Hazardous Area Timefiller Pt 2

Question 1 a – Ga b – Gb c – Gc d – Gd An explosive gas/air mixture is ‘Likely’ to occur, what Equipment Protection Level: a – Ga b – Gb c – Gc d – Gd

Answer 1 a – Ga b – Gb c – Gc d – Gd An explosive gas/air mixture is ‘Likely’ to occur, what Equipment Protection Level: a – Ga b – Gb c – Gc d – Gd

Question 2 Zone 1 E.P.L.?

Answer 2 Zone 1 Gb

Question 3 EPL Ga Category?

Answer 3 EPL Ga 1G

Question 4 Category 1G Zone?

Answer 4 Category 1G Zone 0

Question 5 Zone 2 EPL?

Answer 5 Zone 2 Gc

Question 6 Category 2G EPL?

Answer 6 Category 2G Gb

Question 7 EPL Gc Category?

Answer 7 EPL Gc 3G

Which Atex Directive removes Question 8 Which Atex Directive removes ‘Barriers to Trade’? a – Atex 137? b – Atex 95? c – Atex 98? d – Atex 60079?

Which Atex Directive removes Answer 8 Which Atex Directive removes ‘Barriers to Trade’? a – Atex 137? b – Atex 95? c – Atex 98? d – Atex 60079?

What are the symbols for a Zone 0 area on a hazardous Area Drawing Question 10 What are the symbols for a Zone 0 area on a hazardous Area Drawing a – Small Circles b – Hashed lines at 45degrees c – Single lines at 45degrees d – Symbols shown on the drawing key

What are the symbols for a Zone 0 area on a hazardous Area Drawing Answer 10 What are the symbols for a Zone 0 area on a hazardous Area Drawing a – Small Circles b – Hashed lines at 45degrees c – Single lines at 45degrees d – Symbols shown on the drawing key

Question 11 Which part of the Standard covers Installation? a – BS EN 60079 – 10 b – BS EN 60079 – 14 c – BS EN 60079 – 17 d – BS EN 60079 – 19

Answer 11 Which part of the Standard covers Installation? a – BS EN 60079 – 10 b – BS EN 60079 – 14 c – BS EN 60079 – 17 d – BS EN 60079 – 19

Question 12 Which of the following would I require knowledge of to work in a Hazardous Area? a – How to draw an Area Classification Drawing b – How to identify Protection Types c – How to write a Gas Free Certificate d – How to write a Permit to Work

Answer 12 Which of the following would I require knowledge of to work in a Hazardous Area? a – How to draw an Area Classification Drawing b – How to identify Protection Types c – How to write a Gas Free Certificate d – How to write a Permit to Work

What does D.S.E.A.R. stand for? Question 13 What does D.S.E.A.R. stand for? a – Dangerous Site Electrical Arbitrary Rules b – Dangerous Substances Explanations And Regulations c – Dangerous Substances & Explosive Atmospheres Regulations d – Dangerous Substances & Explosive Atmospheres Rules

What does D.S.E.A.R. stand for? Answer 13 What does D.S.E.A.R. stand for? a – Dangerous Site Electrical Arbitrary Rules b – Dangerous Substances Explanations And Regulations c – Dangerous Substances & Explosive Atmospheres Regulations d – Dangerous Substances & Explosive Atmospheres Rules

Question 14 What does E.P.L. stand for? a – Electrical Protection Level b – Equipment Protection Level c – Extreme Protection Level d – External Protection Level

Answer 14 What does E.P.L. stand for? a – Electrical Protection Level b – Equipment Protection Level c – Extreme Protection Level d – External Protection Level

Which letters internationally correspond to Question 15 Which letters internationally correspond to Atex Categories? x y z A B C a b c I E C

Which letters internationally correspond to Answer 15 Which letters internationally correspond to Atex Categories? x y z A B C a b c EPLs Ga-Gb-Gc I E C

Exercise 2 on Gas Group & Temp. Class Can the llA T1 motor go into the Acetylene gas/vapour?

