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 Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium Used for making axle & shafts of aeroplanes, automobiles and locomotives Having poor toughness Having poor fatigue resistance Not helpful in producing cleaner steel due to oxidising action of vanadium ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its Its ability to be cast, rolled, forged & stamped Low temperature strength properties High strength and corrosion & oxidation-resistance at elevated temperature High strength to weight ratio Its ability to be cast, rolled, forged & stamped Low temperature strength properties High strength and corrosion & oxidation-resistance at elevated temperature High strength to weight ratio ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A hardened steel essentially contains Troostite Martensite None of these Sorbite Troostite Martensite None of these Sorbite ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead pipe is Especially resistant to solutions containing H₂SO₄ All of these Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Usually joined by burning (e.g. by melting to adjacent pieces with a torch) Especially resistant to solutions containing H₂SO₄ All of these Having very low elastic limit resulting in permanent deformation from either mechanical or thermal strain Usually joined by burning (e.g. by melting to adjacent pieces with a torch) ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Addition of __________ to the steel helps in increasing the residual magnetism in steel used for making magnets. Chromium Tungsten Cobalt Nickel Chromium Tungsten Cobalt Nickel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Most suitable material for high pressure vessel operating at 500 atm. and 500° C is 18/8 stainless steel Molybdenum stainless steel High silicon iron (14% Si) Mild steel 18/8 stainless steel Molybdenum stainless steel High silicon iron (14% Si) Mild steel ANSWER DOWNLOAD EXAMIANS APP
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