress of dust to a standard of ?
A – IP2X B – IP4X C – IP5X D – IP6X
( 9 ) During Inspection of a distribution board containing exposed conductive parts it should be verified that ?
A – The board is situated at least 2 meters above ground level ,
B – The board has a handle and the door is shut ,
C – The door can only be opened with a key or tool ,
D – The board has at least ingress protection to IP2X ,
( 10 ) When inspecting a conductor used for circuit protection it must be verified that the conductor is ,
A – Green or green and yellow throughout its length ,
B – green and yellow for at least 100mm at both ends ,
C – Marked with numerals at both ends ,
D – Green and yellow throughout its length ,
( 11 ) Which one of the following tests can only be carried out after supply is connected ,
A – Earth fault loop impedance ,
B – Insulation resistance ,
C – Polarity , D – Continuity of the protective conductors’ ,
Sample Questions C&G 2392-10 Certificate in Fundamental Inspection & Testing - paper 2
( 12 ) The minimum test voltage that should be applied when testing the insulation resistance of a SELV circuit is , ?
A – 500v - dc B – 500v - ac C – 250v - dc D –250v - ac
( 13 ) Given the following numbered tests, select the sequence in which these tests should be conducted for a new installation : ?
1 , functional , 2 , insulation resistance , 3 , polarity , 4 , continuity of final ring conductors’ , 5 , continuity of protective conductors’
A – 1,3,4,5,2, B – 4,5,3,2,1, C – 5,4,2,3,1, D – 2,3,4,5,1,
( 14 ) Insulation resistance testers are designed to measure ?
A – High resistance using an ac voltage ,
B – Low resistance using an ac voltage ,
C – Low resistance using an dc voltage ,
D – High resistance using an dc voltage ,
( 15 ) An approved voltage tester can be used to ?
A – Establish whether a circuit conductor is live or not ,
B – Determine the effectiveness of a disconnection device ,
C – Measure the resistance of an earth continuity conductor ,
D – Carry out continuity tests ,
( 16 ) The purpose of the test button of residual current device is to check the ?
A – Earth fault loop impedance ,
B – Continuity of the earthing conductor ,
C – Earth electrode resistance ,
D – Mechanical operation of the rcd ,
( 17 ) Statement 1, – A polarity test is carried out with a loop tester , Statement 2 , A polarity test can confirm correct connection of conductors within an Edison screw lamp
A – Statement 1 is true , Statement 2 is false ,
B – Both Statement are true ,
C – Statement 1, is false , Statement 2 is true ,
D – Both Statement are false ,
( 18 ) Which one of the following tests should be conducted to verify protection by electrical separation of ELV and LV circuits ?
A – Verification of protection by barriers or enclosures to minimum of IP5X
B – An insulation resistance test at 500v dc , between ELV and LV circuits ,
C – testing between conductors’ of each ELV circuit at 250v dc ,
D – An insulation resistance test between ELV and LV circuits at 250v dc
( 19 ) The schedule for an electrical installation should include the following ?
A – Date of completion
B – Recommended dates for future periodic testing ,
C – BS numbers of all equipment within the installation ,
D – The rating and type of protective devices ,
( 20 ) For circuits having a nominal voltage of 230v , the minimum insulation resistance required is ?
A – 5.0 MΩ B – 1.0MΩ C – 0.5MΩ D – 0.25MΩ
( 21 ) When an Electrical Installation Certificate is issued , any defects or Omissions must be ?
A – Made good
B – Identified
C – Noted on the certificate
D – Notified to the client
( 22 ) The maximum earth loop impedance to BS 7671 : 2008 for a circuit protected by a 20A BS-88 ( gG )
Fuse given a 5 second disconnection time is ?
A – 7.42 Ω B – 2.91 Ω C – 1.84 Ω D – 1.35 Ω
( 23 ) The maximum disconnection time allowed for a TN systems with a nominal voltage of 250v ac , to earth is ?
