Machine Design In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to Reduce slip Ensure proper alignment Ensure uniform loading Reduce vibration Reduce slip Ensure proper alignment Ensure uniform loading Reduce vibration ANSWER DOWNLOAD EXAMIANS APP
Machine Design The included angle between the sides of V-belt is 60° 45° 38° 40° 60° 45° 38° 40° ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to I.B.R., the efficiency of a triple riveted butt joint with double straps of unequal width (5 rivets per pitch length) should be 80 to 90% 70 to 83% 45 to 60% 63 to 70% 80 to 90% 70 to 83% 45 to 60% 63 to 70% ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrostatic bearings Grease is used for lubrication Do not require external supply of lubricant The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Grease is used for lubrication Do not require external supply of lubricant The Oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design Crushing resistance required to crush the rivet per pitch length is (p - d) t.σc p.d.σc p.t.σc n.d.t.σc (p - d) t.σc p.d.σc p.t.σc n.d.t.σc 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.τu πd.t.τu π/4 × d² × tτu t.τu π/4 × d².τu πd.t.τu π/4 × d² × tτu t.τu ANSWER DOWNLOAD EXAMIANS APP
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