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 π/4 × d² × tτu t.τu πd.t.τu π/4 × d².τu π/4 × d² × tτu t.τu πd.t.τu ANSWER DOWNLOAD EXAMIANS APP
Machine Design If threads on a bolt are left hand, threads on nut will be Could be left or right hand Right hand with same pitch Right hand with fine pitch Left hand with same pitch Could be left or right hand Right hand with same pitch Right hand with fine pitch Left hand with same pitch ANSWER DOWNLOAD EXAMIANS APP
Machine Design Surface endurance limit of gear material is dependent upon its Yield strength Brinell hardness number Elastic strength Toughness Yield strength Brinell hardness number Elastic strength Toughness ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a flange coupling, the flanges are coupled together by means of None of these Studs Headless taper bolts Bolts and nuts None of these Studs Headless taper bolts Bolts and nuts ANSWER DOWNLOAD EXAMIANS APP
Machine Design Idler pulley is used for All of these Changing the direction of motion of belt For applying tension Increasing velocity ratio All of these Changing the direction of motion of belt For applying tension Increasing velocity ratio ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio for gears is Zero Less than one None of these Greater than one Zero Less than one None of these Greater than one ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS