Machine Design The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given by (where T = Number of teeth on the sprocket) p = D sin (120°/T) p = D sin (360°/T) p = D sin (180°/T) p = D sin (90°/T) p = D sin (120°/T) p = D sin (360°/T) p = D sin (180°/T) p = D sin (90°/T) ANSWER DOWNLOAD EXAMIANS APP
Machine Design If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting centrifugal tension) will be equal to (Where, Pc is centrifugal tension) P1 + P2 P1 - P2 ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 P1 - P2 ⅟₂ × (P1 + P2) [⅟₂ × (P1 + P2)] + Pc ANSWER DOWNLOAD EXAMIANS APP
Machine Design The rated life of a bearing varies Inversely as cube of load Inversely as fourth power of load Inversely as square of load Directly as load Inversely as cube of load Inversely as fourth power of load Inversely as square of load Directly as load 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 In designing a key, it is assumed that the distribution of forces along the length of key Varies linearly Varies exponentially, being more at the torque-input end Varies exponentially, being less at the torque-input end Is uniform throughout Varies linearly Varies exponentially, being more at the torque-input end Varies exponentially, being less at the torque-input end Is uniform throughout ANSWER DOWNLOAD EXAMIANS APP
Machine Design Spring stiffness is Its ability to absorb shocks Its capability of storing energy Load required to produce unit deflection Ratio of coil diameter to wire diameter Its ability to absorb shocks Its capability of storing energy Load required to produce unit deflection Ratio of coil diameter to wire diameter ANSWER DOWNLOAD EXAMIANS APP
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