Materials and Construction Polythene (low or high density) containers are not corroded by Sulphur trioxide at 60°C Any of these Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature Sulphur trioxide at 60°C Any of these Sulphuric acid (10%) at room temperature Nitric acid (95%) at room temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Interchain forces are the weakest in case of Both rubber & elastomers Fibres Elastomers Plastics Both rubber & elastomers Fibres Elastomers Plastics ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The heat treatment process applied to cold formed steel parts is Normalising Solution annealing Tempering Artificial ageing Normalising Solution annealing Tempering Artificial ageing ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction When iron is rusted, it is Oxidised Reduced Converted to a fine powder None of these Oxidised Reduced Converted to a fine powder None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron and steel pipes are produced by __________ casting. Die Investment Slush True centrifugal Die Investment Slush True centrifugal ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. Tungsten Chromium Cobalt Nickel Tungsten Chromium Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP