Materials and Construction Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%? Nickel Cast iron Steel Karbate Nickel Cast iron Steel Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Acid proof stoneware Cannot be heated Is broken by small temperature changes All of these Has very low strength Cannot be heated Is broken by small temperature changes All of these Has very low strength ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed steel should have high Hardenability Wear resistance Toughness Both B & C Hardenability Wear resistance Toughness Both B & C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Spark plugs, ignition tubes and electrodes are made of nickel __________ alloys. Beryllium Iron Copper Manganese Beryllium Iron Copper Manganese ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Duriron is Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these High silicon iron Acid resistant, brittle and very hard Prone to breakage due to thermal expansion because of its very high co-efficient of thermal expansion All of these High silicon iron Acid resistant, brittle and very hard ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is not an alloy of nickel and chromium? Inconel Duralumin Nimonic alloys Hastealloy Inconel Duralumin Nimonic alloys Hastealloy ANSWER DOWNLOAD EXAMIANS APP