86551. The angle made by the face of the tool and the plane parallel to the base of cutting tool is called
86552. In case of turning, as the machining proceeds, the spindle speed must __________ with the decrease in diameter of work.
86553. Back rake angle of a single point tool is the angle by which the face of the tool is inclined towards back.
86554. As the cutting speed increases, tool life decreases.
86555. In metal machining, the work-tool contact zone is a zone where heat is generated due to
86556. Thread grinding requires work speed from
86557. Threading is an operation of
86558. Glazing in grinding wheels can be decreased by
86559. The cutting speed is minimum while machining __________ with a high speed steel tool.
86560. A process of removing metal by pushing or pulling a cutting tool is called
86561. The hardness of a grinding wheel is specified by
86562. Which of the following operations can be performed with milling cutters?
86563. While cutting helical gears on a non-differential gear hobber, the feed change gear ratio is
86564. The swing diameter over the bed is __________ the height of the centre measured from the bed of the lathe.
86565. In grinding irregular, curved, tapered, convex and concave surfaces, the grinder used is
86566. Down milling is also called
86567. Any number of equal divisions can be obtained on milling machine by
86568. The depth of cut in drilling is __________ the drill diameter.
86569. The type of tool used on lathe, shaper and planer is
86570. A __________ grinding wheel is used to grind soft materials.
86571. The relation between tool life (T) and cutting speed (V) is VTn = Constant. In this relation, the value of n depends upon
86572. In order to grind soft material
86573. In centreless grinders, the maximum angular adjustment of the regulating wheel is
86574. The type of reamer used for reaming operation in a blind hole, is
86575. In a single point tool, the angle between the surface of the flank immediately below the point and a line drawn from the point perpendicular to the base, is known as
86576. A set of eight form relieved milling cutters for each module is provided to enable cutting of gears of different
86577. Crater wear is usually found while machining brittle materials.
86578. The grinding operaion is a
86579. The guideways are of
86580. The snag grinding is done
86581. The velocity of tool along the tool face is known as
86582. The purpose of jigs and fixtures is to
86583. In hot machining, solid carbide tools are preferred over high speed steel tools.
86584. The trade name of a non-ferrous cast alloy composed of cobalt, chromium and tungsten is called
86585. In which of the following milling machine, the table can be tilted in a vertical plane by providing a swivel arrangement at the knee?
86586. A coarse grained grinding wheel is used to grind
86587. The abrasive slurry used in ultra-sonic machining contains fine particles of
86588. High speed steel cutting tools operate at cutting speeds __________ than carbon steel tools.
86589. The factor which affects the tool life is
86590. In lapping operaion, the amount of metal removed is
86591. The cutting force in up milling __________ per tooth movement of the cutter.
86592. The height of each tooth of a broach is
86593. A right hand tool on a lathe cuts most efficiently when it travels
86594. The surface finish is improved by the increase in
86595. The cutting speed for drilling copper with high speed steel drills varies from
86596. A dense structure of a grinding wheel is denoted by the number 9 to 15 or higher.
86597. High speed steel tools retain their hardness upto a temperature of
86598. A taper tap has
86599. For machining a mild steel workpiece using carbide tool, the maximum material will be removed at a temperature of
86600. Climb milling is chosen while machining because
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