Materials and Construction The addition of antimony in tin-based alloys improves its Impact strength and bonding strength Wear resistance Deformation resistance Rupture strength and hot hardness Impact strength and bonding strength Wear resistance Deformation resistance Rupture strength and hot hardness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Straight silicon steel (containing Si from 0.5 to 5%) because of their low hysterisis loss and high magnetic permeability are used for electrical appliances. Which of the following electrical appliances made of silicon steel contains maximum percentage of silicon (about 4%)? High frequency transformers Armature of small motors/generators Generators and small motors Induction motors High frequency transformers Armature of small motors/generators Generators and small motors Induction motors ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about Half One twelfth One fifth One third Half One twelfth One fifth One third ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is All of these Especially resistant to solutions containing H₂SO₄ Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Usually joined by burning (e.g. by melting to adjacent pieces with a torch) All of these Especially resistant to solutions containing H₂SO₄ Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Usually joined by burning (e.g. by melting to adjacent pieces with a torch) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of nitrogen in steel Is desirable Makes it brittle Increases its hardness Increases its strength Is desirable Makes it brittle Increases its hardness Increases its strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rotary kilns in cement industry are lined with____bricks. Fireclay Silica High alumina & high magnesia Lead Fireclay Silica High alumina & high magnesia Lead ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS