Materials and Construction Aluminium alloy is one of the most suitable materials of construction for aircrafts mainly due to its High strength and corrosion & oxidation-resistance at elevated temperature Its ability to be cast, rolled, forged & stamped High strength to weight ratio Low temperature strength properties High strength and corrosion & oxidation-resistance at elevated temperature Its ability to be cast, rolled, forged & stamped High strength to weight ratio Low temperature strength properties ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which one is remelted and poured into moulds to get cast iron? Pig iron Low carbon steel Mild steel Wrought iron Pig iron Low carbon steel Mild steel Wrought iron ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Which of the following has the poorest wel-dability? High-carbon steel Wrought iron Low carbon steel Mild steel High-carbon steel Wrought iron Low carbon steel Mild steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Maximum carbon content in any variety of steel can be upto 1.3%. Steel containing 0.4% Carbon is not used for making Chiesels Studs Nuts Bolts Chiesels Studs Nuts Bolts ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The temperature at which new grains are formed in the metal is called the __________ temperature. Recrystallisation Lower critical Eutectic Upper critical Recrystallisation Lower critical Eutectic Upper critical ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Cast iron is Having compressive strength more than its tensile strength All of these Manufactured in cupola and is brittle Used for making shock resisting parts Having compressive strength more than its tensile strength All of these Manufactured in cupola and is brittle Used for making shock resisting parts ANSWER DOWNLOAD EXAMIANS APP