88451. Tandem drawing of wires and tubes is necessary because
88452. In a __________ , both cutting and non-cutting operations are performed at one station of the press in every stroke of the ram.
88453. Cold working requires much higher pressure that hot working.
88454. The operation of bending a sheet of metal along a curved axis, is known as
88455. In a __________ , two or more operations are performed simultaneously at the single stroke of the ram.
88456. A rip saw
88457. The welding set up is said to have reversed polarity when the work is connected to the negative terminal and the electrode holder to the positive terminal.
88458. For welding plates of thickness more than 12.5 mm, its edges
88459. In electric resistance welding, voltage required for heating is
88460. Most of the oxy-acetylene welding is done with
88461. The cutting edge of a chisel should be
88462. Scab is a casting defect which occurs as sand patches on the upper surface of a casting.
88463. In order to check the clearance between two mating surfaces, a __________ gauge should be used.
88464. When the weld is made from left to right, it is known as back-hand welding.
88465. The current in electric resistance welding can be regulated by
88466. In a cold chamber die casting machine, only non-ferrous alloys with __________ are casted.
88467. A mortise gauge is a
88468. The casting method adopted for ornaments and toys of non-ferrous alloys, is
88469. In a cold chamber die casting machine
88470. Structural sections such as rails, angles, I-beams are made by
88471. The minimum size of a billet is 10 cm x 10 cm.
88472. In welding magnesium with TIG arc welding, direct current with __________ is used.
88473. Cutting and forming operations can be performed in a single operation in a
88474. The teeth of hacksaw blade are bent
88475. In a cold chamber die casting machine, a measured quantity of molten metal is brought in a ladle from the melting pot to a chamber and forced into the closed die-section by applying hydraulic pressure upon the plunger.
88476. For cutting brass, the hacksaw blade should have __________ teeth per 25 mm.
88477. A casting defect which occurs near the ingates as rough lumps on the surface of a casting is known as
88478. The cold chisels are made from
88479. To prevent the body of the blade from jamming in the saw cut, the teeth of blade are
88480. A ring gauge is used to
88481. A casting defect which results in general enlargement of a casting is known as
88482. Rotary swaging
88483. The operation of cutting a number of holes evenly spaced in a regular pattern on a sheet of metal is. called perforating.
88484. The metal is subjected to mechanical working for
88485. The electron beam welding can be carried out in
88486. In tungsten-inert gas arc welding, a __________ electrode is used.
88487. The operation of cutting a cylindrical hole in a sheet of metal by the punch and die is called
88488. In die casting, machining allowance is
88489. The welding set up is said to have straight polarity, when
88490. A moving mandrel is used in
88491. The most preferred process for casting gas turbine blades is
88492. The upsetting is a process of
88493. If neutral flame is used in oxy-acetylene welding, both oxygen and acetylene cylinders of the same capacity will be emptied at the same time.
88494. Which of the following material can be used for making patterns ?
88495. The torch used for oxygen cutting is same as for oxy-acetylene welding.
88496. According to Indian standards, the total number of tolerance grades are
88497. Loam sand is a mixture of
88498. A three high rolling mill consists of three rolls placed one above the other. Which of the following statement is correct?
88499. The oxy-acetylene gas used in gas welding produce a flame temperature of
88500. Metal patterns require __________ draft allowance than wooden patterns.
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