Machine Design Three different weights fall from a certain height under vacuum. They will take Times inversely proportional to weight to reach earth Times proportional to weight to reach earth Same time to reach earth None of these Times inversely proportional to weight to reach earth Times proportional to weight to reach earth Same time to reach earth None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is Larger/smaller depending on diameter of spring coil Larger Smaller Equal Larger/smaller depending on diameter of spring coil Larger Smaller Equal ANSWER DOWNLOAD EXAMIANS APP
Machine Design A plate with an elliptical hole in the centre, with semi-major axis (a) perpendicular to the direction of loading and semi-minor axis (b) along the direction of loading, is subjected to a pull P. The maximum stress induced at the edge of the hole is equal to (where σ = Stress for a plate with no hole i.e. nominal stress) σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 0.75 d 0.5 d d 1.25 d 0.75 d 0.5 d d 1.25 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle between the sides of V-belt is 60° 38° 40° 45° 60° 38° 40° 45° ANSWER DOWNLOAD EXAMIANS APP
Machine Design The difference between the upper limit and lower limit of a dimension is called Nominal size Actual size Basic size Tolerance Nominal size Actual size Basic size Tolerance ANSWER DOWNLOAD EXAMIANS APP