Materials and Construction Wrought iron is High carbon iron Malleable & ductile; and hence is used for chain links, hooks & couplings Highly resistance to acid corrosion An alloy of iron, chromium & carbon High carbon iron Malleable & ductile; and hence is used for chain links, hooks & couplings Highly resistance to acid corrosion An alloy of iron, chromium & carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for making bearings should have High-co-efficient of friction between journal and bearing Ability to retain lubricant on its surface Both B & C Low co-efficient of friction between journal and bearing High-co-efficient of friction between journal and bearing Ability to retain lubricant on its surface Both B & C Low co-efficient of friction between journal and bearing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following would not be a suitable material of construction for handling aqueous hydrofluoric acid (HF) at 100°C ? Graphite Monel Kel-F and teflon Stainless steel Graphite Monel Kel-F and teflon Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even very minute amount (say 0.1%) of __________ in copper, reduces its electrical conductivity very seriously. Antimony Both B and C Arsenic Bismuth Antimony Both B and C Arsenic Bismuth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Galvanising is generally done on Cast iron Stainless steel Non-ferrous metals Low carbon steel Cast iron Stainless steel Non-ferrous metals Low carbon steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In a plate type heat exchanger, heat transfer plates are never made of Cast iron Titanium Hastealloy C Stainless steel Cast iron Titanium Hastealloy C Stainless steel ANSWER DOWNLOAD EXAMIANS APP
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