Machine Design Cold working Decreases the fatigue strength Increases the fatigue strength Alone has no influence on fatigue strength Has no influence on fatigue strength Decreases the fatigue strength Increases the fatigue strength Alone has no influence on fatigue strength Has no influence on fatigue strength ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a steam engine, the piston rod is usually connected to the cross-head by means of a Oldham coupling Cotter joint Knuckle joint Universal joint Oldham coupling Cotter joint Knuckle joint Universal joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design A shaft is subjected to a maximum bending stress of 80 N/mm² and maximum shearing stress equal to 30 N/mm² at a particular section. If the yield point in tension of the material is 280 N/mm² and the maximum shear stress theory of failure is used, then the factor of safety obtained will be 2.5 2.8 3.0 3.5 2.5 2.8 3.0 3.5 ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the screw in a mechanical screw jack rotates, the load kept on the top of it moves Axially upwards None of these Axially downwards Axially upwards or downwards Axially upwards None of these Axially downwards Axially upwards or downwards ANSWER DOWNLOAD EXAMIANS APP
Machine Design Silver based solder is used for Brazing Fusion welding Soft soldering Flaring Brazing Fusion welding Soft soldering Flaring 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) × [σ + √(σ² × 4τ²)] √(σ² × 4τ²) (1/2) × √(σ² × 4τ²) σ + √(σ² × 4τ²) (1/2) × [σ + √(σ² × 4τ²)] √(σ² × 4τ²) (1/2) × √(σ² × 4τ²) ANSWER DOWNLOAD EXAMIANS APP
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