Machine Design In a flange coupling, the bolts are subjected to Tensile stress Shear stress None of these Compressive stress Tensile stress Shear stress None of these Compressive stress ANSWER DOWNLOAD EXAMIANS APP
Machine Design Two rigid plates are clamped by means of bolt and nut with an initial force F. After tightening, a separating force P (P < F) is applied to the lower plate, which in turn acts on the nut. The tension in the both after this is F + P F P F.P F + P F P F.P ANSWER DOWNLOAD EXAMIANS APP
Machine Design If the centre distance of the mating gears having involute teeth is varied within limits, the velocity ratio Decreases Remains unchanged None of these Increases Decreases Remains unchanged None of these Increases ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which of the following pipe joints would be suitable for pipes carrying steam? Expansion Threaded Flanged Bell and spigot Expansion Threaded Flanged Bell and spigot ANSWER DOWNLOAD EXAMIANS APP
Machine Design At low temperatures (say 75°C) the notched bar impact value of steel Decreases markedly Depends on heat treatment carried out Increases markedly Remain same Decreases markedly Depends on heat treatment carried out Increases markedly Remain same ANSWER DOWNLOAD EXAMIANS APP
Machine Design Residual stress in materials Is always harmful Becomes zero when external load is removed Is independent of external loads Acts when external load is applied Is always harmful Becomes zero when external load is removed Is independent of external loads Acts when external load is applied ANSWER DOWNLOAD EXAMIANS APP