atc88 day 1 hs master april 2008
DESCRIPTION
bgasTRANSCRIPT
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5/21/2018 Atc88 Day 1 Hs Master April 2008
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BGas PAINTING INSPECTION
SCREEN TEST ONE
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BGas PAINTING INSPECTIONQUESTION 1
Two examples of Hygroscopic Salts would be:a) Iron Phosphates and Iron Chromatesb) Iron Chlorates and Iron Oxidesc) Iron Sulphates and Iron Chloridesd) Iron Sulphides and Iron Silicates
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BGas PAINTING INSPECTION
What is an electrolyte?a) It is a mixture of salts and waterb) A substance which will conduct electricity andcause rustingc) Oxidising liquid which will attack steeld) A substance which will conduct a current andbe broken down by it
QUESTION 2
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BGas PAINTING INSPECTIONQUESTION 3
Corrosion is defined as:a) Rusting of the Cathode by electrophysicalmeansb) Oxidation of a metal in contact with waterc) Degradation of a material by chemical orelectrochemical meansd) Breakdown of the metal by hydrogen
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BGas PAINTING INSPECTIONQUESTION 4
Hydrogen is evolved at:a) The Anode at all timesb) The Cathode at all timesc) The Cathode as a by-product of the corrosionreactiond) The Anode as corrosion takes place
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BGas PAINTING INSPECTIONQUESTION 5
Which Blasting Grade best describesThorough Blast cleaning?
a) Sa 2b) Sa 2c) Sa 3d) Sa 1
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BGas PAINTING INSPECTIONQUESTION 6
What is the minimum standard of surface cleanlinessspecified by BGC/PS/PA 10?
a) Rust Grade Cb) St 3c) Sa 2 1/2d) 30 to 75 microns
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BGas PAINTING INSPECTIONQUESTION 7
In a corrosion Circuit, Electrons flow from:a) Anode to Cathode, via Electrolyteb) Positive to Negativec) Electrolyte to Steeld) Anode to Cathode, via metallic path
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BGas PAINTING INSPECTIONQUESTION 8
Rust Grade A can be described as:a) Tightly adhering Millscale, with evident heavypittingb) Clean white metalc) Tightly adhering Millscale, with no apparentcorrosiond) Millscale which has begun to flake, or can be
scraped away
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BGas PAINTING INSPECTIONQUESTION 9
Abrasive used on site for British Gas projects must be:a) Mixed with sand, to reduce costb) Dried in an oven prior to usec) Expendabled) Used up to a maximum of three times only.
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BGas PAINTING INSPECTIONQUESTION 1
Which is the more noble metal:A) SteelB) AluminiumC) MagnesiumD) Tin
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BGas PAINTING INSPECTIONQUESTION 11
Millscale is made up of which three oxide compounds?A) Rust, Iron oxide, and ScaleB) RSJ, RSC, and RSAC) Wustite, Magnetite, and HaematiteD) Iron Sulphate, Iron Chloride, and Iron Phosphate
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BGas PAINTING INSPECTIONQUESTION 12
Two factors to be considered when inspecting aSurface Preparation, are:A) Cleanliness and RoughnessB) Rust Grade and material typeC) Abrasive type and TimeD) Surface area and type of contamination
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BGas PAINTING INSPECTIONQUESTION 13
The Galvanic List is also known as:A) The Metallic Corrosion Potential ChartB) The Electromotive Forces SeriesC) The Element Forces OrderD) The Electronic Chemical Series
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BGas PAINTING INSPECTIONQUESTION 14
When using a Venturi Nozzle at 100psi, the abrasiveexits at approximately what speed?A) 200 mphB) 450 mphC) 1200 mphD) 100 mph
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BGas PAINTING INSPECTIONQUESTION 15
Copper Slag is also known as :A) GarnetB) Black sandC) Iron SilicaD) Steel Grit
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BGas PAINTING INSPECTIONQUESTION 16
The thickness of Millscale is approximately:a) 25 to 100b) 100 to 150 c) zerod) Dependant upon the material thickness
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BGas PAINTING INSPECTIONQUESTION 17
The force required to separate two surfaces incontact can also be termed:A) ViscosityB) ProfileC) AdhesionD) Blasting
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BGas PAINTING INSPECTIONQUESTION 18
Blasting in one area for too long, produces what?A) HacklesB) Rogue PeaksC) SliversD) Laminations
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BGas PAINTING INSPECTIONQUESTION 19
Metallic Shot also has which affect upon the material?A) Stress relievesB) Physically deformsC) Work hardensD) Causes Slivers
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BGas PAINTING INSPECTIONQUESTION 2
What is the main cause of flash rusting on a substrate?A) Rogue PeaksB) MoistureC) HacklesD) Hygroscopic Salts
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BGas PAINTING INSPECTIONQUESTION 21
What is the main advantage of using Testex papers forsurface profile measurement?
