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 to weight ratio High strength and corrosion & oxidation-resistance at elevated temperature Its ability to be cast, rolled, forged & stamped Low temperature strength properties High strength to weight ratio High strength and corrosion & oxidation-resistance at elevated temperature ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Fatigue failure of a material results from __________ stress. Tensile None of these Fluctuating Compressive Tensile None of these Fluctuating Compressive ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Steel pipes are normally manufactured by __________ process. Cold working Forging Extrusion Electroforming Cold working Forging Extrusion Electroforming ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction A steel alloy containing 36% nickel is called __________ , which has a zero co- efficient of expansion. Invar High speed steel Heat resisting steel Austenitic stainless steel Invar High speed steel Heat resisting steel Austenitic stainless steel ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction Lead alone is not used in storing equipment, because it Is very costly Corrodes easily Is having low creep strength None of these Is very costly Corrodes easily Is having low creep strength None of these ANSWER DOWNLOAD EXAMIANS APP
Materials and Construction The electrical conductivity of a __________ decreases with rise in temperature. Semi-conductor Metal/alloy None of these Dielectric Semi-conductor Metal/alloy None of these Dielectric ANSWER DOWNLOAD EXAMIANS APP