Machine Design In hydrodynamic bearings Do not require external supply of lubricant Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure Do not require external supply of lubricant Grease is used for lubrication The oil film pressure is generated only by the rotation of the journal The oil film is maintained by supplying oil under pressure ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to maximum normal stress theory, the maximum normal stress in the shaft is σ + √(σ² × 4τ²) √(σ² × 4τ²) (1/2) × √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] σ + √(σ² × 4τ²) √(σ² × 4τ²) (1/2) × √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design When a bolt is subjected to shock loading, the resilience of the bolt should be considered in order to prevent breakage at the Thread Shank Middle Head Thread Shank Middle Head ANSWER DOWNLOAD EXAMIANS APP
Machine Design A flanged pipe joint will be a leak-proof joint, if the circumferential pitch of the bolts is (where d = Diameter of bolt hole) Greater than 30d Less than 20d Equal to inside diameter of pipe Between 20d and 30d Greater than 30d Less than 20d Equal to inside diameter of pipe Between 20d and 30d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The process extensively used for making bolts and nuts is Cold heading Hot piercing Extrusion Cold peening Cold heading Hot piercing Extrusion Cold peening ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole to the nearest edge of the plate in terms of dia. of rivet d should be equal to 1.25 d 1.5 d 1 d 1.75 d 1.25 d 1.5 d 1 d 1.75 d ANSWER DOWNLOAD EXAMIANS APP
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