A – 0.2 seconds B – 0.4 seconds C – 1 seconds D – 5 seconds
( 24 ) What is the maximum earth fault loop impedance allowed when using a 32A Type C circuit breaker
Giving a disconnection time of 5seconds , the nominal voltage to earth ( Uo ) is 55V ,
A – 0.34 Ω B – 0.40 Ω C – 0.17 Ω D – 0.09 Ω
Sample Questions C&G 2392-10 Certificate in Fundamental Inspection & Testing - paper 2
( 25 ) A insulation resistance test is carried out on a single-phase 230v circuit, the minimum acceptable reading and correct test voltage to BS 7671 : 2008 should be ?
A – 0.5 MΩ and 250v dc , B – 1.0 MΩ and 500v dc , C – 0.5 MΩ and 500v dc , D – 2.0 MΩ and 500v dc ,
( 26 ) A circuit has an external earth loop impedance Ze of 0.6 Ω , the maximum value of ( R1 + R2 ) to BS 7671 : 2008 , on a circuit protected by a Type B 32A circuit breaker giving a 0.4 seconds disconnection time will be ?
A – 1.44 Ω B – 2.04 Ω C – 0.84 Ω D – 0.24 Ω
( 27 ) Any faults or defects identified an initial verification should be ?
A – Made good immediately ,
B – Noted on the certificate before issuing it to the client ,
C – Noted on the certificate and arrange to complete repairs ,
D – Made good before issuing the certificate ,
( 28 ) The type of certificate is issued after installing an additional socket outlet within an existing installation would be a ?
A – Minor Certificate ,
B – Verification and Test Certificate ,
C – Installation Certificate ,
D – Periodic Test Certificate ,
( 29 ) Which of the following tests is carried out on a “ live “ circuits ,
A – Insulation resistance ,
B – Earth fault loop impedance ,
C – Continuity of final ring circuit conductors ,
D – Polarity by Continuity methods ,
( 30 ) End-to-end resistance checks would be carried out on a ,
A – Radial circuit ,
B – Lighting circuit ,
C – Ring final circuit ,
D – Fused connection unit ,
( 1 )- B ( 2 )- D ( 3 )- C ( 4 )- B ( 5 )- A ( 6 )- B ( 7 )- A ( 8 )- B ( 9 )- C ( 10 )- D ( 11)- A ( 11) - A ( 12 )- C ( 13 )- C
( 14 )- D ( 15 )- A ( 16 )- D ( 17 )- C ( 18 )- B ( 19 )- D ( 20 )- B ( 21 )- A ( 22 )- B ( 23 )- A ( 24 )- C ( 25 )- B ( 26 )- C ( 27 )- D ( 28 )- A ( 29 )- B ( 30 )- C
( 24 ) What is the maximum earth fault loop impedance allowed when using a 32A Type C circuit breaker
Giving a disconnection time of 5seconds , the nominal voltage to earth ( Uo ) is 55V ,
A – 0.34 Ω B – 0.40 Ω C – 0.17Ω ↔ ( regs : 41.6 ) D – 0.09 Ω
Ps , they is a very very small little red heron in here guess which one , the clock is ticking ?
( 1 ) The person who tests and signs the Electrical Installation Certificate for an Electrical Installation should be ?
A – The owner of the Installation ,
B – The Electrical Contractor who carried out the work ,
C – A representative of the Owner of the premises ,
D – A Competent person from an inspection and test company ,
( 2 ) Before commencing an initial inspection and test , the inspector should have a copy of the ?
A – Heath and Safety at Work Act ,
B – Electricity at Work regulations 1989 ,
C – Guidance Note 1 – Selection and Erection ,
D – Installation Specification ,
( 3 ) Which of the following information is “ Not “ required by the person carrying out the inspection and test ?
A – The prospective fault current at the origin of the installation ,
B – The external loop impedance ( Ze ) ,
C – information on the manufacturer of the electrical equipment used in the ,
D – the method used for fault protection ,
( 4 ) Which of the following should accompany the inspection and test ?
A – two copies of test results ,
B – copies of the inspection and test schedules ,
C – copies of minor works certificates ,
D – invoices for any remedial work carried out ,
( 5 ) Which of the following statement is false ?
