40°

45°

38°

60°

**The groove angle of pulleys for V-belt is****When two helical springs of equal lengths are arranged to form a cluster spring, then****When a nut is tightened by placing a washer below it, the bolt will be subjected to following type of…****The crest diameter of a screw thread is same as****The constant factor in case of R10 series of preferred numbers is****Jam nut is a locking device in which****The ball bearings are provided with a cage****If the centre distance of the mating gears having involute teeth is varied within limits, the velocity…****A screw is said to be over hauling screw, if its efficiency is****The connecting rod bolts are tightened up with initial tension greater than the external load so that****In block brakes, the ratio of shoe width to wheel diameter is taken between****In designing a connecting rod, it is considered like __________ for buckling about Y-axis.****In order to determine the stresses in a thin cylinder due to an internal pressure, it is assumed that****If the centre distance of the mating gears having involute teeth is increased, then the pressure angle****Which one of the following is a positive drive?****The power transmitted by the belt drive can be increased by****The ratio of pitch circle diameter in millimetres to the number of teeth, is called****When two springs are in series (having stiffness K), the equivalent stiffness will be****When bevel gears having equal teeth and equal pitch angles connect two shafts whose axes intersect at…****I.S. specifies following total number of grades of tolerances****Fabric belts are used in industrial applications because****According to maximum shear stress theory, the maximum shear stress in the shaft is****When the speed of belt increases,****The width of the pulley should be __________ width of the belt.****According to Indian standards, the diameter of rivet hole is made larger than the basic size of rivet…****In unilateral system of tolerance, the tolerance is allowed on****The bearings of heavy series have capacity ________ over the medium series.****If P1 and P2 are the tight and slack side tensions in the belt, then the initial tension Pi (neglecting…****A bolt of M 24 × 2 means that****Rankine Gordon formula for buckling is valid for**