88601. The acetylene cylinder is usually painted with
88602. In order to ram the sand harder at the back of the mould and softer on the pattern face, a __________ is used.
88603. The property of sand due to which the sand grains stick together, is called
88604. The temperature produced by oxy-hydrogen flame is about
88605. The oxidising flame is similar to neutral flame but the inner cone is less luminous and shorter.
88606. A hacksaw blade is specified by its
88607. According to Indian standard specifications, 100 H6/g 5 means that.
88608. The edge of a steel plate cut by oxygen cutting will get hardened when the carbon content is
88609. In blanking operation, the clearance is provided on
88610. In piercing operation, the clearance is provided on
88611. 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
88612. For arc welding
88613. When the file is moved to and fro over the work, it is known as
88614. The hot working of metals is carried out
88615. In a four high rolling mill, the diameter of backing up rolls is __________ the diameter of working rolls.
88616. The welding process used to join the ends of two pipes of uniform cross-section, is
88617. When the molten metal is fed in the cavity of a metallic mould by gravity, the method of casting is known as
88618. Hot piercing is extensively used for making bolts and nuts.
88619. When more volume of acetylene and less volume of oxygen is supplied, then a __________ flame is obtained.
88620. The instrument used to measure external and internal diameter of shafts, thickness of parts and depth of holes, is
88621. The punch and die set up is __________ for punching and piercing operation.
88622. For smoothing and cleaning out depressions in the mould, a __________ is used.
88623. When the dimension is expressed as , then the tolerance is
88624. The brass and bronze are welded by __________ flame.
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