Machine Design If two springs are in parallel then their overall stiffness will be None of these Double Half Same None of these Double Half Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at high speed in a bearing, it will Move towards right of the bearing making metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making no metal to metal contact Move towards left of the bearing making metal to metal contact Move towards right of the bearing making metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making no metal to metal contact Move towards left of the bearing making metal to metal contact ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to obtain bolt of uniform strength Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase its length Increase shank diameter Drill an axial hole through head up to threaded portion so that shank area is equal to root area of thread Tighten die bolt properly Increase its length ANSWER DOWNLOAD EXAMIANS APP
Machine Design Gear box is used To obtain variable speeds To produce torque For speed reduction To increase efficiency of system To obtain variable speeds To produce torque For speed reduction To increase efficiency of system ANSWER DOWNLOAD EXAMIANS APP
Machine Design If a bearing is designated by the number 305, it means that the bearing is of Medium series whose bore is 5 mm Light series whose bore is 5 mm Medium series whose bore is 25 mm Light series whose bore is 25 mm Medium series whose bore is 5 mm Light series whose bore is 5 mm Medium series whose bore is 25 mm Light series whose bore is 25 mm 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 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] σ [1 + (3a/b)] σ [1 + (b/3a)] σ [1 + (2a/b)] σ [1 + (b/2a)] ANSWER DOWNLOAD EXAMIANS APP