Materials and Construction Which of the following alloying elements is present in maximum percentage in high speed steel. Molybdenum Chromium Tungsten Vanadium Molybdenum Chromium Tungsten Vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The purpose of nitriding the steel is to Harden its surface Soften its surface Improve its reliability None of these Harden its surface Soften its surface Improve its reliability None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the most suitable material of construction for evaporator & its tubes for concentrating NaOH solution to 70%? Steel Nickel Cast iron Karbate Steel Nickel Cast iron Karbate ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. 500 5 100 250 500 5 100 250 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which metal is protected by the layer of its own oxide? Aluminium Calcium Iron Silver Aluminium Calcium Iron Silver ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Sulphur melting pit in the sulphuric acid plant is made of Hard wood Cast iron Steel or cement-brick lined Lead lined stainless steel Hard wood Cast iron Steel or cement-brick lined Lead lined stainless steel ANSWER DOWNLOAD EXAMIANS APP