Machine Design For tight leakage joints, following type of thread is best suited Metric Buttress NPT (national pipe threads). Square Metric Buttress NPT (national pipe threads). Square ANSWER DOWNLOAD EXAMIANS APP
Machine Design An elastic bar is fixed at the upper end and loaded at the lower end by a falling weight. The shock load produced can be reduced by Decreasing the modulus of elasticity of the bar All of these Decreasing the cross-sectional area of the bar Increasing the length of bar Decreasing the modulus of elasticity of the bar All of these Decreasing the cross-sectional area of the bar Increasing the length of bar ANSWER DOWNLOAD EXAMIANS APP
Machine Design For high speed engines, the cam follower should move with Cycloidal motion Uniform acceleration and retardation Uniform velocity Simple harmonic motion Cycloidal motion Uniform acceleration and retardation Uniform velocity Simple harmonic motion ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following pipe joints would be suitable for pipes carrying steam? Expansion Flanged Threaded Bell and spigot Expansion Flanged Threaded Bell and spigot ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shear modulus of resilience is proportional to (Shear stress)⁴ Shear stress (Shear stress)² (Shear stress)3 (Shear stress)⁴ Shear stress (Shear stress)² (Shear stress)3 ANSWER DOWNLOAD EXAMIANS APP
Machine Design The ratio of belt tensions (p1/p2) considering centrifugal force in flat belt is given by Where m = mass of belt per meter (kg/m) v = belt velocity (m/s) f = coefficient of friction a = angle of wrap (radians) P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα P1 / P2 = eᶠα P1 / P2 = e–ᶠα (P1 - mv²)/ (P2 - mv²) = e–ᶠα (P1 - mv²)/ (P2 - mv²) = eᶠα ANSWER DOWNLOAD EXAMIANS APP