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.τu πd.t.τu t.τu π/4 × d² × tτu π/4 × d².τu πd.t.τu t.τu π/4 × d² × tτu ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a transverse fillet welded joint, the size of weld is __________ the throat of weld. Equal to 2 times Double 0.5 times Equal to 2 times Double 0.5 times ANSWER DOWNLOAD EXAMIANS APP
Machine Design An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load ‘W’. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'. One-half Double One-fourth One-eighth One-half Double One-fourth One-eighth ANSWER DOWNLOAD EXAMIANS APP
Machine Design A tapered key which fits in a key way in the hub and is flat on the shaft, is known as Flat saddle key Gib-head key Feather key Wood ruff key Flat saddle key Gib-head key Feather key Wood ruff key ANSWER DOWNLOAD EXAMIANS APP
Machine Design Guest's theory of failure is applicable for following type of materials Brittle Plastic Elastic Ductile Brittle Plastic Elastic Ductile ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Reduce the value of frictional torque Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack Reduce the value of frictional torque Prevent the rotation of load being lifted Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack ANSWER DOWNLOAD EXAMIANS APP
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