Machine Design According to Indian standard specifications, a Grey cast iron designated by 'FG 200' means that the Carbon content is 2% Minimum tensile strength is 200 N/mm² Maximum shear strength is 200 N/mm² Maximum compressive strength is 200 N/mm² Carbon content is 2% Minimum tensile strength is 200 N/mm² Maximum shear strength is 200 N/mm² Maximum compressive strength is 200 N/mm² ANSWER DOWNLOAD EXAMIANS APP
Machine Design Machine screws are Similar to stud Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between two parts Slotted for a screw driver and generally used with a nut Similar to stud Similar to small size tap bolts except that a greater variety of shapes of heads are available Used to prevent relative motion between two parts Slotted for a screw driver and generally used with a nut ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrodynamic bearings The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication The oil film is maintained by supplying oil under pressure The oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant Grease is used for lubrication ANSWER DOWNLOAD EXAMIANS APP
Machine Design Basic hole is one Does not exist Whose lower as well as upper deviations are zero Whose lower deviation is zero Whose upper deviation is zero Does not exist Whose lower as well as upper deviations are zero Whose lower deviation is zero Whose upper deviation is zero ANSWER DOWNLOAD EXAMIANS APP
Machine Design Pick up wrong statement. Fatigue strength can be increased by Hot working Shot peening Cold working Grinding and lapping surface Hot working Shot peening Cold working Grinding and lapping surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if 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 Friction angle is more than helix angle Friction angle is less than helix angle ANSWER DOWNLOAD EXAMIANS APP
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