Machine Design When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt) 0.5 d 1.25 d d 0.75 d 0.5 d 1.25 d d 0.75 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole) Equal to inside diameter of pipe Less than 20d Between 20d and 30d Greater than 30d Equal to inside diameter of pipe Less than 20d Between 20d and 30d Greater than 30d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stress in the bar when the load is applied suddenly is __________ as compared to the stress induced due to gradually applied loads. Four times Double Same Three times Four times Double Same Three times ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process extensively used for making bolts and nuts is Cold heading Cold peening Hot piercing Extrusion Cold heading Cold peening Hot piercing Extrusion ANSWER DOWNLOAD EXAMIANS APP
Machine Design The velocity of sliding __________ the distance of the point of contact from the pitch point. Is equal to cos φ multiplied by Does not depend upon Is directly proportional to Is inversely proportional to Is equal to cos φ multiplied by Does not depend upon Is directly proportional to Is inversely proportional to ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
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