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**A column is known as a long column if the slenderness ratio is****The square threads are usually found on****In case of pressure vessels having open ends, the fluid pressure induces****Auto frettage is the method of****A fast and loose pulley drive is used when****The value of stress concentration factor depends upon****In worm gears, the pressure angle is ________ the angle between two inclined faces in axial plane.****In designing a key, it is assumed that the distribution of forces along the length of key****In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known…****Applications in which stresses are encountered in one direction only uses following type of threads****Two shafts will have equal strength, if****The fatigue stress concentration factor is defined as****The shearing stresses in the inner face as compared to outer face of the wire in a heavy close coiled…****Which of the following key is preferred for the condition when a large amount of impact type torque…****The form factor of a helical gear __________ with the increase in the helix angle.****Deep groove ball bearings are used for****In a partial journal bearing, the angle of contact of the bearing with the journal is****The usual clearance provided in hydrodynamic bearing per mm of diameter of shaft is****When an open coiled helical compression spring is subjected to an axial load (W), the compression produced…****A screw is said to be over hauling screw, if the****In a full journal bearing, the angle of contact of the bearing with the journal is****A triple riveted butt joint with double straps of unequal width is to be designed for a boiler shell.…****The bending moment M and a torque T is applied on a solid circular shaft. If the maximum bending stress…****Spring stiffness is****Antifriction bearings are****During hot working of metals,****In order to avoid tearing of the plate at edge, the distance from the center line of the rivet hole…****The material commonly used for machine tool bodies is****The lower deviation is the algebraic difference between the****In order to have a connecting rod equally strong in buckling about X-axis and Y-axis, the moment of…**