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 If two springs are in parallel then their overall stiffness will be None of these Half Double Same None of these Half Double Same ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Used to prevent relative motion between two parts Slotted for a screw driver and generally used with a nut Similar to small size tap bolts except that a greater variety of shapes of heads are available Similar to stud Used to prevent relative motion between two parts ANSWER DOWNLOAD EXAMIANS APP
Machine Design The product of the diametral pitch and circular pitch is equal to 1/π π × number of teeth 1 π 1/π π × number of teeth 1 π ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for Increasing velocity ratio All of these For applying tension Changing the direction of motion of belt Increasing velocity ratio All of these For applying tension Changing the direction of motion of belt ANSWER DOWNLOAD EXAMIANS APP
Machine Design In leaf springs, the longest leaf is known as Lower leaf None of these Master leaf Upper leaf Lower leaf None of these Master leaf Upper leaf ANSWER DOWNLOAD EXAMIANS APP
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