Materials and Construction Ceramic recuperators are generally made of Calcium carbide Fireclay bricks Silicon carbide High alumina bricks Calcium carbide Fireclay bricks Silicon carbide High alumina bricks ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardened steel essentially contains Troostite Sorbite None of these Martensite Troostite Sorbite None of these Martensite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the lightest of engineering metals? Titanium Tin Aluminium Magnesium Titanium Tin Aluminium Magnesium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the highest compressive strength? High carbon steel Cast iron Wrought iron Mild steel High carbon steel Cast iron Wrought iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Semi steel' is Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Neither A nor B Both A & B Produced by adding 10-20% steel to the cupola charge Stronger than cast iron Neither A nor B Both A & B ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Increases its strength Is desirable Makes it brittle Increases its hardness Increases its strength Is desirable Makes it brittle Increases its hardness ANSWER DOWNLOAD EXAMIANS APP