Materials and Construction A bearing metal should not have Low thermal conductivity Enough plasticity High toughness Low co-efficient of friction Low thermal conductivity Enough plasticity High toughness Low co-efficient of friction ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphur melting pit in the sulphuric acid plant is made of Hard wood Steel or cement-brick lined Lead lined stainless steel Cast iron Hard wood Steel or cement-brick lined Lead lined stainless steel Cast iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Arsenic Oxygen Antimony Bismuth Arsenic Oxygen Antimony Bismuth ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) Highly resistant to corrosion (as much as stainless steel) A high carbon steel (0.5 to 1.5% carbon) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction For platinum thermocouples, lead wires are made of Copper & iron Copper & copper-nickel alloys Tin & nickel Iron & nickel Copper & iron Copper & copper-nickel alloys Tin & nickel Iron & nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Babbit metal used for making bearings should have High-co-efficient of friction between journal and bearing Both B & C Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface High-co-efficient of friction between journal and bearing Both B & C Low co-efficient of friction between journal and bearing Ability to retain lubricant on its surface ANSWER DOWNLOAD EXAMIANS APP