Materials and Construction Ball bearings are normally made of __________ steel. Chrome High speed Silicon High carbon Chrome High speed Silicon High carbon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with Rubber Karbate Lead or acid-proof bricks Acidic refractory Rubber Karbate Lead or acid-proof bricks Acidic refractory ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Pure nickel is Not resistant to oxidation at high temperature Ferromagnetic at room temperature Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) Not resistant to oxidation at high temperature Ferromagnetic at room temperature Having h.c.p. crystal lattice Ferromagnetic above its curie point (i.e., 415°C) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal (used for making bearings) comprises of Copper and aluminium Saw dust and iron dust mixture Mainly tin (85%) and lead Zinc and aluminium Copper and aluminium Saw dust and iron dust mixture Mainly tin (85%) and lead Zinc and aluminium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by Phosphoric acid Sulphuric acid (10%) Caustic soda solution None of these Phosphoric acid Sulphuric acid (10%) Caustic soda solution None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aqueous nitric acid is stored in __________ vessel. Stainless steel Thermosetting plastic material Plain carbon steel Cast iron Stainless steel Thermosetting plastic material Plain carbon steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
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