1) The injury or killing of someone by electric shock a) Amperage b) Current c) Electrocution d) explosion 2) The details of a welding procedure which are controlled by the welder or welding operator. a) Welding design b) Welding technique c) Weld puddle d) Work angle 3) How is proper arc length justified? a) Electrode size b) Tensile strength c) Welding joint d) Welding position 4) Which of the choices below determine the diameter of the electrode to be used in SMAW? a) Thickness of the base metal b) Welding position c) Type of joint to be welded d) All of the above 5) The tendency of the arc to short out and freezes the electrode to work. a) Electrode angle b) Travel speed c) Too long arc length d) Too short arc length 6) What causes the weld metal to pile up forming a high, wide weld bead with too much reinforcement that may result in overlap? a) Travel speed too fast b) travel speed too slow c) Too long arc length d) Too short arc length 7) Which of the following is a result of the gas trap and slag, ripples pointed and narrow with irregular penetration and undercut along toes? a) Travel speed too fast b) Travel speed too slow c) Too long arc length d) Too short arc length 8) The distance from the tip of the electrode to the base metal or workpiece. a) Arc length b) Electrode angle c) Travel speed d) Weld puddle 9) Larger diameter electrodes are used on thicker metals and for flat position welding because they offer a) Higher current setting b) Higher deposition rates c) Higher temperature d) Higher tensile strength 10) It is measured in amperes or amps. a) Current b) Electrode c) Resistance d) Voltage 11) What will happen if the amperage is set above the operating range? a) Electrode melts too fast b) Increase deposition rate c) a and b d) puddle becomes too small 12) Which of the following will be the result if the amperage setting is too high? a) Porosity is evident b) Lack of penetration c) Weld bead is smooth d) Weld bead is wide and flat 13) Which of the following will be the result if the amperage setting is set below the designated range? a) Crowned appearance b) Sufficient penetration c) Weld bead is regular d) Weld puddle is too large 14) Which of the following will result if the arc is too long? a) Incomplete penetration b) Spattering c) a and b d) Work piece melt off 15) An angle that is pointing between the electrode and the work surface along the work plane, which runs perpendicular to the axis of the weld. a) Drag angle b) Push angle c) Travel angle d) Work angle

Welding Essentials

さんの投稿です
印刷
埋め込み

リーダーボード

表示スタイル

オプション

テンプレートを切り替える

自動保存: を復元しますか?