Directly proportional to (shaft diameter)²

Inversely proportional to (shaft diameter)²

Directly proportional to (shaft diameter)⁴

Inversely proportional to (shaft diameter)⁴

**Two shafts of the same length and material are joined in series. If the ratio of their diameters is…****The fatigue life of a part can be improved by****The design of the pressure vessel is based on****The steel pulleys are __________ in weight than cast iron pulleys of the same capacity.****Set screws are****Cast iron pipes are mainly used****Shear stress theory is applicable for****The bending moment M and a torque T is applied on a solid circular shaft. If the maximum bending stress…****If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting…****A tube has the following advantage over pipe****The piston rod of a steam engine is usually connected to the crosshead by means of****The power transmitted by belt drive depends upon****The size of a gear is usually specified by****In skew bevel gearing, the axes of shafts are****The property of a material which enables it to be drawn into wires with the application of a tensile…****The ratio of the ultimate stress to the design stress is known as****Which of the following spring is used in mechanical wrist watch?****A thin spherical shell of internal diameter d is subjected to an internal pressure p. If V is the storage…****The following type of nut is used with alien bolt****When an open coiled helical compression spring is subjected to an axial load (W), the compression produced…****The gears are termed as medium velocity gears, if their peripheral velocity is****A screw is said to be over hauling screw, if its efficiency is****When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of…****A hollow saddle key is****When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and…****The draw of cotter should not be more than****According to Indian standards, a bolt thread of 6 mm size of coarse pitch and with allowance on the…****The number of slots in a 25 mm castle nut is****The endurance or fatigue limit is defined as the maximum value of the stress which a polished standard…****In the calculation of induced shear stress in helical springs, the Wahl's stress factor is used to take…**