Exercise 2 on Gas Group & Temp. Class Can the llA T1 motor go into the Acetylene gas/vapour? Acetylene llC Ign. Temp. 305°C

Exercise 2 on Gas Group & Temp. Class Can the llC T1 motor go into the Ethylene gas/vapour?

Exercise 2 on Gas Group & Temp. Class Can the llC T1 motor go into the Ethylene gas/vapour? Ethylene llB Ign. Temp. 425°C

Exercise 2 on Gas Group & Temp. Class Can the llC T6 motor go into the Hydrogen gas/vapour?

Exercise 2 on Gas Group & Temp. Class Can the llC T6 motor go into the Hydrogen gas/vapour? Hydrogen llC Ign. Temp. 560°C

Exercise 2 on Gas Group & Temp. Class Can the llB T2 motor go into the Cyclohexane gas/vapour (Ign. Temp. 259 C)

Exercise 2 on Gas Group & Temp. Class Can the llB T2 motor go into the Cyclohexane gas/vapour Cyclohexane llA Ign. Temp. 259°C

Question 1B Hydrogen Gas Group?

Answer 1B Hydrogen - llC

Petrol/Gasoline Gas Group? Question 2B Petrol/Gasoline Gas Group?

Answer 2B Petrol/Gasoline - llA

Question 3B Ethylene Gas Group?

Answer 3B Ethylene - llB

Question 4B Propane Gas Group?

Answer 4B Propane - llA

Hydrogen Sulphide Gas Group? Question 5B Hydrogen Sulphide Gas Group?

Hydrogen Sulphide - llB Answer 5B Hydrogen Sulphide - llB

Question 6B Acetylene Gas Group?

Answer 6B Acetylene - llC

Question 7B A – Can be used in with llA Gases Only If the Gas Group BASEEFA marking just has a ll and no A, B or C after it where can it be used? A – Can be used in with llA Gases Only B – Can be used in with llB Gases Only C – Can be used in with llC Gases Only D – Can be used in all Group ll Gas/Vapours

Answer 7B A – Can be used in with llA Gases Only If the Gas Group BASEEFA marking just has a ll and no A, B or C after it where can it be used? A – Can be used in with llA Gases Only B – Can be used in with llB Gases Only C – Can be used in with llC Gases Only D – Can be used in all Group ll Gas/Vapours

Question 8B Which Statement is true? A – I can put gas group llA into gas group llB area B – I can put gas group llB into gas group llC area C – I can put gas group llA into gas group llC area D – I can put gas group llC into gas group llA area

Answer 8B Which Statement is true? A – I can put gas group llA into gas group llB area B – I can put gas group llB into gas group llC area C – I can put gas group llA into gas group llC area D – I can put gas group llC into gas group llA area

Question 1C - What are the three items for Combustion? 1 2 3

Answer 1C - What are the three items for Combustion? 1 2 3

How many Temperature Classes are there? Question 2C How many Temperature Classes are there? 5 6 7 8

How many Temperature Classes are there? Answer 2C How many Temperature Classes are there? 5 6 7 8

What Temperature are the following: Question 3C What Temperature are the following: a – T1 b – T6 c – T3

What Temperature are the following: Answer 3C What Temperature are the following: a – T1 – 450 b – T6 – 85 c – T3 – 200

Question 4C What is the temperature at which a gas/air mixture will ignite spontaneously? a – Boiling Point? b – Flash Point? c – Ignition Temperature? d – Flash-off Temperature?

Answer 4C a – Boiling Point? What is the temperature at which a gas/air mixture will ignite spontaneously? a – Boiling Point? b – Flash Point? c – Ignition Temperature? d – Flash-off temperature?

