86301. In a turnbuckle, if one of the rods has left hand threads, then the other rod will have
86302. When the shaft rotates in anticlockwise direction at high speed in a bearing, it will
86303. According to Lame's equation, the thickness of a cylinder is equal to (where d = Inner diameter of cylinder, p = Internal pressure, and μ = Poisson's ratio. )
86304. If T is the actual number of teeth on a helical gear and φ is the helix angle for the teeth, then formative number of teeth is written as
86305. The material generally used for air-craft components is
86306. The speed of the sprocket reduces as the chain pitch __________ for a given number of teeth.
86307. In an oil lubricated journal bearing, the coefficient of friction between the journal and the bearing
86308. The working of metals above the recrystallisation temperature is known as hot working.
86309. The ratio of number of teeth to the pitch circle diameter in millimetres is called circular pitch.
86310. The washer is generally specified by its
86311. The taper on key is given on
86312. The bending moment M and a torque T is applied on a solid circular shaft. If the maximum bending stress equals to maximum shear stress developed, then M is equal to
86313. For longitudinal joint in boilers, the type of joint used is
86314. A cotter joint is used to transmit
86315. The dynamic tooth load is due to
86316. Which of the following statement is correct regarding power screws?
86317. A hollow shaft will transmit a __________ torque than a solid shaft of the same mass and same material.
86318. A flange coupling is used to connect two shafts
86319. The algebraic difference between the maximum limit and the basic size is called
86320. When an open coiled helical compression spring is subjected to an axial compressive load, the stress induced in the wire is
86321. The contact ratio for gears is
86322. A feather key is generally
86323. If the tearing efficiency of a riveted joint is 50%, then the ratio of diameter of rivet to the pitch is
86324. The ratio of circumferential stress to longitudinal stress in a thin cylinder subjected to an internal pressure is
86325. A riveted joint is a __________ fastening.
86326. The springs mostly used in machinery have spring index less than 3.
86327. According to I.B.R., the distance between the rows of rivets, for equal number of rivets in more than one row for lap joint or butt joint (chain riveting) shall not be less than
86328. The interference may only be avoided if the addendum circles of the two mating gears cut the common tangent to the base circles between the points of tangency.
86329. The spigot and socket joint is mostly used for pipes which are burried in the earth.
86330. The permissible stress in the fillet weld is 100 N/mm2. The fillet weld has equal leg lengths of 15 mm each. The allowable shearing load on the weldment per cm length of the weld is
86331. In the levers of third type, the mechanical advantage is __________ one.
86332. The edges of the boiler plates are bevelled to an angle of
86333. Lewis form factor for composite and full depth involute system is (where T = Number of teeth)
86334. The stretching in a belt can be controlled by __________ the stress in the belt.
86335. The distribution of the forces along the length of key fitted in a shaft
86336. The stress which vary from a minimum value to a maximum value of the same nature (i.e. tensile or compressive) is called
86337. When the material of key and shaft is same, and the width of key is one-fourth of the diameter of shaft (d), then length of key will be
86338. The pressure angle for involute gears depends upon the size of teeth.
86339. When a belt drive is transmitting maximum power,
86340. Gears are casted by
86341. When a cylinder is subjected to a very high internal fluid pressure, the thin cylinder should be used.
86342. In a full journal bearing, the angle of contact of the bearing with the journal is
86343. In a flat belt drive, if the slip between the driver and belt is 1 %, between the belt and follower is 3% and driver and follower pulley diameters are equal, then velocity ratio of the drive will be
86344. A cotter joint is used to connect two __________ rods.
86345. A bolt has
86346. The material commonly used for machine tool bodies is
86347. The power transmitted by a belt drive is maximum when the maximum tension in the belt is __________ the centrifugal tension.
86348. The largest diameter of an external or internal screw thread is known as
86349. The gears are termed as medium velocity gears, if their peripheral velocity is
86350. The product of the diametral pitch and circular pitch is equal to
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