Machine Design For tight leakage joints, following type of thread is best suited NPT (national pipe threads). Square Metric Buttress NPT (national pipe threads). Square Metric Buttress ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process extensively used for making bolts and nuts is Cold peening Hot piercing Extrusion Cold heading Cold peening Hot piercing Extrusion Cold heading ANSWER DOWNLOAD EXAMIANS APP
Machine Design The bearings of heavy series have capacity __________ over the medium series. 20 to 30% 40 to 50% 10 to 20% 30 to 40% 20 to 30% 40 to 50% 10 to 20% 30 to 40% ANSWER DOWNLOAD EXAMIANS APP
Machine Design A bolt is designed on the basis of __________ with a large factor of safety. Direct compressive stress Direct bending stress Direct tensile stress Direct shear stress Direct compressive stress Direct bending stress Direct tensile stress Direct shear stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings 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 Grease is used for lubrication Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
Machine Design Belt slip may occur due to Loose belt Heavy load Driving pulley too small All of these Loose belt Heavy load Driving pulley too small All of these ANSWER DOWNLOAD EXAMIANS APP