Materials and Construction Austenitic manganese steel used for making jaws of crushing machines contains about __________ percent manganese. 44179 3.5-4.5 1.5-2 44021 44179 3.5-4.5 1.5-2 44021 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Tank furnace used for melting of glass is made of Cast iron Stainless steel Refractory blocks Mild steel Cast iron Stainless steel Refractory blocks Mild steel ANSWER DOWNLOAD EXAMIANS APP
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 The heat treatment process applied to cold formed steel parts is Tempering Solution annealing Artificial ageing Normalising Tempering Solution annealing Artificial ageing Normalising ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Semi steel' is Produced by adding 10-20% steel to the cupola charge Neither A nor B Stronger than cast iron Both A & B Produced by adding 10-20% steel to the cupola charge Neither A nor B Stronger than cast iron Both A & B 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 Do not require heat treatment for any of its applications Do not have good resilience properties Is tempered at 850°C Are used for leaf and coiled springs Do not require heat treatment for any of its applications Do not have good resilience properties Is tempered at 850°C ANSWER DOWNLOAD EXAMIANS APP