A – Inspection & Testing may be done in an order decided by the test engineer ,
B – Installations must be inspected and tested on completion and also during erection ,
C – The purpose of the inspected is to verify equipment is correctly selected and erected in accordance with BS7671 ,
D – Precautions shall be taken to avoid damage to property during Inspection & Testing ,
( 6 ) Which one of the following does not need to be checked for compliance during the visual Inspection of an installation , ?
A – Presence of fire barriers ,
B – Correct connection of the supply authority’s fuse ,
C – Routing of cables in safe zone ,
D – Connection of single pole device in phase conductors’ only ,
( 7 ) A visual Inspection is necessary before testing to check whether ?
A – There is adequate access to switchgear ,
B – The Zs is within the maximum allowed ,
C – The polarity of switches’ and fuses are correct ,
D – The insulation resistance is acceptable ,
( 8 ) The top surface of a consumer unit should be protected from ingress of dust to a standard of ?
A – IP2X B – IP4X C – IP5X D – IP6X
( 9 ) During Inspection of a distribution board containing exposed conductive parts it should be verified that ?
A – The board is situated at least 2 meters above ground level ,
B – The board has a handle and the door is shut ,
C – The door can only be opened with a key or tool ,
D – The board has at least ingress protection to IP2X ,
( 10 ) When inspecting a conductor used for circuit protection it must be verified that the conductor is ,
A – Green or green and yellow throughout its length ,
B – green and yellow for at least 100mm at both ends ,
C – Marked with numerals at both ends ,
D – Green and yellow throughout its length ,
( 11 ) Which one of the following tests can only be carried out after supply is connected ,
A – Earth fault loop impedance ,
B – Insulation resistance ,
C – Polarity , D – Continuity of the protective conductors’ ,
Sample Questions C&G 2392-10 Certificate in Fundamental Inspection & Testing - paper 2
( 12 ) The minimum test voltage that should be applied when testing the insulation resistance of a SELV circuit is , ?
A – 500v - dc B – 500v - ac C – 250v - dc D –250v - ac
( 13 ) Given the following numbered tests, select the sequence in which these tests should be conducted for a new installation : ?
1 , functional , 2 , insulation resistance , 3 , polarity , 4 , continuity of final ring conductors’ , 5 , continuity of protective conductors’
A – 1,3,4,5,2, B – 4,5,3,2,1, C – 5,4,2,3,1, D – 2,3,4,5,1,
( 14 ) Insulation resistance testers are designed to measure ?
A – High resistance using an ac voltage ,
B – Low resistance using an ac voltage ,
C – Low resistance using an dc voltage ,
D – High resistance using an dc voltage ,
( 15 ) An approved voltage tester can be used to ?
A – Establish whether a circuit conductor is live or not ,
B – Determine the effectiveness of a disconnection device ,
C – Measure the resistance of an earth continuity conductor ,
D – Carry out continuity tests ,
( 16 ) The purpose of the test button of residual current device is to check the ?
A – Earth fault loop impedance ,
B – Continuity of the earthing conductor ,
C – Earth electrode resistance ,
D – Mechanical operation of the rcd ,
( 17 ) Statement 1, – A polarity test is carried out with a loop tester , Statement 2 , A polarity test can confirm correct connection of conductors within an Edison screw lamp
A – Statement 1 is true , Statement 2 is false ,
B – Both Statement are true ,
C – Statement 1, is false , Statement 2 is true ,
D – Both Statement are false ,
( 18 ) Which one of the following tests should be conducted to verify protection by electrical separation of ELV and LV circuits ?
A – Verification of protection by barriers or enclosures to minimum of IP5X
B – An insulation resistance test at 500v dc , between ELV and LV circuits ,
C – testing between conductors’ of each ELV circuit at 250v dc ,
D – An insulation resistance test between ELV and LV circuits at 250v dc
( 19 ) The schedule for an electrical installation should include the following ?
A – Date of completion
B – Recommended dates for future periodic testing ,
C – BS numbers of all equipment within the installation ,
D – The rating and type of protective devices ,
( 20 ) For circuits having a nominal voltage of 230v , the minimum insulation resistance required is ?
A – 5.0 MΩ B – 1.0MΩ C – 0.5MΩ D – 0.25MΩ
( 21 ) When an Electrical Installation Certificate is issued , any defects or Omissions must be ?
A – Made good
B – Identified
C – Noted on the certificate
D – Notified to the client
( 22 ) The maximum earth loop impedance to BS 7671 : 2008 for a circuit protected by a 20A BS-88 ( gG )
Fuse given a 5 second disconnection time is ?
A – 7.42 Ω B – 2.91 Ω C – 1.84 Ω D – 1.35 Ω
( 23 ) The maximum disconnection time allowed for a TN systems with a nominal voltage of 250v ac , to earth is ?
A – 0.2 seconds B – 0.4 seconds C – 1 seconds D – 5 seconds
( 24 ) What is the maximum earth fault loop impedance allowed when using a 32A Type C circuit breaker
Giving a disconnection time of 5seconds , the nominal voltage to earth ( Uo ) is 55V ,
A – 0.34 Ω B – 0.40 Ω C – 0.17 Ω D – 0.09 Ω
Sample Questions C&G 2392-10 Certificate in Fundamental Inspection & Testing - paper 2
( 25 ) A insulation resistance test is carried out on a single-phase 230v circuit, the minimum acceptable reading and correct test voltage to BS 7671 : 2008 should be ?
A – 0.5 MΩ and 250v dc , B – 1.0 MΩ and 500v dc , C – 0.5 MΩ and 500v dc , D – 2.0 MΩ and 500v dc ,
( 26 ) A circuit has an external earth loop impedance Ze of 0.6 Ω , the maximum value of ( R1 + R2 ) to BS 7671 : 2008 , on a circuit protected by a Type B 32A circuit breaker giving a 0.4 seconds disconnection time will be ?
A – 1.44 Ω B – 2.04 Ω C – 0.84 Ω D – 0.24 Ω
( 27 ) Any faults or defects identified an initial verification should be ?
A – Made good immediately ,
B – Noted on the certificate before issuing it to the client ,
C – Noted on the certificate and arrange to complete repairs ,
D – Made good before issuing the certificate ,
( 28 ) The type of certificate is issued after installing an additional socket outlet within an existing installation would be a ?
A – Minor Certificate ,
B – Verification and Test Certificate ,
C – Installation Certificate ,
D – Periodic Test Certificate ,
( 29 ) Which of the following tests is carried out on a “ live “ circuits ,
A – Insulation resistance ,
B – Earth fault loop impedance ,
C – Continuity of final ring circuit conductors ,
D – Polarity by Continuity methods ,
( 30 ) End-to-end resistance checks would be carried out on a ,
A – Radial circuit ,
B – Lighting circuit ,
C – Ring final circuit ,
D – Fused connection unit ,
( 1 )- B ( 2 )- D ( 3 )- C ( 4 )- B ( 5 )- A ( 6 )- B ( 7 )- A ( 8 )- B ( 9 )- C ( 10 )- D ( 11)- A ( 11) - A ( 12 )- C ( 13 )- C
( 14 )- D ( 15 )- A ( 16 )- D ( 17 )- C ( 18 )- B ( 19 )- D ( 20 )- B ( 21 )- A ( 22 )- B ( 23 )- A ( 24 )- C ( 25 )- B ( 26 )- C ( 27 )- D ( 28 )- A ( 29 )- B ( 30 )- C
( 24 ) What is the maximum earth fault loop impedance allowed when using a 32A Type C circuit breaker
Giving a disconnection time of 5seconds , the nominal voltage to earth ( Uo ) is 55V ,
A – 0.34 Ω B – 0.40 Ω C – 0.17Ω ↔ ( regs : 41.6 ) D – 0.09 Ω
Ps , they is a very very small little red heron in here guess which one , the clock is ticking ?
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