Machine Design The endurance limit in shear of carbon steel can be obtained by multiplying the endurance limit in flexure by a factor of 0.55 0.75 0.65 0.45 0.55 0.75 0.65 0.45 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 The crest diameter of a screw thread is same as Core diameter Pitch diameter Major diameter Minor diameter Core diameter Pitch diameter Major diameter Minor diameter ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the shaft rotates in anticlockwise direction at high speed in a bearing, it will Move towards right of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Move towards left of the bearing making metal to metal contact Have contact at the bottom most of the bearing Move towards right of the bearing making metal to metal contact Move towards right of the bearing making no metal to metal contact Move towards left of the bearing making metal to metal contact Have contact at the bottom most of the bearing ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the connected members are very yielding (soft gasket) as compared to the bolt, then the resultant load on the bolt will be equal to the Initial tension External load applied Sum of the initial tension and external load applied Initial tension or external load, whichever is greater Initial tension External load applied Sum of the initial tension and external load applied Initial tension or external load, whichever is greater ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the belt is transmitting maximum power, the belt speed should be (Where, m = mass of belt per meter (kg/m) and Pmax = maximum permissible tension in belt (N)) √(Pmax / m) √(Pmax / 2m) √(Pmax / 3m) √(3m /Pmax) √(Pmax / m) √(Pmax / 2m) √(Pmax / 3m) √(3m /Pmax) ANSWER DOWNLOAD EXAMIANS APP