Materials and Construction Which of the following contains maximum percentage of carbon? Boiler plate steel Railway spring steel Rail steel Saws for cutting steel Boiler plate steel Railway spring steel Rail steel Saws for cutting steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The purpose of nitriding the steel is to Soften its surface Improve its reliability Harden its surface None of these Soften its surface Improve its reliability Harden its surface None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Semi-conductor None of these Metal/alloy Dielectric Semi-conductor None of these Metal/alloy Dielectric ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The main constituent of carborundum is __________ carbide. Calcium Aluminium Boron Silicon Calcium Aluminium Boron Silicon ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Rotary driers are generally made of Tin lined with refractory bricks High silicon iron (14% Si) Cast iron Mild steel Tin lined with refractory bricks High silicon iron (14% Si) Cast iron Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wrought iron is having very high Corrosion resistance Hardness Strength Susceptibility to changes in its properties by heat treatment Corrosion resistance Hardness Strength Susceptibility to changes in its properties by heat treatment ANSWER DOWNLOAD EXAMIANS APP