YouTube versity [AU https:/ ppsjassessment/take/launch jsp?c id 100285 1&course;

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YouTube versity [AU https:/ ppsjassessment/take/launch jsp?c id 100285 1&course;,id 80378 1&content.Jd;,57540521 Question 1 Which one of the following processes is best suited to produce a wear resistant nickel-phosphorus (Ni-P) coating on a large component? Physical vapour deponition Chemical vacour deposition Electroplating Dectroless plasing Question 2 Which one of the following coating processes is best sulted to produce stablized airconia (zr02) coasings (ceramic) tor thermal insulation compressor blades in turbine engines? ° Flame spraying 0 Vacuum evaporation * Plasma spraying Diffusion Question 3 Which one of the sentences below Is NOT TRUE? Surtacn treatments an change the mior ofthe suface Spark hardening can depesit ceramic coaings Gavanizing is the oly method used to ost mehanicalfasseners wit a o Some plavra spraying processes ane conducted in Sutace remets can improve stress comosion Question 4 Which one of the sentences below is TRUE? It s net ponaiblie to depost a ceramie costing by amal spraying oan be produced by a Physical vecour deposibion cannot produce thin ceramic coatinge Save and Submit

Explanation / Answer

1.electroless plating -Nickel phosphorous coating is generally made by electroless plating.

2.plasma spraying

3.c

4.d

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