Machine Design The shear stress in a beam varies from zero at the outer fibers to a maximum at the________. Upper surface Lower surface None of these Neutral surface Upper surface Lower surface None of these Neutral surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Abrupt change of section All of these Variation in properties of material from point to point in a member Pitting at points or areas at which loads on a member are applied Abrupt change of section All of these Variation in properties of material from point to point in a member Pitting at points or areas at which loads on a member are applied 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) πd.t.τu t.τu π/4 × d².τu π/4 × d² × tτu πd.t.τu t.τu π/4 × d².τu π/4 × d² × tτu ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Similar to stud Used to prevent relative motion between two parts Similar to small size tap bolts except that a greater variety of shapes of heads are available Slotted for a screw driver and generally used with a nut Similar to stud Used to prevent relative motion between two parts ANSWER DOWNLOAD EXAMIANS APP
Machine Design Rankine Gordon formula for buckling is valid for Short and long column Very long column Short column Long column Short and long column Very long column Short column Long column ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 10 to 20% 30 to 40% 40 to 50% 20 to 30% 10 to 20% 30 to 40% 40 to 50% 20 to 30% ANSWER DOWNLOAD EXAMIANS APP
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