86001. In a flange coupling, the thickness of flanges is taken as one-half the diameter of shaft.
86002. The rolling contact bearings are known as
86003. The backlash for spur gears depends upon
86004. The size of a gear is usually specified by
86005. The circumferential and longitudinal strains in a cylindrical boiler under internal steam pressure are εc and εl respectively. The change in volume of the boiler cylinder per unit volume will be
86006. The bearings of heavy series have capacity __________ over the medium series.
86007. A steel containing more than 0.8% carbon is known as eutectoid steel.
86008. In leaf springs, the longest leaf is known as
86009. The taper on cotter varies from
86010. Which of the following screw thread is used for power transmission in one direction only.
86011. When the bearing is subjected to large fluctuations of load and heavy impacts, the bearing characteristic number should be __________ the bearing modulus.
86012. The rolling contact bearings as compared to sliding contact bearings have
86013. The maximum normal stress theory is used for
86014. When two non-intersecting and non-coplaner shafts are connected by gears, the arrangement is known as
86015. When a nut is tightened by placing a washer below it, the bolt will be subjected to
86016. A locking device extensively used in marine type connecting rod ends is a
86017. The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called
86018. When a load W is suddenly applied to a bar of weight W1, the stress induced in the bar will increase with the increase in weight W1.
86019. The endurance limit for a mirror polished material will be __________ as compared to unpolished material.
86020. A sliding bearing which operates without any lubricant present, is called
86021. The material used for brake lining should have __________ coefficient of friction.
86022. Screws jacks have multiple threads.
86023. In an ordinary bolt, the effect of the impulsive loads applied axially is concentrated on the cross-sectional area at the root of the threads.
86024. The radial distance of a tooth from the pitch circle to the top of the tooth is called
86025. In a gear, having involute teeth, the normal to the involute is a tangent to the
86026. The metal suitable for bearings subjected to light loads is
86027. A connecting rod subjected to an axial load may buckle in the plane perpendicular to the plane of motion of the connecting rod.
86028. Which of the following is an antifriction bearing?
86029. A connecting rod is four times strong in buckling about Y-axis than about X-axis.
86030. In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft)
86031. In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.
86032. A connecting rod is designed as a
86033. The cross-section of the arm of a bell crank lever is
86034. The rocker arms in internal combustion engines are of first type levers.
86035. In a crossed belt drive, the shafts are arranged parallel and rotate in the same directions.
86036. In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as
86037. Idler pulley is used for
86038. The bell crank levers used in railway signalling arrangement are of third type levers.
86039. When spring index increases, the value of Wahl's stress factor
86040. A shaft is subjected to a maximum bending stress of 80 N/mm2 and maximum shearing stress equal to 30 N/mm2 at a particular section. If the yield point in tension of the material is 280 N/mm2 and the maximum shear stress theory of failure is used, then the factor of safety obtained will be
86041. The longitudinal stress is __________ of the circumferential stress.
86042. The expression 0.175 - 0.841/T is the Lewis form factor for
86043. A screw will be self locking, if
86044. The maximum shear stress theory is used for
86045. The elasticity is the property of a material which enables it to
86046. The surface finish factor for a mirror polished material is
86047. For low and moderate speed engines, the cam follower should move with
86048. When a bolt and nut is made of mild steel, then the effective height of nut is made equal to (where d = Nominal diameter of bolt)
86049. If a bearing is designated by the number 305, it means that the bearing is of
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