A) It also measures cleanlinessB) Most accurate over a large areaC) Easy to useD) Permanent record
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BGas PAINTING INSPECTIONQUESTION 22
Which of the following could be classified as a majorcause of microbial corrosion:A) Sulphur Eating MetalB) Sulphate Reducing BacteriaC) Rust inhibitive saltsD) Iron Phosphates
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BGas PAINTING INSPECTIONQUESTION 23
Three factors which accelerate the rate of corrosion are:a) Temperature, Time, and Coating systemb) Bi-metallic contact, Hygroscopic Salts, and Bacteriac) Coating system, Pipe diameter, and Ultra Violet lightd) Blasting Grades, Rust Grades, and Surface Profile
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BGas PAINTING INSPECTIONQUESTION 24
How many Abrasive Blast Cleaning photographsare in BS 7079 part A?
a) 4b) 14c) 8d) 16
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BGas PAINTING INSPECTIONQUESTION 25
British Gas PA 10 specifies a surface profile of:A) 30 microns to 75 micronsB) 100 microns to 150 micronsC) 10 microns to 40 micronsD) More than 90 microns
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BGas PAINTING INSPECTION
SWAP YOUR PAPERS PLEASE
PUT YOUR NAME ON
YOUR PAPER,
AND PASS IT TO SOMEONE
ELSE TO CHECK
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BGas PAINTING INSPECTIONQUESTION 1
Two examples of Hygroscopic Salts would be:a) Iron Phosphates and Iron Chromatesb) Iron Chlorates and Iron Oxidesc) Iron Sulphates and Iron Chloridesd) Iron Sulphides and Iron Silicates
ANSWER: C
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BGas PAINTING INSPECTION
What is an electrolyte?a) It is a mixture of salts and waterb) A substance which will conduct electricity andcause rustingc) Oxidising liquid which will attack steeld) A substance which will conduct a current andbe broken down by it
QUESTION 2
ANSWER: D
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BGas PAINTING INSPECTIONQUESTION 3
Corrosion is defined as:a) Rusting of the Cathode by electrophysicalmeansb) Oxidation of a metal in contact with waterc) Degradation of a material by chemical orelectrochemical meansd) Breakdown of the metal by hydrogen
ANSWER: C
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BGas PAINTING INSPECTIONQUESTION 4
Hydrogen is evolved at:a) The Anode at all timesb) The Cathode at all timesc) The Cathode as a by-product of the
corrosion reactiond) The Anode as corrosion takes place
ANSWER: C
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BGas PAINTING INSPECTIONQUESTION 5
Which Blasting Grade best describes Thorough
Blast cleaning?
(a) Sa 2(b) Sa 2
(c) Sa 3
(d) Sa 1
ANSWER: A
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BGas PAINTING INSPECTION
QUESTION 6What is the minimum standard of surface cleanlinessspecified by BGC/PS/PA 10?a) Rust Grade Cb) St 3c) Sa 2 1/2d) 30 to 75 microns
ANSWER: C
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BGas PAINTING INSPECTIONQUESTION 7
In a corrosion Circuit, Electrons flow from:a) Anode to Cathode, via Electrolyteb) Positive to Negativec) Electrolyte to Steeld) Anode to Cathode, via metallic path
ANSWER: D
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BGas PAINTING INSPECTIONQUESTION 8
Rust Grade A can be described as:a) Tightly adhering Millscale, with evident heavypittingb) Clean white metalc) Tightly adhering Millscale, with no apparentcorrosiond) Millscale which has begun to flake, or can be
scraped awayANSWER: C
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BGas PAINTING INSPECTIONQUESTION 9
ANSWER: C
Abrasive used on site for British Gas projects must be:a) Mixed with sand, to reduce costb) Dried in an oven prior to usec) Expendabled) Used up to a maximum of three times only.
