Machine Design The allowable static stress for steel gears is approximately __________ of the ultimate tensile stress. One-third One-half Double One-fourth One-third One-half Double One-fourth ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings 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 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 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The effective stress in wire ropes during normal working is equal to the stress due to Axial load plus stress due to bending Acceleration/retardation of masses plus stress due to bending Bending plus stress due to acceleration/retardation Axial load plus stress due to acceleration/retardation Axial load plus stress due to bending Acceleration/retardation of masses plus stress due to bending Bending plus stress due to acceleration/retardation Axial load plus stress due to acceleration/retardation ANSWER DOWNLOAD EXAMIANS APP
Machine Design The permissible stress in the fillet weld is 100 N/mm². The fillet weld has equal leg lengths of 15 mm each. The allowable shearing load on the weldment per cm length of the weld is 7.5 kN 15 kN 10.6 kN 22.5 kN 7.5 kN 15 kN 10.6 kN 22.5 kN ANSWER DOWNLOAD EXAMIANS APP
Machine Design A steel containing 0.8% carbon is known as None of these Hypo-eutectoid steel Eutectoid steel Hypereutectoid steel None of these Hypo-eutectoid steel Eutectoid steel Hypereutectoid steel ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle. Smaller than Equal to Larger than None of these Smaller than Equal to Larger than None of these ANSWER DOWNLOAD EXAMIANS APP
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