72801. When two non-intersecting and non-coplaner shafts are connected by gears, the arrangement is known as
72802. When a nut is tightened by placing a washer below it, the bolt will be subjected to
72803. A locking device extensively used in marine type connecting rod ends is a
72804. The difference between the tooth space and the tooth thickness as measured on the pitch circle, is called
72805. 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.
72806. The endurance limit for a mirror polished material will be __________ as compared to unpolished material.
72807. A sliding bearing which operates without any lubricant present, is called
72808. The material used for brake lining should have __________ coefficient of friction.
72809. Screws jacks have multiple threads.
72810. 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.
72811. The radial distance of a tooth from the pitch circle to the top of the tooth is called
72812. In a gear, having involute teeth, the normal to the involute is a tangent to the
72813. The main memory of a computer must be large enough to contain the active parts of...........?
72814. The metal suitable for bearings subjected to light loads is
72815. A connecting rod subjected to an axial load may buckle in the plane perpendicular to the plane of motion of the connecting rod.
72816. Which of the following is an antifriction bearing?
72817. A connecting rod is four times strong in buckling about Y-axis than about X-axis.
72818. In designing a sleeve coupling, length of the sleeve is taken as (where d = Diameter of the shaft)
72819. Changing an existing document is called ..............?
72820. In helical gears, the right hand helixes on one gear will mesh __________ helixes on the other gear.
72821. A connecting rod is designed as a
72822. The cross-section of the arm of a bell crank lever is
72823. The rocker arms in internal combustion engines are of first type levers.
72824. In a crossed belt drive, the shafts are arranged parallel and rotate in the same directions.
72825. In worm gears, the angle between the tangent to the pitch helix and an element of the cylinder, is known as
72826. Idler pulley is used for
72827. The bell crank levers used in railway signalling arrangement are of third type levers.
72828. When spring index increases, the value of Wahl's stress factor
72829. 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
72830. The longitudinal stress is __________ of the circumferential stress.
72831. The expression 0.175 - 0.841/T is the Lewis form factor for
72832. A screw will be self locking, if
72833. The maximum shear stress theory is used for
72834. The elasticity is the property of a material which enables it to
72835. The surface finish factor for a mirror polished material is
72836. For low and moderate speed engines, the cam follower should move with
72837. Who was the ruler of medieval India who is credited with the construction of Grand Trunk Road?
72838. 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)
72839. If a bearing is designated by the number 305, it means that the bearing is of
72840. Tapered roller bearings can take
72841. In order to remove internal stresses produced by hardening the steel, the process usually adopted is
72842. A pressure vessel is said to be a thin shell, if the ratio of wall thickness to its diameter is equal to 1/10.
72843. A bolt of uniform strength can be developed by
72844. The ratio of endurance limit in shear to the endurance limit in flexure is
72845. The lower deviation is the algebraic difference between the
72846. When plates are fastened by a rivet, the holes in the plates should be made by punching and reaming.
72847. When carbon in the cast iron is principally in the form of graphite, the cast iron will be of
72848. A shoe brake is commonly used in railway trains.
72849. The rivet head used for boiler plate riveting is usually
72850. A single strap butt joint is always in __________ shear.