Machine Design A screw will be self locking, if Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle Friction angle is more than helix angle Friction angle is less than helix angle Efficiency of screw is 100% Friction angle is equal to helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pipe joint mostly used for pipes carrying water at low pressures is Nipple joint Socket joint Spigot and socket joint Union joint Nipple joint Socket joint Spigot and socket joint Union joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design The contact ratio for gears is Less than one Zero Greater than one None of these Less than one Zero Greater than one None of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design The function of cutting oil when threading a pipe is to All of these Help removes chips Lubricate the dies Provide cooling action All of these Help removes chips Lubricate the dies Provide cooling action ANSWER DOWNLOAD EXAMIANS APP
Machine Design In oilness bearings The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal Grease required to be applied after some intervals The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant The oil film pressure is generated only by the rotation of the journal Grease required to be applied after some intervals ANSWER DOWNLOAD EXAMIANS APP
Machine Design The resistance to fatigue of a material is measured by Young's modulus Ultimate tensile strength Elastic limit Endurance limit Young's modulus Ultimate tensile strength Elastic limit Endurance limit ANSWER DOWNLOAD EXAMIANS APP