front 1 T/F PPE safety glasses/goggles must have Z87 or Z87+ marked on the frame | back 1 True |
front 2 T/F Any welding lens shade is permissible for all types of welding applications | back 2 False |
front 3 T/F Infrared radiation (IR) cannot be felt | back 3 False |
front 4 T/F Arc blow occurs when a magnetic field is developed while welding and causes the arc to move in an unpredictable manner | back 4 True |
front 5 T/F The primary purpose of a shielding gas being present during the welding process is to protect the molten puddle form atmospheric contamination | back 5 True |
front 6 T/F Changing the length of the arc while welding does not change the heat of the arc | back 6 False |
front 7 T/F With SMAW, the primary reason starting the arc is more difficult than maintaining the arc is because the gas at the arc strike is not fully ionized | back 7 True |
front 8 T/F Using a weave pattern while placing a bead will increase the amount of heat in the weldment | back 8 True |
front 9 Which polarity listed does not cause (magnetic) arc blow? | back 9 AC |
front 10 With SMAW and a given amperage, which polarity will provide the deepest penetration of the bead? | back 10 DCEP |
front 11 Which of the following welding processes does a welder have some choice in the polarity selected for a given electrode? | back 11 GTAW or SMAW |
front 12 Which of the following statements is not a consideration when choosing DCEP or DCEN for a SMAW electrode? | back 12 Base metal shapes (plate, pipe, etc.) |
front 13 T/F An edge joint is formed with two overlapping materials. The edges create fillet weld | back 13 False |
front 14 T/F Reinforcement refers to the depth of the penetration | back 14 False |
front 15 T/F Restricted position means that the welder's positioning when welding pipe is restricted. Areas to be welded are difficult to reach | back 15 True |
front 16 T/F When a weld symbol is both above and under the reference line, it means that welds are to be completed on both sides of the joint | back 16 True |
front 17 T/F An outside corner joint creates the geometry for a groove weld | back 17 False |
front 18 T/F Pipe welding is comprised mostly of fillet welds | back 18 False |
front 19 T/F A square groove weld requires some type of mechanical joint preparation prior to fit-up | back 19 False |
front 20 T/F A lap joint creates the geometry for fillet welds | back 20 True |
front 21 T/F A 3F weld is a fillet weld completed on the horizontal position | back 21 False |
front 22 The edges of a weld are the? | back 22 Toes |
front 23 For welding certification, a flat welding position groove weld is | back 23 1G |
front 24 If a weld symbol is_______ the reference line, then the weld is to be completed on the side that the arrow is pointing to | back 24 Below |
front 25 Which of the following identifies pipe positioned at a 45-degree angle? | back 25 6G |
front 26 Cutting tips are made out of which alloy? | back 26 Copper or chrome plated |
front 27 What could happen if acetylene was used with the wrong tip? | back 27 The tip could overheat and cause backfire |
front 28 What is the most widely used fuel gas used for cutting? | back 28 Acetylene |
front 29 The oxygen cylinder valve should be opened____ | back 29 Slowly until the pressure registers on the cylinder guage, them all the way up to prevent leaks in the top of the valve |
front 30 The center hole on a cutting tip determines | back 30 The thickness of material to be cut |
front 31 T/F The SMAW process only uses AC polarity | back 31 False |
front 32 T/F Alternating current (AC) is the preferred type of current for welding for SMAW | back 32 False |
front 33 T/F A welder inverter is less complex than the other traditional welding power sources | back 33 False |
front 34 T/F The stops and re-starts necessary with SMAW electrodes increases the risk of weld defects | back 34 True |
front 35 T/F Direct current has neither a positive or negative value 120 times per second | back 35 False |
front 36 T/F SMAW has one of the highest operating factors of the arc welding processes | back 36 False |
front 37 The most basic type of welder is an | back 37 Transformer |
front 38 Which of the following is not part of the welding electrical circuit? | back 38 None of the above |
front 39 The transformer inside a welding power source converts high voltage, low amperage electricity to_________ electricity for welding | back 39 Low voltage, high amperage |
front 40 To increase penetration of a bead, you should select which welding polarity? | back 40 DCEP |
front 41 Which polarity is also referred to as reverse polarity? | back 41 DCEP |
front 42 Changes in the welding arc length will also change the following electrical characteristics? | back 42 Voltage |
front 43 T/F Metals are joined using the arc welding process when two pieces of metal are heated to their melting point and additional metal is added to the molten puddle. This molten mass cools and solidifies into one solid piece | back 43 True |
front 44 T/F DCEN polarity is used when welding in the GMAW process | back 44 False |
front 45 T/F The loss of shielding gas when welding outdoors can cause weld failures as a result of porosity, lack of fusion, and other undesirable discontinuities in a weld | back 45 True |
front 46 T/F GMAW exclusively uses inert shielding gas | back 46 False |
front 47 A constant voltage system strives to keep which variables constant? | back 47 Arc length |
front 48 T/F The delivery of gas to the arc is not important to the quality of the finished weld in the FCAW-G welding processes | back 48 False |
front 49 T/F A flow meter regulator is designed to measure cylinder pressure and gas flow | back 49 True |
front 50 T/F The four roll drive system of a wire drive is used primarily for industrial applications | back 50 True |
front 51 T/F A FCAW wire drive component cannot be used for other types of welding wire | back 51 False |
front 52 T/F A basic FCAW power source is a transformer | back 52 True |
front 53 T/F The CTWD is the total of both the wire stick out and the arc length | back 53 True |
front 54 T/F An air cooled welding gun will be limited to operating at lower amperages | back 54 True |
front 55 The gas diffusor functions in the following manner? | back 55 All of the above |
front 56 Which of the following is not true in describing the liner in the welding gun assembly? | back 56 It is a permanent part of the cable assembly |
front 57 What is the technology that senses the consumables are installed properly into the torch? | back 57 Parts-in-place technology |
front 58 What are the two parameters that can be manually adjusted on the PAC machine? | back 58 Amperage and air pressure |
front 59 What two items should not be carried in your pocket when cutting? | back 59 Plastic lighter and matches |
front 60 T/F Self-shielded electrodes are best suited for indoor applications | back 60 False |
front 61 T/F The FCAW self-shielded electrode can be thought of as a STICK welding electrode turned inside out | back 61 True |
front 62 T/F The FCAW process uses a continuous consumable electrode | back 62 True |
front 63 T/F FCAW processes have a much higher deposition rate than SMAW | back 63 True |
front 64 T/F The E70T-X electrode can be used in all-position welding | back 64 False |
front 65 T/F Multi-pass welds can be made with FCAW-G electrodes | back 65 True |
front 66 T/F As a process, FCAW-S is considered to be more portable than the FCAW-G process | back 66 True |
front 67 The primary function of the flux inside a FCAW-S electrode is to | back 67 Protect the weld |
front 68 The main operating difference between FCAW-S and FCAW-G is | back 68 Polarity |
front 69 An E81T-X FCAW electrode will have a minimum of_____ psi tensile strength | back 69 80,000 |
front 70 Calcium is part of the flux with FCAW electrodes for which of the following reasons | back 70 Produce the slag |