Machine Design The initial tension (in newtons) in a bolt used for making a fluid tight joint like steam engine cover joints, is calculated by the relation (where d = Nominal diameter of bolt in mm) 2080 d 1680 d 2840 d 1420 d 2080 d 1680 d 2840 d 1420 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design An Involute pinion and gear are in mesh. If both have the same size of addendum, then there will be interference between the Tip of the gear and flank of pinion Tip of the pinion and flank of gear Tip of both gear and pinion Flanks of both gear and pinion Tip of the gear and flank of pinion Tip of the pinion and flank of gear Tip of both gear and pinion Flanks of both gear and pinion ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following formula is used in designing a connecting rod? Rankine's formula Euler's formula Johnson's parabolic formula Johnson's straight line formula Rankine's formula Euler's formula Johnson's parabolic formula Johnson's straight line formula ANSWER DOWNLOAD EXAMIANS APP
Machine Design Stress concentration is caused due to Pitting at points or areas at which loads on a member are applied All of these Abrupt change of section Variation in properties of material from point to point in a member Pitting at points or areas at which loads on a member are applied All of these Abrupt change of section Variation in properties of material from point to point in a member ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of driving tensions for flat belts, neglecting centrifugal tension, is (where T₁, and T₂ = Tensions on the tight and slack sides of belt respectively, μ = Coefficient of friction, between the belt and pulley, and θ = Angle of contact) log (T₁/T₂) = μθ T₁/T₂ = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ log (T₁/T₂) = μθ T₁/T₂ = μθ T₁/T₂ =eμθ T₁/T₂ = log μθ ANSWER DOWNLOAD EXAMIANS APP
Machine Design The maximum efficiency of a square threaded screw is (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) (1 - sinφ)/ (1 + sinφ) (1 + sinφ)/ (1 - sinφ) (1 + cosφ)/ (1 - sinφ) (1 - sinφ)/ (1 + cosφ) ANSWER DOWNLOAD EXAMIANS APP
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