Materials and Construction 'Semi steel' is Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Both A & B Neither A nor B Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Both A & B Neither A nor B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Platinum and silver are corroded by None of these Sulphuric acid (10%) Caustic soda solution Phosphoric acid None of these Sulphuric acid (10%) Caustic soda solution Phosphoric acid ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material used in the filament of electric bulbs is German silver Tungsten Nichrome Constantan German silver Tungsten Nichrome Constantan ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Invar used in thermocouples is an alloy of nickel and Chromium Copper Iron Lead Chromium Copper Iron Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is used for determining the tensile strength of steels. Universal testing machine Hydraulic press Mechanical press None of these Universal testing machine Hydraulic press Mechanical press None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron compared to steel is better in Strength Ductility Fluidity & castability Malleability Strength Ductility Fluidity & castability Malleability ANSWER DOWNLOAD EXAMIANS APP