Machine Design An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by All of these Decreasing the cross-sectional area of the bar Decreasing the modulus of elasticity of the bar Increasing the length of bar All of these Decreasing the cross-sectional area of the bar Decreasing the modulus of elasticity of the bar Increasing the length of bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket) p = D sin (120°/T) p = D sin (180°/T) p = D sin (360°/T) p = D sin (90°/T) p = D sin (120°/T) p = D sin (180°/T) p = D sin (360°/T) p = D sin (90°/T) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to avoid tearing of the plate at an edge, the distance from the centre line of the rivet hole to the nearest edge of the plate should be equal to (where d = Diameter of rivet hole) 1 d 1.5 d 2.5 d 2 d 1 d 1.5 d 2.5 d 2 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A pressure vessel is said to be a thick shell, if the ratio of wall thickness to its diameter is Equal to 1/10 None of these Less than 1/10 Greater than 1/10 Equal to 1/10 None of these Less than 1/10 Greater than 1/10 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear plane in case of bolts should Be parallel to axis of bolt Be normal to threaded portion of shank Never be across the threaded portion Be across threaded portion of shank Be parallel to axis of bolt Be normal to threaded portion of shank Never be across the threaded portion Be across threaded portion of shank ANSWER DOWNLOAD EXAMIANS APP
Machine Design In the levers of __________ type, the mechanical advantage is less than one. Second Third None of these First Second Third None of these First ANSWER DOWNLOAD EXAMIANS APP
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