Machine Design In oilness bearings 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 required to be applied after some intervals 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 required to be applied after some intervals ANSWER DOWNLOAD EXAMIANS APP
Machine Design A coupling used to connect two perfectly aligned shafts, is Flange coupling Muff coupling Compression coupling All of these Flange coupling Muff coupling Compression coupling All of these ANSWER DOWNLOAD EXAMIANS APP
Machine Design In designing a key, it is assumed that the distribution of forces along the length of key Varies linearly Varies exponentially, being more at the torque-input end Varies exponentially, being less at the torque-input end Is uniform throughout Varies linearly Varies exponentially, being more at the torque-input end Varies exponentially, being less at the torque-input end Is uniform throughout ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Has no influence on fatigue strength Alone has no influence on fatigue strength Decreases the fatigue strength Increases the fatigue strength Has no influence on fatigue strength Alone has no influence on fatigue strength Decreases the fatigue strength Increases the fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design According to maximum normal stress theory, the maximum normal stress in the shaft is σ + √(σ² × 4τ²) (1/2) × √(σ² × 4τ²) √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] σ + √(σ² × 4τ²) (1/2) × √(σ² × 4τ²) √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] ANSWER DOWNLOAD EXAMIANS APP
Machine Design The lead angle of a worm is 22.5°. Its helix angle will be 90° 45° 67.5° 22.5° 90° 45° 67.5° 22.5° ANSWER DOWNLOAD EXAMIANS APP
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