Machine Design All stresses produced in a belt are Tensile stresses Shear stresses Compressive stresses Both tensile and compressive stresses Tensile stresses Shear stresses Compressive stresses Both tensile and compressive stresses ANSWER DOWNLOAD EXAMIANS APP
Machine Design A screw will be self locking, if Friction angle is more than helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is equal to helix angle Friction angle is more than helix angle Efficiency of screw is 100% Friction angle is less than helix angle Friction angle is equal to helix angle ANSWER DOWNLOAD EXAMIANS APP
Machine Design If d is the normal diameter of a bolt in mm, then the initial tension in kg in a bolt used for making a fluid tight joint as for steam engine cover joint is calculated by the relation 168 d 138 d 124 d 151 d 168 d 138 d 124 d 151 d ANSWER DOWNLOAD EXAMIANS APP
Machine Design The property of a material which enables it to be drawn into wires with the application of a tensile force, is called Ductility Elasticity Malleability Plasticity Ductility Elasticity Malleability Plasticity 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 / 2m) √(3m /Pmax) √(Pmax / m) √(Pmax / 3m) √(Pmax / 2m) √(3m /Pmax) √(Pmax / m) √(Pmax / 3m) ANSWER DOWNLOAD EXAMIANS APP
Machine Design When the speed of belt increases, The power transmitted will increase The coefficient of friction between the belt and pulley decreases The coefficient of friction between the belt and pulley increases The power transmitted will decrease The power transmitted will increase The coefficient of friction between the belt and pulley decreases The coefficient of friction between the belt and pulley increases The power transmitted will decrease ANSWER DOWNLOAD EXAMIANS APP
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