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BGas PAINTING INSPECTIONQUESTION 1
Which is the more noble metal:A) SteelB) AluminiumC) MagnesiumD) Tin
ANSWER: D
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BGas PAINTING INSPECTIONQUESTION 11
ANSWER: C
Millscale is made up of which three oxide compounds?A) Rust, Iron oxide, and ScaleB) RSJ, RSC, and RSAC) Wustite, Magnetite, and HaematiteD) Iron Sulphate, Iron Chloride, and Iron Phosphate
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BGas PAINTING INSPECTIONQUESTION 12
Two factors to be considered when inspecting aSurface Preparation, are:A) Cleanliness and RoughnessB) Rust Grade and material typeC) Abrasive type and TimeD) Surface area and type of contamination
ANSWER: A
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BGas PAINTING INSPECTIONQUESTION 13
The Galvanic List is also known as:A) The Metallic Corrosion Potential ChartB) The Electromotive Forces SeriesC) The Element Forces OrderD) The Electronic Chemical Series
ANSWER: B
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BGas PAINTING INSPECTIONQUESTION 14
When using a Venturi Nozzle at 100psi, the abrasiveexits at approximately what speed?
A) 200 mphB) 450 mphC) 1200 mphD) 100 mph
ANSWER: B
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BGas PAINTING INSPECTIONQUESTION 15
Copper Slag is also known as :A) GarnetB) Black sandC) Iron SilicaD) Steel Grit
ANSWER: C
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BGas PAINTING INSPECTIONQUESTION 16
The thickness of Millscale is approximately:a) 25 to 100b) 100 to 150 c) zerod) Dependant upon the material thickness
ANSWER: A
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BGas PAINTING INSPECTIONQUESTION 17
The force required to separate two surfaces incontact can also be termed:A) ViscosityB) ProfileC) AdhesionD) Blasting
ANSWER: C
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BGas PAINTING INSPECTIONQUESTION 18
Blasting in one area for too long, produces what?A) HacklesB) Rogue PeaksC) SliversD) Laminations
ANSWER: B
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BGas PAINTING INSPECTIONQUESTION 19
Metallic Shot also has which affect upon the material?A) Stress relievesB) Physically deformsC) Work hardensD) Causes Slivers
ANSWER: C
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BGas PAINTING INSPECTIONQUESTION 2
What is the main cause of flash rusting on a substrate?A) Rogue PeaksB) MoistureC) HacklesD) Hygroscopic Salts
ANSWER: B
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BGas PAINTING INSPECTIONQUESTION 21
What is the main advantage of using Testex papers forsurface profile measurement?A) It also measures cleanlinessB) Most accurate over a large areaC) Easy to useD) Permanent record
ANSWER: D
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BGas PAINTING INSPECTIONQUESTION 22
ANSWER: B
Which of the following could be classified as a majorcause of microbial corrosion:
A) Sulphur Eating MetalB) Sulphate Reducing BacteriaC) Rust inhibitive saltsD) Iron Phosphates
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BGas PAINTING INSPECTIONQUESTION 23
Three factors which accelerate the rate of corrosion are:a) Temperature, Time, and Coating systemb) Bi-metallic contact, Hygroscopic Salts, and Bacteriac) Coating system, Pipe diameter, and Ultra Violet lightd) Blasting Grades, Rust Grades, and Surface Profile
ANSWER: B
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BGas PAINTING INSPECTIONQUESTION 24
How many Abrasive Blast Cleaning photographsare in BS 7079 part A?a) 4b) 14c) 8d) 16
ANSWER: B
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BGas PAINTING INSPECTIONQUESTION 25
British Gas PA 10 specifies a surface profile of:A) 30 microns to 75 micronsB) 100 microns to 150 micronsC) 10 microns to 40 micronsD) More than 90 microns
ANSWER: A