Machine Design A spring of stiffness 1000 N/m is stretched initially by 100 mm from the undeformed position. The work required to stretch it by another 100 mm is 7 N-m 10 N-m 5 N-m 15 N-m 7 N-m 10 N-m 5 N-m 15 N-m ANSWER DOWNLOAD EXAMIANS APP
Machine Design Which one of the following is a positive drive? Rope drive Chain drive V-belt drive Crossed flat belt drive Rope drive Chain drive V-belt drive Crossed flat belt drive ANSWER DOWNLOAD EXAMIANS APP
Machine Design In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that The effect of the restraining action of the heads at the end of the pressure vessel is neglected The effect of curvature of the cylinder wall is neglected All of these The tensile stresses are uniformly distributed over the section of the walls The effect of the restraining action of the heads at the end of the pressure vessel is neglected The effect of curvature of the cylinder wall is neglected All of these The tensile stresses are uniformly distributed over the section of the walls ANSWER DOWNLOAD EXAMIANS APP
Machine Design The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled spring is Smaller Equal Larger/smaller depending on diameter of spring coil Larger Smaller Equal Larger/smaller depending on diameter of spring coil Larger ANSWER DOWNLOAD EXAMIANS APP
Machine Design The product of the diametral pitch and circular pitch is equal to 1/π π 1 π × number of teeth 1/π π 1 π × number of teeth ANSWER DOWNLOAD EXAMIANS APP
Machine Design Cold working Increases the fatigue strength Alone has no influence on fatigue strength Decreases the fatigue strength Has no influence on fatigue strength Increases the fatigue strength Alone has no influence on fatigue strength Decreases the fatigue strength Has no influence on fatigue strength ANSWER DOWNLOAD EXAMIANS APP