86451. The included angle for the British standard whitworth thread is
86452. Failure of a material is called fatigue when it fails
86453. The strength of a riveted joint is equal to
86454. When a helical compression spring is cut into halves, the stiffness of the resulting spring will be
86455. The transverse fillet welded joints are designed for
86456. The centrifugal tension in the belt
86457. According to I.B.R., the efficiency of a double riveted butt joint with double cover straps of equal width should be
86458. The buckling load will be maximum for a column, if
86459. The cap screws are
86460. In skew bevel gearing, the axes of shafts are
86461. A chain drive transmits __________ power as compared to belt drive.
86462. If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will
86463. When the fulcrum is in between the load and effort, the lever is said to be of
86464. The ball bearings are, usually, made from
86465. The V-belt is used to transmit great amount of power and when the two pulleys are very near to each other.
86466. A coupling used to connect two perfectly aligned shafts, is
86467. In a nut and bolt, the diameter at which the ridges on the bolt are in complete touch with the ridges of the corresponding nut, is called pitch diameter.
86468. A double strap butt joint (with equal straps) is
86469. For a bevel gear having the pitch angle θ , the ratio of formative number of teeth (TE) to actual number of teeth (T) is
86470. The modulus of elasticity for mild steel is approximately equal to
86471. A connecting rod subjected to an axial load may buckle with
86472. A type of brake commonly used in motor cars is a
86473. The sleeve or muff coupling is designed as a
86474. A sliding bearing in which the working surfaces are completely separated from each other by lubricant is called zero film bearing.
86475. Screws used for power transmission should have
86476. The number of rivets in shear shall be equal to the number of rivets in crushing.
86477. When bevel gears connect two shafts whose axes intersect at an angle greater than a right angle and one of the bevel gears has a pitch angle of 90°, then they are known as
86478. In order to prevent tool from rubbing the work __________ on tools are provided.
86479. The silicon carbide abrasive is chiefly used for grinding
86480. Drilling is an example of
86481. A round nose tool may be fed eitner from left to right end or from right to left end of the lathe bed.
86482. When the cutting edge of the tool is dull, then during machining
86483. A fine grained grinding wheel is used to grind hard materials.
86484. Cast iron during machining produces
86485. A single point thread cutting tool should ideally have
86486. The work or surface speed for cylindrical grinding varies from
86487. The cutting tool in a milling machine is mounted on
86488. The tool made of cemented carbide wear out faster at
86489. A push broach as compared to pull broach
86490. Twist drills are made of
86491. A twist drill is a
86492. The rake angle required to machine brass by high speed steel tool is
86493. The lip angle of a single point tool is usually
86494. The average cutting speed for turning brass with a high speed steel tool is
86495. The maximum production of small and slender parts is done by
86496. Side rake angle on tools is provided to control chip flow.
86497. The method of grinding used to produce a straight or tapered surface on a workpiece, is
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