1. The symbol for the desired weld is attached to the reference line, or shank, of the arrow.



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MCQ->The symbol for the desired weld is attached to the reference line, or shank, of the arrow.....
MCQ->The simplest method of welding two pieces of metal together is known as pressure welding.The ends of a metal are heated to a white heat-for iron,the welding temperature should be about 1300C-in a flame.At this temperature the metal becomes plastic.The ends are pressed or hammered together,and the joint is smoothed off.Care must be taken to ensure that surfaces are thoroughly clean first,for dirt will weaken the weld.Moreover,the heating of iron or steel to a high temperature cause oxidation,and a film of oxide is added to the heated surfaces.For this reason,flux is applied to the heated metal.At welding heat,flux melts and the oxide particles are dissolved in it together with any other impurities which may be present.The metal surfaces are pressed together,and the flux is squeezed out from the center of the weld.A number of different types of weld may be used,but for fairly thick bars of metals,a vee-shaped belt should be normally employed.It is rather stronger than ordinary butt weld. The simplest way of welding two pieces of metal together is....
MCQ->Which of the following statements are correct about the this reference? this reference can be modified in the instance member function of a class. Static functions of a class never receive the this reference. Instance member functions of a class always receive a this reference. this reference continues to exist even after control returns from an instance member function. While calling an instance member function we are not required to pass the this reference explicitly.....
MCQ->A circular plate 100 mm diameter is welded to another plate by means of 6 mm fillet weld. If the permissible shearing stress in the weld equals 10 kg/mm2, then the greatest twisting moment that can be resisted by the weld will be....
MCQ->The strength of single fillet weld,having length of weld 1,weld size s and permissible stresses is:....
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