75601. A pattern is used to make the mould cavity for pouring the molten metal for casting.
75602. The surface to be left unmachined is marked on the pattern by
75603. The two rolls in a two high rolling mills are of __________ size.
75604. The welding process used in joining mild steel shanks to high speed drills, is
75605. The mode of deformation of the metal during spinning is
75606. The process used to improve fatigue resistance of the metal by setting up compressive stresses in its surface, is known as
75607. Fin is a casting defect which is due to thin projections of metal not intended as a part of casting.
75608. The process of increasing the cross-section of a bar at the expense of its length, is called
75609. In TIG arc welding, the welding zone is shielded by an atmosphere of
75610. The metal extrusion process is generally used for producing
75611. The operation of giving impressions of figures, letters or designs on sheet metal parts, is known as embossing.
75612. In a gas welding of mild steel using an oxy-acetylene flame, the total amount of acetylene consumed is 10 litre. The oxygen consumption from the cylinder is
75613. The sand used for making cores is
75614. Sand wash is a casting defect which
75615. Cold working distorts grain structure and does not provide an appreciable reduction in size.
75616. Cast iron and steel pipes are produced by
75617. The acetylene cylinder is usually painted with
75618. In order to ram the sand harder at the back of the mould and softer on the pattern face, a __________ is used.
75619. The property of sand due to which the sand grains stick together, is called
75620. The temperature produced by oxy-hydrogen flame is about
75621. The oxidising flame is similar to neutral flame but the inner cone is less luminous and shorter.
75622. A hacksaw blade is specified by its
75623. According to Indian standard specifications, 100 H6/g 5 means that.
75624. Who was the Indian Security Advisor of UN Human Right Commission?
75625. The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
75626. In blanking operation, the clearance is provided on
75627. In piercing operation, the clearance is provided on
75628. If an aluminium pattern made from a wooden master pattern is to be used for grey iron castings, then the shrinkage allowance allowed on the wooden pattern should be
75629. For arc welding
75630. When the file is moved to and fro over the work, it is known as
75631. The hot working of metals is carried out
75632. In a four high rolling mill, the diameter of backing up rolls is __________ the diameter of working rolls.
75633. The welding process used to join the ends of two pipes of uniform cross-section, is
75634. When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
75635. Hot piercing is extensively used for making bolts and nuts.
75636. When more volume of acetylene and less volume of oxygen is supplied, then a __________ flame is obtained.
75637. The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is
75638. The punch and die set up is __________ for punching and piercing operation.
75639. For smoothing and cleaning out depressions in the mould, a __________ is used.
75640. When the dimension is expressed as , then the tolerance is
75641. The brass and bronze are welded by __________ flame.
75642. Projection welding is a
75643. The adhesiveness is the property of a sand due to which
75644. A stripper-plate machine is used to draw the pattern from the mould.
75645. Rewrite as directed:Find out the correct sentence?
75646. For gas welding, the pressure desired at the welding torch for oxygen is
75647. Seam weiding is a
75648. In a simple die
75649. The operation of producing cup shaped parts from flat sheet metal blanks by bending and plastic flow of metal, is known as
75650. Surface plate is used to check the trueness of flat surfaces.