Materials and Construction Presence of high amount of silicon in cast iron Increases the contraction of the metal Increases the formation of graphite Reduces its fluidity Suppresses the decomposition of Fe₃ C Increases the contraction of the metal Increases the formation of graphite Reduces its fluidity Suppresses the decomposition of Fe₃ C ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wrought iron is An alloy of iron, chromium & carbon High carbon iron Highly resistance to acid corrosion Malleable & ductile; and hence is used for chain links, hooks & couplings An alloy of iron, chromium & carbon High carbon iron Highly resistance to acid corrosion Malleable & ductile; and hence is used for chain links, hooks & couplings ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ is added in low carbon steel to raise its yield point. Silicon Manganese Phosphorous Sulphur Silicon Manganese Phosphorous Sulphur ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Wood metal is not used for making Casting for dental work Fusible safety plug for pressure cooker Soft solder Storage tank for storing brine and caustic soda Casting for dental work Fusible safety plug for pressure cooker Soft solder Storage tank for storing brine and caustic soda ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction __________ moulding process can not be used for thermoplastic plastics. None of these Extrusion Injection Compression None of these Extrusion Injection Compression ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Softness of silver can be converted into hardness by alloying it with small quantity of Zinc Copper & nickel Tin Aluminium Zinc Copper & nickel Tin Aluminium ANSWER DOWNLOAD EXAMIANS APP
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