After carrying out an identification test of aluminum alloy with caustic soda

After carrying out an identification test of aluminum

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341. After carrying out an identification test of aluminum alloy with caustic soda, the caustic soda should be neutralized with : a) Phosphoric acid b) Copper sulphate solution c) Chromic anhydride solution #
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342. Steel wire brushes or steel wool should: a) be used to clean magnesium alloys b) be used to clean aluminium sheet # c) never be used on light alloys 243. What type of lubricant should be used when drilling aluminum? # 244. Three point micrometers are for measuring: # 345. To neutralize spilled battery acid on aluminum alloy, use: # 346. Hydrogen embrittlement of high tensile steel is caused if it is treated with : # a) Phosphoric acid b) Zinc Chromate c) Nitric acid 347. Dents in a tubular push-pull rod : # 348. Which of the following actions would be taken to fit a locking device to a Nut or bolt, if the correct torque has been reached but the locking device Will not fit # 349. A tolerance given on a dimension is indicated: # 350. When a piece of metal is bent, the surface of the metal on the outside of the bend is: a) in compression b) in tension c) neither in tension or in compression #
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351. The resistance between a flexible hose and a component should not exceed # 352. Oxides form very rapidly when alloys or metals are hot. It is important, therefore, when welding aluminum to use a : # 353. Bore tests of flexible hoses are carried out using a suitable ball or bobbin Of: # 354. When related to aeronautical engineering , the term “Inspection" is defined in the publication a) ANO article 11 b) Airworthiness Notice (AWN) 3 c) BCAR Section L # 355. In Gas Tungsten Arc (GTA) welding, a stream of inert gas is used to #
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  • Summer '17
  • sajad heidari
  • developer, Nondestructive testing, Aluminium alloy, Magnetic Particle Inspection, dye penetrant, dye penetrant inspection

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