Materials and Construction A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. 500 5 100 250 500 5 100 250 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is used for examining the macro-structure of a material. Metallurgical microscope Visual inspection by naked eye X-rays Optical microscope Metallurgical microscope Visual inspection by naked eye X-rays Optical microscope ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The most resistant material to alkaline corrosion is Karbate Nickel Aluminium Duriron Karbate Nickel Aluminium Duriron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel should have high Both B & C Toughness Wear resistance Hardenability Both B & C Toughness Wear resistance Hardenability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of manganese in alloy steel improves its Abrasion resistance & toughness Cutting ability Elasticity & creep resistance Corrosion resistance Abrasion resistance & toughness Cutting ability Elasticity & creep resistance Corrosion resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Semi steel' is Produced by adding 10-20% steel to the cupola charge Neither A nor B Both A & B Stronger than cast iron Produced by adding 10-20% steel to the cupola charge Neither A nor B Both A & B Stronger than cast iron ANSWER DOWNLOAD EXAMIANS APP
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