Materials and Construction Carbon is present in the uncombined (graphitic) form in case of Cast iron None of these Ferroalloy Steel Cast iron None of these Ferroalloy Steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Kel-F is a material, which is All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties All of these Chemically known as polychlorotrifluor-oethylene (PTFE) Having excellent chemical & high temperature resistance (upto 200°C) Having elastomeric properties ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardness depth of about 3 mm can be achieved by induction hardness in __________ seconds. 500 250 100 5 500 250 100 5 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction With increase in carbide/graphite ratio in cast iron, its Neither A nor B Ductility decreases Both A & B Hardness & brittleness increases Neither A nor B Ductility decreases Both A & B Hardness & brittleness increases ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softness of silver can be converted into hardness by alloying it with small quantity of Copper & nickel Aluminium Tin Zinc Copper & nickel Aluminium Tin Zinc ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Constantan used in thermocouples is an alloy of None of these Iron & copper Copper & aluminium Lead & tin None of these Iron & copper Copper & aluminium Lead & tin ANSWER DOWNLOAD EXAMIANS APP
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