Materials and Construction Presence of even 0.005% of __________ in copper makes it highly brittle, rendering it useless for wire-drawing. Arsenic Bismuth Oxygen Antimony Arsenic Bismuth Oxygen Antimony ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction White metal is an alloy of None of these Copper, tin and zinc Lead, tin and cadmium Copper and lead None of these Copper, tin and zinc Lead, tin and cadmium Copper and lead ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A chemical change takes place when iron None of these Rusts Is heated Melts None of these Rusts Is heated Melts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. High silicon iron, Kel-F and teflon Stainless steel Silicone rubber Tin and wood High silicon iron, Kel-F and teflon Stainless steel Silicone rubber Tin and wood ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wrought iron is a suitable material of construction for handling __________ solutions. Alkalis & alkaline Concentrated acidic Dilute acidic None of these Alkalis & alkaline Concentrated acidic Dilute acidic None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Approximate value of the modulus of elasticity for steel is about __________ x l0⁶kg/cm². 75 40 0.5 2 75 40 0.5 2 ANSWER DOWNLOAD EXAMIANS APP
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