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You Are On Multi Choice Question Bank SET 1470

73501. A round nose tool has no back rake and side rake.

73502. In electro-discharge machining, tool is made of

73503. The cutting speed is maximum while machining __________ with a high speed steel tool.

73504. The obtuse angle, included between the chisel edge and the lip as viewed from the end of a drill, is called

73505. The plain milling machine is more rigid and heavier in construction than a universal milling machine of the same size.

73506. An operation of embossing a diamond shaped pattern on the surface of a workpiece, is known as

73507. An operation of enlarging the end of a hole cylindrically is known as grooving.

73508. The most powerful type of computer is?

73509. It is desired to perform the operations like drilling, reaming, counter-boring etc. on a work piece. Which of the following machine will be used?

73510. The lathe centres are provided with standard taper known as

73511. In a plain milling cutter, the portion of the gash adjacent to the cutting edge on which the chip impinges is called

73512. The grooving is an operation of

73513. Cutting fluids are used to

73514. The structure of a grinding wheel depends upon

73515. In a plain milling cutter, the chip space between the back of one tooth and the face of the next tooth is called

73516. In which of the following machine, the work rotates and the tool is stationary?

73517. The cutting fluid mostly used for machining alloy steels is

73518. The cutting speed is zero at the periphery and it is maximum at the centre of the drill.

73519. In metal cutting operations, chips are formed due to plastic deformation of the metal.

73520. Tool life is generally better when

73521. When the metal is removed by erosion caused by rapidly recurring spark discharges between the tool and work, the process is known as

73522. Cemented carbide tools are generally poor in shear.

73523. Which of the following statement is wrong as regard to down milling?

73524. In reaming process

73525. The lathe spindles at the nose end have

73526. The lip clearance angle is the angle formed by the

73527. Flank wear occurs mainly on the

73528. The process of changing the shape of grinding wheel as it becomes worn due to breaking away of the abrasive and bond, is called

73529. The infeed grinding is similar to plunge grinding.

73530. The cutting angle of a flat drill varies from

73531. In electro-discharge machining, dielectric is used to

73532. In metal cutting operations, the shear angle is the angle made by the shear plane with the

73533. The floating position of the holding fixture in a rotary transfer device is used to

73534. The operation of smoothing and squaring the surface around a hole is known as

73535. The cutting force in down milling is maximum when the tooth begins its cut and reduces to minimum when the tooth leaves the work.

73536. The ductile materials, during machining, produce

73537. Slow speed of the spindle is necessary in

73538. The hole drilled for tapping should be smaller than the tap size by twice the depth of thread.

73539. Relief angles on high speed steel tools usually vary from

73540. Discontinuous chips are formed during machining of

73541. A drill mainly used in drilling brass, copper or softer materials, is

73542. In a planer

73543. Which of the following operation is first performed?

73544. The size of a lathe is specified by the

73545. If the cutting speed is increased, then the built-up-edge

73546. For machining a mild steel workpiece by a high speed steel tool, the average cutting speed is

73547. Tool signature consists of __________ elements.

73548. The negative rake is usually provided on

73549. The tool life is affected by

73550. Up milling is also called conventional milling.

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