Materials and Construction Specify the material of construction suitable for handling concentrated HNO₃ at 100°C. Tin and wood 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 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Compressive strength of wood is usually more along the grains. The tenile strength of wood as compared to that of steel is about One third One twelfth One fifth Half One third One twelfth One fifth Half ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following is produced by addition polymerisation? Urea-formaldehyde Phenol formaldehyde Dacron Polybutadiene Urea-formaldehyde Phenol formaldehyde Dacron Polybutadiene ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Mild steel is Highly resistant to corrosion (as much as stainless steel) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) A high carbon steel (0.5 to 1.5% carbon) Highly resistant to corrosion (as much as stainless steel) Very poor in strength & ductility A low carbon steel (0.05 to 0.3% carbon) A high carbon steel (0.5 to 1.5% carbon) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Recrystallisation Eutectic Lower critical Upper critical Recrystallisation Eutectic Lower critical Upper critical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The heat treatment process applied to cold formed steel parts is Solution annealing Tempering Artificial ageing Normalising Solution annealing Tempering Artificial ageing Normalising ANSWER DOWNLOAD EXAMIANS APP
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