General Test From Actual Bgas Exams

1-Damp surface as per PA10 describes as A B C D

Non noticeable paint film Noticeable paint film No detectable water Detectable water film

2-Natural oil is A B C D

Aromatic solvent binder Water soluble binder Ketone soluble binder Aliphatic solvents soluble binder

3-Factors that affect corrosion rate A B C D

Anode , cathode , electrolyte Temperature ,velocity of wind ,hygroscopic salts Metal eating microbes, alkali ,acids Alkaline solution , acid rain ,corrosion inhibitor

4-One of the below items is used to determine WFT A B C D

Exentric wheel Hexagonal comf Paint calculation Test panel

5-The most economical paint mill A B C D

Ball mill Attritor High speed disperser Pearl mill

6-The best application method which execute a uniform thickness A B C D

Roller & brush Conventional Airless Electrostatic

7-One of the disadvantage of using electrostatic A B C D

Uniform DFT Very cheap method Any substrate can be painted using these method Metals only can be painted by these method

8-One test from determining contamination tests uses photograph process A B C d

Dust test Potassium ferric cyanide (potassium hexa cyano ferrate) Silver nitrate test Merkquant test

9- The tests achieved for determining contamination on substrate A B C d

Only achieved after blasting Can be achieved after blasting Only achieved before blasting Shall be achieved prior painting

10-Sand is prohibited as abrasive by A B C d

EH40 IGE SR21 COSHH regulation BS 7079

11-When pinholes appear in final coat we shall A B C D

Repair directly Abrade and recoat Re-blast High pressure water jetting

12-The responsible for appearance of flash rust is A B C D

Hackle Sliver Lamination Humidity

13-The highest safe painting equipment A B C D

Airless spray Electrostatic spray Conventional air spray Hot dip coating

14- Mill-scale will cause corrosion to steel because A B C D

Bimetallic contact Direct contact in the presence of electrolyte Steel is more noble than millscale Mill-scale is more reactive than steel

15-The temperature at which mill-scale formed is A B C D

Equal 580 c Below 580 c Excess 580 c None of the above

16-A device used for painting inspector but it is destructive A B C D

Forman gauge AGI PIG Holiday test

17-Paint can be used for hot duty surface A B C D

IZS METHYL ETHYL KETONE AST MCL

18-We can determine the accurate nozzle size for applying painting using airless from A B C D

Product data sheet (PDS) British gas specification PA10 The suitable one by sprayer Safety data sheet (MSDS)

19-Direct charge mill A B C d

Pearl mill Bead mill Attritor mill Sand mill

20-The induction time equal A B C D

10 min 15 min 20min 5 min

21-Millscale cannot appeared at surface finish equal to A B C D

SP5 SP6 SP7 SP10

22-The material used for pickling is A B C d

Phosphoric acid Chromic acid Sulpheric acid Nitrate acid

23-One of the laminar pigment is A B C d

Slate flour Graphite Red lead Coal tar

24-Nontoxic pigment is A B C d

Coal tar Red lead Zinc chromate Zinc phosphate

25-Antisettling agent is A B C d

Methyl ethyl ketoxime Octoates & naphates of heavy metals Bentones and wax Cellulosic fiber

26-When we are using needle gun and the profile was high we shall ………… to reduce the profile A B C D

Re-blast Water jet Leave it as it is Sanding

27-The most preferable expendable abrasive in BGAS is A B C D

Garnet Al oxide Coal slag Copper slag

28-Garnet can be recycled at BGAS site A B C D

One time Two time Three time Zero time

29-Density can be measured by A B C d

cc/gm gm/cc Meter/gm gm/litre

30-Passivation is …………… A B C d

Degradation of metal by chemical & electrochemical mean Substance which current can be conduct or break down by it Formation of dense layer of oxide Formation of thin layer of oxide

31-Banana gauge accuracy is A B C d

±0.5% ±the lowest degree of steel to be painted ±15% ±the concentration of phosphoric acid in passivation

32- The electrons transfer from ………. In corrosion circuit A B C d

From anode to cathode From cathode to anode via electrolyte From cathode to anode via metallic pathway None of the above

33-In British gas site roller A B C d

May be used Shall be used Not allowed to be used Not recommended to be used

34-In the compliant systems in PA10 as per SPA1-e, the number of coats will be A B C d

2 3 4 5

35- Density cup have a different name like A B C d

Striptometer Densitometer Pyrometer Pyknometer

36-The orifice size in ford flow cup N 4 is A B C d

1 mm 2mm 3mm 4mm

37-In airless spray machine there is A B C d

One air hose Two air hose Three air hose None of the above

38-Which surfaces come in hot duty surfaces A B C d

Metal surface attaining temp above 340 c Metal surface attaining temp. above 100 c Metal surface attaining temp. above 37 c Metal surface attaining temp. above 540 c

39- A solution polymer is A B C d

Natural and oil resin Polyurethane Vinyl Epoxy

40-When we are checking the DFT for the primer of a paint system which contain MIO,DFT shall be measured with ........ as per PA10 A B C d

Eccentric wheel Wet comb Banana gauge PIG

41-Dressing process can be executed with A B C d

Sand paper Emery cloth Water jetting Grinding

42-Power tool can be used at BG site A B C D

for narrow area For short term maintenance Only after the approval of inspector (paint technologist) Only after the approval of engineer

43-The minimum degree of surface preparation at BG site is A B C D

St2 St3 Sa1 Sa2

44- The maximum degree of surface cleanliness as BG (PA10) is A B C D

Sa 2.5 Sa3 Wa2.5 Wa2

45-When using water jetting in BG site the surface finish shall be A B C d

(M) flash rust , Wa 2.5 (L) flash rust , Wa 1 (L) flash rust , Wa 2 (H) flash rust , Wa 2