Machine Design The ball bearings are provided with a cage To prevent the lubricant from flowing out To reduce friction To facilitate slipping of balls To maintain the balls at a fixed distance apart To prevent the lubricant from flowing out To reduce friction To facilitate slipping of balls To maintain the balls at a fixed distance apart ANSWER DOWNLOAD EXAMIANS APP
Machine Design A closely coiled helical spring is acted upon by an axial force. The maximum shear stress developed in the spring is τ. The half of the length of the spring if cut off and the remaining spring is acted upon by the same axial force. The maximum shear stress in the spring in new condition will be τ/2 4 τ 2 τ τ τ/2 4 τ 2 τ τ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum normal stress theory is used for Plastic materials Non-ferrous materials Brittle materials Ductile materials Plastic materials Non-ferrous materials Brittle materials Ductile materials ANSWER DOWNLOAD EXAMIANS APP
Machine Design The objective of caulking in a riveted joint is to make the joint Leak-proof Stronger in tension Free from corrosion Free from stress Leak-proof Stronger in tension Free from corrosion Free from stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a hole of diameter ‘d’ is punched in a metal of thickness 't', then the force required to punch a hole is equal to (where τu = Ultimate shear strength of the material of the plate) π/4 × d² × tτu πd.t.τu π/4 × d².τu t.τu π/4 × d² × tτu πd.t.τu π/4 × d².τu t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following statement is correct for gears? All of these The pitch circle diameter is equal to the product of module and number of teeth The pitch circle is always greater than the base circle The addendum is less than dedendum All of these The pitch circle diameter is equal to the product of module and number of teeth The pitch circle is always greater than the base circle The addendum is less than dedendum ANSWER DOWNLOAD EXAMIANS APP
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