What is meant by Temperature Class T1 – T6? Question 5C What is meant by Temperature Class T1 – T6? a – The surface temperature never go over the ‘T’ class stated on it under any conditions! b – The surface temperature will always reach the ‘T’ class stated on it under normal and specified fault conditions. c – The relevant surface temperature will never go over the ‘T’ class stated on it under normal and specified fault

What is meant by Temperature Class T1 – T6? Answer 5C What is meant by Temperature Class T1 – T6? a – The surface temperature never go over the ‘T’ class stated on it under any conditions! b – The surface temperature will always reach the ‘T’ class stated on it under normal and specified fault conditions. c – The relevant surface temperature will never go over the ‘T’ class stated on it under normal and specified fault

Question 6C -30oC to +40oC -10oC to +50oC -20oC to +40oC What is the Ambient Temperature for T1 – T6 -30oC to +40oC -10oC to +50oC -20oC to +40oC -10 C to +40 C

Answer 6C -30oC to +40oC -10oC to +50oC -20oC to +40oC -10 C to +40 C What is the Ambient Temperature for T1 – T6 -30oC to +40oC -10oC to +50oC -20oC to +40oC -10 C to +40 C

Question 8C a – Boiling Point? What is the temperature at which a gas/air mixture will give off sufficient fumes so can be ignited by an external ignition source? a – Boiling Point? b – Flash Point? c – Ignition Temperature? d – Flash off Temperature?

Answer 8C What is the temperature at which a gas/air mixture will give off sufficient fumes so can be ignited by an external ignition source? a – Boiling Point? b – Flash Point? c – Ignition Temperature? d – Flash off Temperature?

Which one below is correct? Question 17 Which one below is correct? Zone 0 / Ga / 1D Zone 2 / Gb / 3G Zone 1 / Gb / 2G Zone 0 / Gc / 1G

Which one below is correct? Answer 17 Which one below is correct? Zone 0 / Ga / 1D Zone 2 / Gb / 3G Zone 1 / Gb / 2G Zone 0 / Gc / 1G

Question 1D What is ‘Mark’ No. 1

The Atex Explosion Protection Mark Answer 1D The Atex Explosion Protection Mark

Question 5D What is ‘Sign’ No. 5

To warn People they are Entering a Hazardous Area Answer 5D To warn People they are Entering a Hazardous Area

Question 2E Which Zones of the following can EExd llA T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llA T1 d – Zone 20 lllA T3 e – Zone 1 llC T4 f – Zone 0 llC T6

Answer 2E Which Zones of the following can EExd llA T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llA T1 d – Zone 20 lllA T3 e – Zone 1 llC T4 f – Zone 0 llC T6

Question 6E Before I put power onto a Flameproof enclosure what is the minimum number of bolts I must put in the cover? 1 – Every other bolt spanner tight 2 – One bolt opposite the hinge spanner tight 3 – All bolts spanner tight 4 – One bolt at each corner spanner tight

Answer 6E Before I put power onto a Flameproof enclosure what is the minimum number of bolts I must put in the cover? 1 – Every other bolt spanner tight 2 – One bolt opposite the hinge spanner tight 3 – All bolts and spanner tight 4 – One bolt at each corner spanner tight

Question 7E What can I put on the flameproof faces of EExd equipment to improve the IP? 1 – Non setting grease bearing textile tape 2 – Non setting grease 3 – Hard setting resin 4 – Nothing as EExd equipment has good IP

Answer 7E What can I put on the flameproof faces of EExd equipment to improve the IP? 1 – Non setting grease bearing textile tape 2 – Non setting grease 3 – Hard setting resin 4 – Nothing as EExd equipment has good IP

Question 8E What is the Minimum IP protection for EExe equipment?

Answer 8E What is the Minimum IP protection for 2 – IP44 3 – IP54 EExe equipment? 1 – IP20 2 – IP44 3 – IP54 4 – IP68

Question 1E Which Zones of the following can EExd llC T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llA T1 d – Zone 20 lllA T3 e – Zone 1 llC T4 f – Zone 0 llC T6

Answer 1E Which Zones of the following can EExd llC T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llA T1 d – Zone 20 lllA T3 e – Zone 1 llC T4 f – Zone 0 llC T6

Question 2E Which Zones of the following can EExd llA T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llA T1 d – Zone 20 lllA T3 e – Zone 1 llC T4 f – Zone 0 llC T6

Answer 2E Which Zones of the following can EExd llA T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llA T1 d – Zone 20 lllA T3 e – Zone 1 llC T4 f – Zone 0 llC T6

Question 3E Which Zones of the following can EExia llC T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llA T1 d – Zone 20 lllC T3 e – Zone 1 llC T4 f – Zone 0 llC T6

