Machine Design When screw threads are to be used in a situation where power is being transmitted in one direction only, then the screw threads suitable for this will be Buttress threads Square threads Acme threads Knuckle threads Buttress threads Square threads Acme threads Knuckle threads ANSWER DOWNLOAD EXAMIANS APP
Machine Design A sliding bearing which can support steady loads without any relative motion between the journal and the bearing, is called Zero film bearing Boundary lubricated bearing Hydrodynamic lubricated bearing Hydrostatic lubricated bearing Zero film bearing Boundary lubricated bearing Hydrodynamic lubricated bearing Hydrostatic lubricated bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic hole is one Whose upper deviation is zero Whose lower as well as upper deviations are zero Does not exist Whose lower deviation is zero Whose upper deviation is zero Whose lower as well as upper deviations are zero Does not exist Whose lower deviation is zero ANSWER DOWNLOAD EXAMIANS APP
Machine Design A feather key is generally Loose in shaft and tight in hub Loose in both shaft and hub Tight in shaft and loose in hub Tight in both shaft and hub Loose in shaft and tight in hub Loose in both shaft and hub Tight in shaft and loose in hub Tight in both shaft and hub ANSWER DOWNLOAD EXAMIANS APP
Machine Design Tearing resistance required to tear off the plate per pitch length is (where p = Pitch of rivets, d = Dia. of rivet hole, and σt = Permissible tensile stress for plate material) p.t.σt p.d.σt (p - d) t.σt p.t.σt p.d.σt (p - d) t.σt ANSWER DOWNLOAD EXAMIANS APP
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) 1.25 d 0.5 d 0.75 d d 1.25 d 0.5 d 0.75 d d ANSWER DOWNLOAD EXAMIANS APP