73601. The tail stock and the carriage of a lathe may be guided on same or different guideway.
73602. In order to achieve a specific surface finish in single point turning, the most important factor to be controlled is
73603. Surface grinding is done to produce
73604. Gear finishing operation is called
73605. The tool life is said to be over if
73606. Continuous chips with built up edge are formed during machining of
73607. The rate of removing metal is __________ by increasing the depth of cut.
73608. The method of grinding used to produce internal cylindrical holes and tapers, is
73609. The tool life is __________ cutting speed.
73610. For machining a cast iron workpiece by a high speed steel tool, the average cutting speed is
73611. The vector sum of cutting velocity and chip velocity is __________ shear velocity.
73612. For harder alloy steel, the point angle of the drill is kept
73613. An open structure of a grinding wheel is denoted by the number 1 to 8.
73614. In an orthogonal cutting, the depth of cut is halved and the feed rate is double. If the chip thickness ratio is unaffected with the changed cutting conditions, the actual chip thickness will be
73615. For turning small taper on long workpiece, the suitable method is
73616. In a milling operation, two side milling cutters are mounted with a desired distance between them so that both sides of a workpiece can be milled simultaneously. This set up is called
73617. The time (in minutes) for a drilling a hole is given by
where h is the
73618. Crack in grinding wheel is developed due to
73619. The average cutting speed for turning mild steel with a high speed steel tool is
73620. In a shaper, the metal is removed during
73621. The aluminium oxide abrasive is chiefly used for grinding
73622. In __________ operation, the chip thickness is minimum at the beginning of the cut and it reaches to the maximum when the cut terminates.
73623. In __________ operation, the cutting force is maximum when the tooth begins its cut and reduces it to minimum when the tooth leaves the work.
73624. The taper on the lathe spindle is
73625. Which of the following statement is correct in regard to centreless grinding?
73626. The specific cutting energy used for establishing the machinability of the metal depends upon its
73627. The form grinding is used to grind gear teeth, threads, splined shafts and holes.
73628. Which of the following parameters govern the value of shear angle in continuous chip formation?
73629. The relief or clearance at the cutting edge of a flat drill varies from
73630. In drilling bakellite and fibrous plastics, the point angle of a drill is
73631. The shear velocity is the velocity of
73632. In centreless grinders, the regulating wheel is inclined at
73633. A grinding wheel is said to be of __________ if the abrasive grains can be easily dislodged.
73634. In drilling softer materials, the cutting speed is __________ as compared to harder materials.
73635. Which of the following statement is correct about hot machining?
73636. For turning internal tapers, the suitable method is
73637. Lathe bed is made of
73638. In metal machining, the zone where the maximum heat is generated due to the plastic deformation of metal, is called
73639. The operation of making a cone-shaped enlargement of the end of a hole is known as
73640. Internal or external threads of different pitches can be produced by
73641. In a shaper
73642. Which of the following statement is correct about EDM machining?
73643. Spot facing is an operation of smoothing and squaring the surface around a hole.
73644. A better machinable metal is one which gives
73645. The angle between the lathe centres is
73646. When the shear angle is large
73647. The correct sequence of the following parameters in order of their maximum to minimum influence on tool life is
73648. In drilling aluminium, a drill with
73649. Ceramic cutting tools are
73650. The angle between the face and flank of the single point cutting tool is known as