Answer 3E Which Zones of the following can EExia llC T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llA T1 d – Zone 20 lllC T3 e – Zone 1 llC T4 f – Zone 0 llC T6

Question 4E Which Zones of the following can EExnR llA T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llA T1 d – Zone 20 lllA T6 e – Zone 1 llC T4 f – Zone 0 llC T6

Answer 4E Which Zones of the following can EExnR llA T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llA T1 d – Zone 20 lllA T6 e – Zone 1 llC T4 f – Zone 0 llC T6

Question 5E Which Zones of the following can EExde llC T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llC T1 d – Zone 20 lllC T6 e – Zone 1 llC T4 f – Zone 0 llC T6

Answer 5E Which Zones of the following can EExde llC T6 go into: a – Zone 0 llA T5 b – Zone 2 llB T4 c – Zone 2 llC T1 d – Zone 20 lllC T6 e – Zone 1 llC T4 f – Zone 0 llC T6

Question 9E EExia in brackets - [EExia] Does it mean: a – The equipment is ‘Intrinsically Safe’? b – The equipment is ‘Associated Equipment’? c – The equipment cannot be installed in the Hazardous Area?

Answer 9E EExia in brackets - [EExia] Does it mean: a – The equipment is ‘Intrinsically Safe’? b – The equipment is ‘Associated Equipment’? c – The equipment cannot be installed in the Hazardous Area?

Question 10E What Dimensions are the following; Distance from Live Parts of IS Circuits to Non-IS Terminals?

Answer 10E What Dimensions are the following; Distance from Live Parts of IS Circuits to Non-IS Terminals? 50mm

Question 11E What Dimensions are the following; Distance from Live Parts of IS Circuits to Earthed Metal?

Answer 11E What Dimensions are the following; Distance from Live Parts of IS Circuits to Earthed Metal? 3mm

Question 12E What Dimensions are the following; Distance from Live Parts of IS Circuits to other IS Circuits?

Answer 12E What Dimensions are the following; Distance from Live Parts of IS Circuits to other IS Circuits? 6mm

Question 13E Where should the screen be connected on an IS System? 1 – To Earth at the Hazardous Area? 2 – To Clean Earth at the Non-Hazardous Area? 3 – To Dirty Earth at the Non-Hazardous Area? 4 – As shown on the Loop / Hook up Diagram?

Answer 13E Where should the screen be connected on an IS System? 1 – To Earth at the Hazardous Area? 2 – To Clean Earth at the Non-Hazardous Area? 3 – To Dirty Earth at the Non-Hazardous Area? 4 – As shown on the Loop / Hook up Diagram?

Question 14E On an EExnR Bulkhead Fitting an IP Washer is: 1 – Not required at all 2 – Fitted between the Gland and Earth Tag 3 – Fitted next to the Fitting

Answer 14E On an EExnR Bulkhead Fitting an IP Washer is: 1 – Not required at all 2 – Fitted between the Gland and Earth Tag 3 – Fitted next to the Fitting

Question 16E 1 – EEx d 2 – EEx m 3 – EEx p 4 – EEx q Which protection below allows the gas to enter without compromising safety: 1 – EEx d 2 – EEx m 3 – EEx p 4 – EEx q

Answer 16E 1 – EEx d Flameproof! 2 – EEx m 3 – EEx p 4 – EEx q Which protection below allows the gas to enter without compromising safety: 1 – EEx d Flameproof! 2 – EEx m 3 – EEx p 4 – EEx q

Question 17E 1 – EEx d 2 – EEx p 3 – EEx i 4 – EEx n Which protection below is specifically designed to keep the gas out: 1 – EEx d 2 – EEx p 3 – EEx i 4 – EEx n

Answer 17E 1 – EEx d 2 – EEx p Pressurisation! 3 – EEx i 4 – EEx n Which protection below is specifically designed to keep the gas out: 1 – EEx d 2 – EEx p Pressurisation! 3 – EEx i 4 – EEx n

