Materials and Construction Kel-F is a material, which is Having elastomeric properties Chemically known as polychlorotrifluor-oethylene (PTFE) All of these Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties Chemically known as polychlorotrifluor-oethylene (PTFE) All of these Having excellent chemical & high temperature resistance (upto 200°C) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel tools retain their hardness upto a temperature of __________ °C. 1100 900 750 500 1100 900 750 500 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The loss of strength in compression which occurs, when there is a gain of strength in tension due to over loading is called Bauschinger effect Relaxation Hysterisis Hooke's effect Bauschinger effect Relaxation Hysterisis Hooke's effect ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cold work tool steel should have Poor hardenability High toughness All of these High wear resistance Poor hardenability High toughness All of these High wear resistance ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is a low melting point metal? Wrought iron Stainless steel Tin Copper Wrought iron Stainless steel Tin Copper ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Balls in a ball mill are usually made of Steel Cast iron Stainless steel Bronze Steel Cast iron Stainless steel Bronze ANSWER DOWNLOAD EXAMIANS APP
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