To produce torque

For speed reduction

To obtain variable speeds

To increase efficiency of system

**In second type of levers,****The elasticity is the property of a material which enables it to****The bending moment M and a torque T is applied on a solid circular shaft. If the maximum bending stress…****In designing a connecting rod, it is considered like __________ for buckling about X-axis.****In nitrated parts, the origins of the fatigue cracks will occur at****The relation between the pitch of the chain (p) and pitch circle diameter of the sprocket (D) is given…****The designation M 33 × 2 of a bolt means****Which of the following statement is correct?****Which of the following statement is correct regarding power screws?****In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing****In a boundary lubricated bearing, there is a __________ of lubricant between the journal and the bearing.****Which process will increase the fatigue duration of parts?****The connecting rod bolts are tightened up with initial tension greater than the external load so that****The static tooth load should be __________ the dynamic load.****The strength of a riveted joint is equal to****A bench vice has following type of threads****The cross-section of the arm of a bell crank lever is****If a shaft made from ductile material is subjected to combined bending and twisting moment, calculations…****The function of cutting oil when threading a pipe is to****The value of Lewis form factor used in design of gears is****The metal suitable for bearings subjected to heavy loads is****A tube has the following advantage over pipe****Yield point in fatigue loading as compared to static loading is****Allen bolts are****The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive)…****The face of the tooth is the****The ratio of endurance limit in shear to the endurance limit in flexure is****For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient…****Set screws are****In a multiple V-belt drive, if one of the belts break, then**