Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Stainless steel Graphite Monel Kel-F and teflon Stainless steel Graphite Monel Kel-F and teflon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Ferric stainless steels compared to austenitic stainless steels Are harder to fabricate All of these Have lower corrosion resistance Are less ductile and hence less suitable for cold pressing Are harder to fabricate All of these Have lower corrosion resistance Are less ductile and hence less suitable for cold pressing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is Acid resistant, brittle and very hard All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion High silicon iron Acid resistant, brittle and very hard All of these Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion High silicon iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Age hardening' of duralumin is due to Magnesium Copper Both A & B Neither A nor B Magnesium Copper Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is a light alloy? Dow metal Monel metal German silver Babbit metal Dow metal Monel metal German silver Babbit metal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of copper and tin? Bell metal Gun metal Monel metal Admiralty gun metal Bell metal Gun metal Monel metal Admiralty gun metal ANSWER DOWNLOAD EXAMIANS APP
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