p = D sin (90°/T)

p = D sin (120°/T)

p = D sin (180°/T)

p = D sin (360°/T)

**The maximum stress due to stress concentration in a bar having circular transverse hole, as compared…****The bearings of heavy series have capacity ________ over the medium series.****The bending moment M and a torque T is applied on a solid circular shaft. If the maximum bending stress…****For a square key made of mild steel, the shear and crushing strength are related as****The most important dimension in the design of a nut is****If a bearing is designated by the number 305, it means that the bearing is of****The shear stress at a point in a shaft subjected to a torque is****If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then…****When an open coiled helical compression spring is subjected to an axial load (W), the compression produced…****Which process will increase the fatigue duration of parts?****Two closely coiled helical springs with stiffness k₁ and k₂ respectively are connected…****The included angle for the V-belt is usually****A stud****The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive)…****The product of the diametral pitch and circular pitch is equal to****During hot working of metals,****Which of the following formula is used in designing a connecting rod?****In cylindrical cams, the follower moves****For a shoe brake, the equivalent coefficient of friction is equal to (where μ = Actual coefficient…****Deep groove ball bearings are used for****An open belt drive is used when****A flange coupling is used to connect two shafts****When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in…****According to Indian standards, total numbers of tolerance grades are****In order to remove internal stresses produced by hardening the steel, the process usually adopted is****A column is known as a long column if the slenderness ratio is****The ratio of endurance limit in shear to the endurance limit in flexure is****Auto frettage is the method of****The angle of twist of shaft is****A type of brake commonly used in motor cars is a**