Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially downwards Axially upwards None of these Axially upwards or downwards Axially downwards Axially upwards None of these Axially upwards or downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design Brittle coating technique is used for Protecting metal against wear and tear Experimental stress analysis Protecting metal against corrosion Determining brittleness Protecting metal against wear and tear Experimental stress analysis Protecting metal against corrosion Determining brittleness ANSWER DOWNLOAD EXAMIANS APP
Machine Design When two helical springs of equal lengths are arranged to form a cluster spring, then Both A and B is correct Shear stress in each spring will be equal Only A is correct Load taken by each spring will be half the total load Both A and B is correct Shear stress in each spring will be equal Only A is correct Load taken by each spring will be half the total load 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 Eye bolts are used for Transmission of power Lifting and transportation of machines and cubicles Foundation purposes Absorbing shock and vibrations Transmission of power Lifting and transportation of machines and cubicles Foundation purposes Absorbing shock and vibrations ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process which improves the machinability of steels, but lowers the hardness and tensile strength is Normalising Spheroidising Full annealing Process annealing Normalising Spheroidising Full annealing Process annealing ANSWER DOWNLOAD EXAMIANS APP