Materials and Construction Platinum and silver are corroded by Caustic soda solution Phosphoric acid None of these Sulphuric acid (10%) Caustic soda solution Phosphoric acid None of these Sulphuric acid (10%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following alloying elements is present in maximum percentage in high speed steel. Chromium Molybdenum Vanadium Tungsten Chromium Molybdenum Vanadium Tungsten ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Liners of a ball mill are never made of Lead Cast iron Rubber or ceramic material Alloy steel Lead Cast iron Rubber or ceramic material Alloy steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of silicon in steel None of these Decreases the blow holes formation tendency in castings Indicates that steel is not deoxidised properly Is in the form of free Si None of these Decreases the blow holes formation tendency in castings Indicates that steel is not deoxidised properly Is in the form of free Si ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Austenitic stainless steel Invar High speed steel Heat resisting steel Austenitic stainless steel Invar High speed steel Heat resisting steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Nickel made/clad equipments are suitable for handling Sulphuric acid (conc) Nitric acid & hydrochloric acid (conc) Fruit juices, milk & its products and caustic soda solution Ammonia (both aqueous & anhydrous) Sulphuric acid (conc) Nitric acid & hydrochloric acid (conc) Fruit juices, milk & its products and caustic soda solution Ammonia (both aqueous & anhydrous) ANSWER DOWNLOAD EXAMIANS APP
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