Machine Design The material generally used for aircraft components is Aluminium Mild steel High speed steel Stainless steel Aluminium Mild steel High speed steel Stainless steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is The angle between the tangent to the pitch helix and an element of the cylinder None of these The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane The angle between the tangent to the pitch helix and an element of the cylinder None of these The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Remain same Decreases markedly Increases markedly Depends on heat treatment carried out Remain same Decreases markedly Increases markedly Depends on heat treatment carried out ANSWER DOWNLOAD EXAMIANS APP
Machine Design The diameter of knuckle pin in a knuckle joint is usually taken as (where d = Diameter of the rod) 1.2 d 0.5 d d 0.8 d 1.2 d 0.5 d d 0.8 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bending stress in a curved beam is None of these Zero at the centroidal axis Maximum at the neutral axis Zero at the point other than centroidal axis None of these Zero at the centroidal axis Maximum at the neutral axis Zero at the point other than centroidal axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a material is subjected to fatigue loading, the ratio of the endurance limit to the ultimate tensile strength is 0.65 0.35 0.5 0.2 0.65 0.35 0.5 0.2 ANSWER DOWNLOAD EXAMIANS APP