Materials and Construction The main purpose of galvanising iron sheets is to Harden the surface Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre Harden the surface Prevent the action of water Prevent the action of oxygen Increase its glossiness and lustre ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is the hardest material? Quartz Topaz Flourite Corrundum Quartz Topaz Flourite Corrundum ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Dilute sulphuric acid is transported in __________ pipes. Mild steel Special alloys Copper Lead Mild steel Special alloys Copper Lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction In drop forging process, the forging is done by dropping the __________ at high velocity. Workpiece Hammer Die with hammer Weight on hammer Workpiece Hammer Die with hammer Weight on hammer ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The material of construction of pressure mills used for squeezing out the juice from sugar cane is Monel Mild steel Cast iron Stainless steel Monel Mild steel Cast iron Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Silico-manganese steels (containing 0.7% Mn, 0.5% C and 2% Si) Are used for leaf and coiled springs Is tempered at 850°C Do not require heat treatment for any of its applications Do not have good resilience properties Are used for leaf and coiled springs Is tempered at 850°C Do not require heat treatment for any of its applications Do not have good resilience properties ANSWER DOWNLOAD EXAMIANS APP