Machine Design In order to have smooth operation, the minimum number of teeth on the smaller sprocket, for moderate speeds, should be 17 25 21 15 17 25 21 15 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 (according to Barth) will be equal to (Where, Pc is centrifugal tension) [⅟₂ × (P1 + P2)] + Pc P1 + P2 [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) [⅟₂ × (P1 + P2)] + Pc P1 + P2 [(√P1 + √P2)/2]² ⅟₂× (P1 + P2) ANSWER DOWNLOAD EXAMIANS APP
Machine Design In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to Increase the key length Increase the key width Increase the key depth Decrease the key length Increase the key length Increase the key width Increase the key depth Decrease the key length ANSWER DOWNLOAD EXAMIANS APP
Machine Design In hydrostatic bearings The oil film is maintained by supplying oil under pressure Grease is used for lubrication The Oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant The oil film is maintained by supplying oil under pressure Grease is used for lubrication The Oil film pressure is generated only by the rotation of the journal Do not require external supply of lubricant ANSWER DOWNLOAD EXAMIANS APP
Machine Design In levers, leverage is the ratio of Effort arm to the load arm Mechanical advantage to the velocity ratio Load lifted to the effort applied Load arm to the effort arm Effort arm to the load arm Mechanical advantage to the velocity ratio Load lifted to the effort applied Load arm to the effort arm ANSWER DOWNLOAD EXAMIANS APP
Machine Design The stiffness of a closely coiled helical spring subjected to an axial load W is equal to (where G = Modulus of rigidity, and n = Number of active coils) Gd⁴/ 8D²n Gd3/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D3n Gd⁴/ 8D²n Gd3/ 8D3n Gd⁴/ 4D3n Gd⁴/ 8D3n ANSWER DOWNLOAD EXAMIANS APP
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