Materials and Construction Chrome vanadium steels usually contain 0.8 to 1.1% Cr, 0.25 to 0.35% C and < 0.25% V. Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Having poor toughness Used for making axle & shafts of aeroplanes, automobiles and locomotives Not helpful in producing cleaner steel due to oxidising action of vanadium Having poor fatigue resistance Having poor toughness ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The process of coating steel sheets by zinc to improve its corrosion resistance is called Calorising Galvanising Tempering Zincification Calorising Galvanising Tempering Zincification ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Containers made of high silicon cast iron (14% Si) are not suitable for the storage of Hydrochloric acid (concentrated) Benzoic & boric acids Acetic acid Phosphoric acid (95%) & sulphuric acid (95%) Hydrochloric acid (concentrated) Benzoic & boric acids Acetic acid Phosphoric acid (95%) & sulphuric acid (95%) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Electronic structure of a material is generally studied by Spectroscopic techniques Metallurgical microscope X-ray Electron diffraction Spectroscopic techniques Metallurgical microscope X-ray Electron diffraction ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Purity of electrical grade aluminium should be ≥ __________ percent. 90 95 99.5 85 90 95 99.5 85 ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction High speed cutting tool steels contain about __________ percent of tungsten. 18-20 30-35 50-55 43990 18-20 30-35 50-55 43990 ANSWER DOWNLOAD EXAMIANS APP
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