Machine Design Crowning on pulley helps To keep the belt in centre on a pulley while it is in motion In increasing the slip of the belt In decreasing the slip of the belt To increase pulley life To keep the belt in centre on a pulley while it is in motion In increasing the slip of the belt In decreasing the slip of the belt To increase pulley life ANSWER DOWNLOAD EXAMIANS APP
Machine Design The application of second type levers is found in Lever of a loaded safety valve Hand wheel of a punching press Handle of a hand pump A pair of tongs Lever of a loaded safety valve Hand wheel of a punching press Handle of a hand pump A pair of tongs ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is wrong for a connecting rod? The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy The most suitable section for the connecting rod is T-section If Ixx > 4 Iyy, the buckling will occur about Y-axis If Ixx < 4 Iyy, the buckling will occur about X-axis The connecting rod will be equally strong in buckling about X-axis and Y-axis, if Ixx = 4 Iyy The most suitable section for the connecting rod is T-section If Ixx > 4 Iyy, the buckling will occur about Y-axis If Ixx < 4 Iyy, the buckling will occur about X-axis ANSWER DOWNLOAD EXAMIANS APP
Machine Design When an open coiled helical compression spring is subjected to an axial compressive load, the maximum shear stress induced in the wire is (where D = Mean diameter of the spring coil, d = Diameter of the spring wire, K = Wahl's stress factor, and W = Axial compressive load on the spring) (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K (4WD/ πd3) × K (WD/ πd3) × K (8WD/ πd3) × K (2WD/ πd3) × K ANSWER DOWNLOAD EXAMIANS APP
Machine Design The notch sensitivity q is expressed in terms of fatigue stress concentration factor Kf and theoretical stress concentration factor Kt as (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) (Kf + 1)/ (Kt + 1) (Kf - 1)/ (Kt - 1) (Kt + 1)/ (Kf + 1) (Kt - 1)/ (Kf - 1) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In worm, gears, pitch lead angle is None of these The angle between the tangent to the pitch helix and an element of the cylinder The angle between the tangent to the pitch helix and the plane of rotation Half the angle between two inclined faces in axial plane None of these The angle between the tangent to the pitch helix and an element of the cylinder 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
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