Materials and Construction Addition of lead, sulphur and phosphorus to low carbon steel helps in improving its Compressive strength Corrosion resistance Tensile strength Machinability Compressive strength Corrosion resistance Tensile strength Machinability ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Common house hold glass (i.e., soda-lime glass) is a/an __________ material. Partly crystalline Amorphous None of these Fully crystalline Partly crystalline Amorphous None of these Fully crystalline ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A metallic alloy in general as compared to their pure metal components is Having higher melting point Having lower electrical conductivity Having lower hardness, reactivity and fusibility More corrosion resistant Having higher melting point Having lower electrical conductivity Having lower hardness, reactivity and fusibility More corrosion resistant 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. Having poor toughness Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Used for making axle & shafts of aeroplanes, automobiles and locomotives ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Corrosion resisting properties of cast iron are significantly improved by the addition of 12 - 15% of Tungsten Silicon Vanadium All of these Tungsten Silicon Vanadium All of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction 'Age hardening' of duralumin is due to Neither A nor B Magnesium Copper Both A & B Neither A nor B Magnesium Copper Both A & B ANSWER DOWNLOAD EXAMIANS APP