Question 18E 1 – EExnA – EExnB – EExnC – EExnD Which of the following are the 4 sub-divisions of EEx’n’: 1 – EExnA – EExnB – EExnC – EExnD 2 – EExnV – EExnW – EExnX – EExnY 3 – EExnA – EExnC – EExnL – EExnR 4 – EExno – EExnq – EExne – EExnd

Answer 18E 1 – EExnA – EExnB – EExnC – EExnD Which of the following are the 4 sub-divisions of EEx’n’: 1 – EExnA – EExnB – EExnC – EExnD 2 – EExnV – EExnW – EExnX – EExnY 3 – EExnA – EExnC – EExnL – EExnR 4 – EExno – EExnq – EExne – EExnd

Question 19E 1 – pw 2 – px 3 – py 4 – pz Which is the higher Pressurisation Sub-Division? 1 – pw 2 – px 3 – py 4 – pz

Answer 19E Which is the higher Pressurisation Sub-Division? 1 – pw 2 – px 3 – py 4 – pz Zone 1 outside, sparking non classified inside! If Purge is lost then: Auto. Isolation of Electrical Equipment & Alarm

Question 2F Cable sheath & filler Non-Hygroscopic does it mean: 1 – The cable is not round 2 – The cable sheath & filler is not water absorbent 3 – The cable sheath & filler is acid resistant 4 – The cable sheath & filler is impact resistant

Answer 2F Cable sheath & Filler Non-Hygroscopic does it mean: 1 – The cable is not round 2 – The cable sheath & filler is not water absorbent 3 – The cable sheath & filler is acid resistant 4 – The cable sheath & filler is impact resistant

Question 3F Which Statement is true? Intrinsically safe cable has to : 1 – Be Blue 2 – Withstand a 500Volt ac or 750Volt dc test 3 – Be PVC Covered 4 – Withstand a 500Volt ac and 750Volt dc test

Answer 3F Which Statement is true? Intrinsically safe cable has to : 1 – Be Blue 2 – Withstand a 500Volt ac or 750Volt dc test 3 – Be PVC Covered 4 – Withstand a 500Volt ac and 750Volt dc test

Question 6F The cable is limited to 16mm2 minimum if: 1 – It is fibre optic 2 – It is Copper 3 – It is Aluminum 4 – It is Intrinsically safe

Answer 6F The cable is limited to 16mm2 minimum if: 1 – It is fibre optic 2 – It is Copper 3 – It is Aluminum 4 – It is Intrinsically safe

Question 7G What is the least number of threads of a Flameproof gland that have to be inserted into the equipment: 1 – 3 2 – 4 3 – 5 4 – 6

Answer 7G What is the least number of threads of a Flameproof gland that have to be inserted into the equipment: 1 – 3 2 – 4 3 – 5 4 – 6 The equipment has to be 6 threads to allow you to get your 5 on the gland!

Question 9G Which Statement below is NOT true: 1 – Pre-January 2008 I could use an uncertified two seal gland in an EExe Junction Box 2 – Pre-January 2008 I could use an uncertified two seal gland in an EExn/N Junction Box 3 – Pre-January 2008 I could use an uncertified two seal gland in an EExd Junction Box

Answer 9G Which Statement below is NOT true if any: 1 – Pre-January 2008 I could use an uncertified two seal gland in an EExe Junction Box 2 – Pre-January 2008 I could use an uncertified two seal gland in an EExn/N Junction Box 3 – Pre-January 2008 I could use an uncertified two seal gland in an EExd Junction Box It was never the case that uncertified glands could be used in Flameproof equipment!

Question 10G 1 – By putting an earth clip on the plastic How do we deal with the risk of static on plastic covered cable tray? 1 – By putting an earth clip on the plastic 2 – By putting in the largest size tray possible 3 – By limiting the surface area of the tray 4 – Not taking any action at all

Answer 10G 1 – By putting an earth clip on the plastic How do we deal with the risk of static on plastic covered cable tray? 1 – By putting an earth clip on the plastic 2 – By putting in the largest size tray possible 3 – By limiting the surface area of the tray 4 – Not taking any action at all

Question 11G What Insulation Resistance does plastic covered cable tray not have to exceed? 1 – 1 Micro-Ohm 2 – 1 Ohm 3 – 1 Meg-Ohm 4 – 1 Gig-Ohm

