Materials and Construction Thermosetting resins are those polymers, which Allow slip to occur between molecules None of these Do not increase in plasticity with rise in temperature Do not take on a permanent set Allow slip to occur between molecules None of these Do not increase in plasticity with rise in temperature Do not take on a permanent set ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Monel metal is an alloy of Nickel and copper Molybdenum and aluminium Molybdenum and zinc Molybdenum and nickel Nickel and copper Molybdenum and aluminium Molybdenum and zinc Molybdenum and nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness Having poor fatigue resistance Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor toughness Having poor fatigue resistance Used for making axle & shafts of aeroplanes, automobiles and locomotives ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel pipes are normally manufactured by __________ process. Electroforming Forging Extrusion Cold working Electroforming Forging Extrusion Cold working ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The melleability of a material is the property by virtue of which it can be rolled or hammered into thin sheets. Which of the following materials has the miximum malleability? Copper Aluminium Lead Wrought iron Copper Aluminium Lead Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Containers made of high silicon cast iron (14% Si) are not suitable for the storage of Acetic acid Hydrochloric acid (concentrated) Phosphoric acid (95%) & sulphuric acid (95%) Benzoic & boric acids Acetic acid Hydrochloric acid (concentrated) Phosphoric acid (95%) & sulphuric acid (95%) Benzoic & boric acids ANSWER DOWNLOAD EXAMIANS APP