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PAT Test Mock Exam

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This Pat Test Mock Exam contains 50 Questions. You must get a score of 40/50 to pass. Good luck!

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1. User checks of stationary equipment in industrial premises should be carried out: Mark one answer
A Before use
B Daily
C Fortnightly
D Weekly
Correct Answer: D Weekly
2. When conducting insulation resistance tests on new household appliances with Class I insulation, the minimum value would be: Mark one answer
A 0.25 megohm
B 0.5 megohm
C 1.0 megohm
D 2.0 megohm
Correct Answer: C 1.0 megohm
3. There is no provision for protective earthing for which one of the following equipment: Mark one answer
A Class 0
B Class I
C Class II
D Class III
Correct Answer: C Class II
4. Equipment found to be faulty must be: Mark one answer
A Labelled and reported
B Labelled and withdrawn from service
C Labelled, reported and withdrawn from service
D Reported and withdrawn from service
Correct Answer: C Labelled, reported and withdrawn from service
5. Of the following items of information, which one is not required on a test label: Mark one answer
A Date the test was carried out
B Details of previous test results
C Information on whether the equipment has passed or failed the safety tests
D The appliance number
Correct Answer: B Details of previous test results
6. The scope of the EWR regarding maintenance of electrical systems extends to distribution systems up to: Mark one answer
A 11 kV
B 132 kV
C 33 kV
D 400 kV
Correct Answer: D 400 kV
7. A fridge freezer is classified as: Mark one answer
A A portable appliance
B A stationary appliance
C Moveable equipment
D No classification
Correct Answer: B A stationary appliance
8. The Code of Practice for In-service Inspection and Testing of Electrical Equipment does not apply to: Mark one answer
A Construction site equipment
B Factories
C Offices
D Petrol station forecourts
Correct Answer: D Petrol station forecourts
9. An insulation resistance tester should be capable of: Mark one answer
A Maintaining the test voltage when applied to the equipment insulation
B Supplying a maximum current of 0.5 A through the load
C Supplying a minimum voltage of 1000 V d.c. to the load
D Testing the continuity of a circuit
Correct Answer: A Maintaining the test voltage when applied to the equipment insulation
10. Safety isolating transformers supplying Class III equipment must conform to: Mark one answer
A BS 3526
B BS 3535
C BS 5458
D BS 5533
Correct Answer: B BS 3535
11. When conducting an insulation resistance test on an electrical appliance the voltage supplied should be: Mark one answer
A 1000V a.c
B 250V a.c
C 250V d.c
D 500V d.c
Correct Answer: D 500V d.c
12. When assessing the level of safety of an electrical appliance the most important check would be: Mark one answer
A Acceptable values of insulation resistance
B Earth fault current
C Spot testing
D Visual inspection
Correct Answer: D Visual inspection
13. Which one of the following checks should the user of an appliance be competent to undertake: Mark one answer
A Both visual inspection and testing
B Formal visual inspection
C Tests using a portable appliance tester
D Visual inspection of the flexible lead and plug
Correct Answer: D Visual inspection of the flexible lead and plug
14. During a formal visual inspection a check should be made to confirm that the equipment is being operated: Mark one answer
A At the correct voltage
B By a competent person
C By a skilled person
D In accordance with manufacturer's instructions
Correct Answer: D In accordance with manufacturer's instructions
15. To which one of the following workplace environments does the IEE Code of Practice not apply: Mark one answer
A Hotels
B Offices
C Shops
D Specialised work situations
Correct Answer: D Specialised work situations
16. The legal requirement for electrical equipment to be maintained in good order is laid down in the: Mark one answer
A Electricity at Work Regulations 1989
B Health and Safety at Work Act 1974
C Management of Health and Safety at Work Regulations 1999
D Provision and Use of Work Equipment Regulations 1998
Correct Answer: A Electricity at Work Regulations 1989
17. Instrument test leads should comply with: Mark one answer
A BS 2001
B BS 7671
C HSE Guidance Note GS 38
D HSE Guidance Note GS 55
Correct Answer: C HSE Guidance Note GS 38
18. The initial frequency of formal visual inspection for Class II cleaning equipment used in a school is recommended to be: Mark one answer
A 1 month
B 3 months
C 4 months
D 6 months
Correct Answer: C 4 months
19. The test current applied to an electric kettle fitted with a 13A fuse during an earth continuity test would normally be: Mark one answer
A 13A for at least 1 minute
B 25A for 5 seconds
C 25A for a period between 5 and 20 seconds
D 3A for 10 seconds
Correct Answer: C 25A for a period between 5 and 20 seconds
20. Class II equipment has an identifying mark in the shape of: Mark one answer
A A square
B Two circles, linked
C Two circles, one inside the other
D Two squares, one inside the other
Correct Answer: D Two squares, one inside the other
21. New 13A plugs manufactured to BS 1363 will have: Mark one answer
A Both live pins partially insulated
B Insulated pins
C Inter connecting pins
D Plastic earth pins
Correct Answer: A Both live pins partially insulated
22. When conducting an earth continuity test on IT equipment: Mark one answer
A All IT equipment in the area must be disconnected
B Permission should first be sought from the equipment user
C The equipment casing should be removed
D The equipment must be connected to the mains
Correct Answer: B Permission should first be sought from the equipment user
23. Electrical equipment for use in domestic environments will normally be fitted with a 13A plug manufactured to: Mark one answer
A BS 1362
B BS 1363
C BS 3036
D BS EN 60898
Correct Answer: B BS 1363
24. A 20 metre 1.5 mm² extension lead should be protected by: Mark one answer
A A 10A fuse
B A 13A fuse and RCD
C A 3A fuse