Answer 11G What Insulation Resistance does plastic covered cable tray not have to exceed? 1 – 1 Micro-Ohm 2 – 1 Ohm 3 – 1 Meg-Ohm 4 – 1 Gig-Ohm

Question 3H a – Visual b – Initial c – Sample d – Close When Commissioning Equipment before it is brought into service which Type of Inspection? a – Visual b – Initial c – Sample d – Close

Answer 3H a – Visual b – Initial c – Sample d – Close When Commissioning Equipment before it is brought into service which Type of Inspection? a – Visual b – Initial c – Sample d – Close

Question 4H What would I have with me on a Lighting Circuit Visual Inspection? 1 – The Lighting Schematic Diagram 2 – The Area Classification Drawing 3 – The Manufacturer’s Equipment Data Sheets 4 – The Light Fitting Repair Manual

Answer 4H What would I have with me on a Lighting Circuit Visual Inspection? 1 – The Lighting Schematic Diagram 2 – The Area Classification Drawing 3 – The Manufacturer’s Equipment Data Sheets 4 – The Light Fitting Repair Manual

Question 5H Which inspection below would tools NOT be required? 1 – Visual 2 – Close 3 – Detailed 4 – Initial

Answer 5H Which inspection below would tools NOT be required? 1 – Visual 2 – Close 3 – Detailed 4 – Initial You would only have an Area Classification Drawing with you!

Question 6H Which part of the Standard covers Inspections? a – BS EN 60079 – 10 b – BS EN 60079 – 14 c – BS EN 60079 – 17 d – BS EN 60079 – 19

Answer 6H Which part of the Standard covers Inspections? a – BS EN 60079 – 10 b – BS EN 60079 – 14 c – BS EN 60079 – 17 d – BS EN 60079 – 19

Question 7H Which Grade of inspection would I Isolate, open up and check internal connections? 1 – Visual 2 – Close 3 – Detailed

Answer 7H Which Grade of inspection would I Isolate, open up and check internal connections? 1 – Visual 2 – Close 3 – Detailed

Question 9H Which Grade of inspection would I use tools, but could do it whilst the circuit was live? 1 – Visual 2 – Close 3 – Detailed 4 – Initial

Answer 9H Which Grade of inspection would I use tools, but could do it whilst the circuit was live? 1 – Visual 2 – Close 3 – Detailed 4 – Initial

Question 1I 1 – Be wearing rubber gloves When you are working live in a Hazardous Area without a gas free certificate, would you: 1 – Be wearing rubber gloves 2 – Be working on 110 Volts or less 3 – Be working on an IS Circuit 4 – Have roped off the area for safety

Answer 1I 1 – Be wearing rubber gloves When you are working live in a Hazardous Area without a gas free certificate, would you: 1 – Be wearing rubber gloves 2 – Be working on 110 Volts or less 3 – Be working on an IS Circuit 4 – Have roped off the area for safety

Question 2I 1 – Remove the fuse from the distribution board What is the minimum isolation when working on electrical equipment in a hazardous area: 1 – Remove the fuse from the distribution board 2 – Operation of an on load double pole switch & locked in the off position 3 – Operation of an off load double pole switch & locked in the off position 4 – Operation of a single pole switch & locked in the off position

You must cut the Neutral also to stop Neutral – Earth Sparks! Answer 2I What is the minimum isolation when working on electrical equipment in a hazardous area: 1 – Remove the fuse from the distribution board 2 – Operation of an on load double pole switch & locked in the off position 3 – Operation of an off load double pole switch & locked in the off position 4 – Operation of a single pole switch & locked in the off position You must cut the Neutral also to stop Neutral – Earth Sparks!

Document Control (This slide may be hidden from your presentation, but is required to be the final slide.) Revision History Document Title: Hazardous Area Timefiller part 2 Revised by: K Knight Approved by: P Clark Document Number: TRPP.37 Revision: A Approval Date: 11/04/16 Revision: Revision Date: Reason for Revision: (Complete Document Change Request, QL02F.01 with details of changes) A 11/04/16 Initial Release B C