Machine Design According to maximum normal stress theory, the maximum normal stress in the shaft is (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)] σ + √(σ² × 4τ²) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In nitrated parts, the origins of the fatigue cracks will occur at Within the core None of these Just below the surface Surface Within the core None of these Just below the surface Surface ANSWER DOWNLOAD EXAMIANS APP
Machine Design The building up of worn and undersized parts, subjected to repeated loads by electroplating is Best method Has no effect as regards fatigue strength Cheapest method Extremely hazardous Best method Has no effect as regards fatigue strength Cheapest method Extremely hazardous ANSWER DOWNLOAD EXAMIANS APP
Machine Design The pipe joint mostly used for pipes carrying water at low pressures is Socket joint Union joint Spigot and socket joint Nipple joint Socket joint Union joint Spigot and socket joint Nipple joint ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the speed of belt increases, The coefficient of friction between the belt and pulley decreases The coefficient of friction between the belt and pulley increases The power transmitted will increase The power transmitted will decrease The coefficient of friction between the belt and pulley decreases The coefficient of friction between the belt and pulley increases The power transmitted will increase The power transmitted will decrease ANSWER DOWNLOAD EXAMIANS APP
Machine Design The load cup of a screw jack is made separate from the head of the spindle to Enhance the load carrying capacity of the jack Prevent the rotation of load being lifted Reduce the value of frictional torque Reduce the effort needed for lifting the working load Enhance the load carrying capacity of the jack Prevent the rotation of load being lifted Reduce the value of frictional torque Reduce the effort needed for lifting the working load ANSWER DOWNLOAD EXAMIANS APP
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