D A 5A fuse and RCD
Correct Answer: B A 13A fuse and RCD
25. A flexible cord connected to equipment having an electrical rating of 800 W should normally be protected by a fuse rating of: Mark one answer
A 10A
B 13A
C 3A
D 5A
Correct Answer: B 13A
26. When a standard 13A plug overheats the cause would most likely be due to: Mark one answer
A A loose connection within the plug
B A poor earth connection
C Oversized conductors
D The use of socket outlets not to BS Standards
Correct Answer: A A loose connection within the plug
27. The minimum acceptable insulation resistance for Class I heating equipment rated greater than 3 kW is: Mark one answer
A 0.3 megohms
B 0.5 megohms
C 30 k ohms
D 500 ohms
Correct Answer: A 0.3 megohms
28. Electrical equipment should be marked with a unique serial number to help: Mark one answer
A Identification
B Location
C Testing
D Visual inspection
Correct Answer: A Identification
29. Earth continuity testing may sometimes be carried out using: Mark one answer
A A bell set tester
B A loop tester
C A low resistance ohmmeter
D An insulation tester
Correct Answer: C A low resistance ohmmeter
30. A BS 3535 safety isolating transformer having a voltage not exceeding 50 V is used to supply certain equipment complying with: Mark one answer
A Class 0
B Class I
C Class II
D Class III
Correct Answer: D Class III
31. Which of the following would not normally form a part of in-service testing: Mark one answer
A Earth continuity testing
B Functional checks
C Loop testing
D Preliminary inspection
Correct Answer: C Loop testing
32. Electrical equipment users should be: Mark one answer
A Able to test equipment
B An electrically competent person
C An electrician
D Capable of inspecting equipment for obvious defects
Correct Answer: D Capable of inspecting equipment for obvious defects
33. The test current applied to electric equipment fitted with a 13A plug fuse, during an earth continuity test, would normally be: Mark one answer
A 13A for approximately 5 seconds
B 13A for at least 1 minute
C 25A for a period between 5 and 20 seconds
D 25A for at least 1 minute
Correct Answer: C 25A for a period between 5 and 20 seconds
34. The recommended initial frequency of user checks, relevant to a children's ride in the entrance of a store, could be: Mark one answer
A Annually
B Daily
C Monthly
D Sixth monthly
Correct Answer: B Daily
35. Identification of electrical equipment within a duty holder's control is required to produce: Mark one answer
A A fault register
B A repair schedule
C A safety check equipment label
D An equipment register
Correct Answer: D An equipment register
36. Which of the following does not apply when testing on a two-core cord set: Mark one answer
A A polarity check
B A visual inspection
C An earth continuity test
D An insulation resistance test
Correct Answer: C An earth continuity test
37. Class I equipment with internal electronic components should be tested with a current not greater than: Mark one answer
A 0.8 A
B 15 A
C 200 mA
D 400 mA
Correct Answer: C 200 mA
38. It should be confirmed, when carrying out a formal visual inspection, that electrical equipment is being operated: Mark one answer
A As laid down in the manufacturer's instructions
B At the correct voltage
C By a skilled person
D By an instructed person
Correct Answer: A As laid down in the manufacturer's instructions
39. When protection against electric shock from equipment is provided using an earth wire, the equipment classification would be: Mark one answer
A Class 0
B Class I
C Class II
D Class III
Correct Answer: B Class I
40. Class I equipment: Mark one answer
A Has no provision for earthing
B Has optional provision for earthing
C Must be earthed
D Must not be earthed
Correct Answer: C Must be earthed
41. The most important check, when assessing the level of safety of an electrical appliance, is: Mark one answer
A Earth leakage current testing
B Flash testing
C Insulation resistance testing
D Visual inspection
Correct Answer: D Visual inspection
42. A flexible cord connected to a 650 W iron should be protected by a fuse rating of: Mark one answer
A 2A
B 3A
C 4A
D 5A
Correct Answer: B 3A
43. Equipment users should be competent to inspect: Mark one answer
A Fuses
B Protective conductors
C Socket outlets
D Terminal connections
Correct Answer: C Socket outlets
44. Instrument test leads should comply with Mark one answer
A BS 3036
B BS 7671
C HSE Guidance Note GS 38
D IEE Guidance Note 1
Correct Answer: C HSE Guidance Note GS 38
45. The maximum permitted length of a 1.25 mm² extension lead fitted with a standard 13 A plug should not exceed: Mark one answer
A 12m
B 15m
C 18m
D 22m
Correct Answer: A 12m
46. Equipment with an earth leakage current exceeding 3.5 mA shall: Mark one answer
A Be permanently wired or supplied by a plug and socket to BS 4343 (BS EN 6030-2)
B Have a label indicating the value of leakage current
C Have protective conductors of not less than 0.5 mm²
D Only be used in commercial situations
Correct Answer: A Be permanently wired or supplied by a plug and socket to BS 4343 (BS EN 6030-2)
47. When carrying out an insulation resistance test on a Class I household portable appliance to BS 3456 using the earth leakage method, the maximum acceptable value is: Mark one answer
A 0.5 mA
B 0.75 mA
C 1.0 mA
D 1.25 mA
Correct Answer: B 0.75 mA
48. Which one of the following domestic electrical appliances may be regarded as an item of stationary equipment: Mark one answer
A A bathroom heater
B A television set
C A visual display unit
D A washing machine
Correct Answer: D A washing machine
49. An item of stationary equipment is defined as not having a carrying handle and having a mass greater than: Mark one answer
A 12kg
B 14Kg
C 15Kg
D 18Kg
Correct Answer: D 18Kg
50. Which one of the following would not normally be part of a user inspection: Mark one answer
A Checking security of the flexible cable in its plug top
B Checking the connections within the plug
C Looking for signs of external damage to the equipment
D Operating to check that it works properly
Correct Answer: B Checking the connections within the plug