75552. When filing soft metals, the file teeth are clogged with minute particles of metal. The file should be cleaned by
75553. In back-hand welding, the angle between the welding rod and the work is __________ as compared to fore-hand welding.
75554. Lap joints are employed on plates having thickness
75555. A large electrode is used in un-shielded arc welding.
75556. A process used for making thin phosphate coating on steel is called parkerising.
75557. The recrystallisation temperature of steel is
75558. Who among the following was a great musician in the court Akbar?
75559. Seam welding is best adopted for metal thickness ranging from
75560. A file with 50 - 60 teeth in 25 mm is called bastard file.
75561. The surface to be machined is marked on the pattern by
75562. In electric resistance welding, pressure applied varies from
75563. In order to deliver molten metal from pouring basin to gate, a __________ is used.
75564. V-block is used to
75565. A progressive limit gauge has
75566. Piercing is an operation of cutting
75567. Shift is a casting defect which
75568. During drawing operation, the states of stress in cup would include
75569. A diamond pointed chisel is used for cutting
75570. The length of hacksaw blade is the distance between the outside edges of the holes which fits over the pins.
75571. The parts of circular cross-section which are symmetrical about the axis of rotation are made by
75572. In permanent mould casting method
75573. In electric resistance welding, pressure is applied just after the completion of current.
75574. Scribing block is used to
75575. Neutral flame is usd to weld
75576. Acetylene gas is stored in cylinders in
75577. Which one of the following material will require the largest size of riser for the same size of casting?
75578. The consumable electrode is used in
75579. The operation of cutting a sheet of metal in a straight line along the length, is known as
75580. Forming is the operation of removing metal to the desired shape from the edge of a plate.
75581. Cold working of metal increases
75582. In welding aluminium with TIG arc welding, alternating current is used.
75583. Linde welding uses
75584. The purpose of a gate is to
75585. When two pieces of different metals are to be welded by projection welding, then the projection should be made on the metal piece having __________ conductivity.
75586. The vertical welding do not require plate edge preparation upto 16 mm thickness.
75587. The dowels are
75588. In arc welding, the temperature of heat produced by the electric arc is of the order of
75589. Extrusion
75590. The operation of cutting of a flat sheet to the desired shape is called
75591. The process of decreasing the cross-section of a bar and increasing its length, is called
75592. A casting defect which occurs due to improper venting of sand is known as
75593. Swab is used for
75594. The temperature of the inner luminous cone of neutral flame is about
75595. The metal patterns as compared to wooden patterns require less
75596. When the dimension is expressed as , then the basic size is
75597. In order to produce uniform packing of sand in the moulds, a __________ is used.
75598. The difference between the upper limit and lower limt of a dimension is called