86201. The product of the diametral pitch and module is equal to one.
86202. The static tooth load should be __________ the dynamic load.
86203. Power screws are used to convert rotary motion into translatory motion.
86204. The function of the washer is to
86205. In case of pressure vessels having open ends, the fluid pressure induces
86206. The set screws are used to prevent relative motion between the two parts.
86207. The face angle of a bevel gear is equal to
86208. Two shafts will have equal strength, if
86209. The size of a cam depends upon
86210. The velocity factor for very accurately cut and ground metallic gears operating at velocities upto __________ is equal to 6/6 + v.
86211. The power transmitted by means of a belt depends upon
86212. Which of the following coupling is used to connect two shafts which have both lateral and angular misalignment ?
86213. In a multiple V-belt drive, when a single belt is damaged, it is preferable to change the complete set in order to
86214. A steel containing 0.8% carbon is known as
86215. Guest's theory is used for
86216. The square threads are usually found on
86217. According to Clavarino's equation, the thickness of a cylinder is equal to (where d = Inner diameter of cylinder, p = Internal pressure, and μ = Poisson's ratio. )
86218. For general industrial machinery, the ratio of the length of journal to its diameter is taken as
86219. The spring mostly used in gramophones is
86220. A screw is said to be over hauling screw, if the
86221. Shaft coupling is used in machinery to
86222. Oldham coupling is used to connect two shafts
86223. The ends of the leaves of a semi-elliptical leaf spring are made triangular in order to
86224. The face of the tooth is the
86225. A turn buckle is used to connect two round rods subjected to tensile loading and requiring subsequent adjustment for tightening or loosening.
86226. The plasticity is the property of a material which enables it to
86227. An open coiled helical compression spring 'A' of mean diameter 50 mm is subjected to an axial load W. Another spring 'B' of mean diameter 25 mm is similar to spring 'A' in all respects. The deflection of spring 'B' will be __________ as compared to spring 'A'.
86228. When the bolt is very yielding as compared to the connected members, then the resultant load on the bolt will be equal to the
86229. During hot working of metals,
86230. A saddle key __________ power through frictional resistance only.
86231. A rivet is specified by
86232. In thrust bearings, the load acts
86233. Auto frettage is the method of
86234. According to Indian standard specifications, a grey cast iron designated by 'FG 200' means that the
86235. In a belt drive, if the pulley diameter is doubled keeping the tension and belt width constant, then it will be necessary to
86236. The draw of cotter should not be more than
86237. The bolts of smaller diameter than M16 are not permitted in making fluid tight joints.
86238. A quarter turn belt drive is used when the shafts are arranged at right angles and rotate in one definite direction.
86239. According to Indian standard specifications, a plain carbon steel designated by 40C8 contains carbon
86240. The machine screws are
86241. A bolt is designed on the basis of __________ with a large factor of safety.
86242. Creep in belt is due to
86243. The minimum number of teeth on the pinion which will mesh with any gear without interference for 20° full depth involute teeth will be
86244. A bolt of M 24 x 2 means that
86245. In designing a sleeve coupling, outer diameter of the sleeve is taken as (where d = Diameter of the shaft)
86246. In order to ensure self locking in a screw jack, it is essential that helix angle is __________ friction angle.
86247. While designing a screw in a screw jack against buckling failure, the end conditions for the screw are taken as
86248. When a closely coiled helical spring is subjected to a couple about its axis, the stress induced in the wire material of the spring is
86249. In a journal bearing, the load on the bearing is __________ to the axis of the journal.
86250. An imaginary circle which by pure rolling action gives the same motion as the actual gear, is called
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