#1001  Burns that cause the skin to form blisters only are referred to as:   	2	first-degree burn.   	second-degree burn.   	third-degree burn.   	none of these.   	   	
#1002  Which light wavelengths are most harmful?    	2	visible and infrared   	ultraviolet   	infrared   	visible and ultraviolet   	   	
#1003  What might happen if the gasket is not correctly installed on an arc welding lens assembly?   	2	The lens assembly might fall out.   	A welder's eyes may be subjected to ultraviolet light.   	The lenses will be come dirty more quickly.   	Welding smoke may get into the helmet.   	   	
#1004  Very small cracks in a welding lens can be found by which one of the following procedures?   	3	washing the lens in water   	welding and watching for bright light spots   	twisting the lens between your fingers   	Small cracks are not a problem and need not be found.   	   	
#1005  Fatal electrical shock is possible with voltages as low as:    	4	460.   	220   	110.   	80.   	   	
#1006  Clothing worn in the welding shop should be:    	1	100% wool or 100% cotton.   	100% polyester or 100% nylon.   	25% cotton and 75% rayon.   	35% polyester and 65% rayon.   	   	
#1007  Why should the top button of a welder's shirt always be buttoned?    	1	to prevent throat burns   	so that the welder is neatly dressed   	to reduce the change of the shirt being caught in the equipment  	to keep the shirt from catching on fire   	   	
#1008  The haze in welding shops is caused by:    	3	dust.   	cigarette and pipe smoke.   	decomposed and vaporized fluxes and metals.   	high-speed fans.   	   	
#1009  How far must oxygen cylinders be stored from flammable materials?    	4	5 ft (1.5 m)   	10 ft (3 m)   	16 ft (4.9 m)   	20 ft (6.1 m)   	   	
#1010  A room that is used to store acetylene cylinders must:    	4	be well lit.   	have a solid steel door.   	be large enough for two workers.   	be located away from halls.   	   	
#1011  Where would a person find information about the maximum safe rpm for a grinding stone?   	3	on the grinder   	on a chart   	on the blotter on the stone   	The rpm is not important.   	   	
#1012  The tool rest on a grinder should be kept adjusted to within of the face of the stone.   	2	1/4 in. (6 mm)   	1/16 in. (2 mm)   	3/8 in. (10 mm)   	1/8 in. (3 mm)   	   	
#1013  The first stage of a two-stage regulator reduces the cylinder pressure to approximately:   	3	125 psig (8.7 kg/cm2g).   	175 psig (12.3 kg/cm2g).   	225 psig (17.5 kg/cm2g).   	300 psig (21.0 kg/cm2g).   	   	
#1014  What causes the difference in the pressure shown on the working pressure gauge and the actual pressure at the torch tip?   	4	line drop   	resistance of the gas as it flows through the hose   	There is no difference in pressure.   	both a and b   	   	
#1015  How far from the actual work should regulators be located?    	2	25 ft (7.6 m)   	so that flames or sparks cannot reach the regulators   	10 ft (3 m)   	so that the regulators can be easily reached   	   	
#1016  A notched nut indicates:    	1	left-hand threads.   	that the nut is extra strong.   	right-hand threads.   	that the nut is made of brass.   	   	
#1017  Shortening the arc length during a weld:    	3	increases spatter.   	causes porosity.   	increases the rate of metal transfer.   	reduces penetration.   	   	
#1018  As the welding current increases:    	2	he weld width and buildup increases.   	the weld spatter and width increases.   	the weld penetration and buildup increases.   	the weld width and buildup decreases.   	   	
#1019  An arc welding electrode that is discolored after a weld is completed indicates that the:   	1	amperage was set too high.   	arc length was too short.   	rod angle was too steep.   	metal was too thick.   	   	
#1020  As the welding arc length increases:    	3	spatter increases and penetration increases.   	penetration increases and arc control decreases.   	spatter increases and penetration decreases.   	joint tracking is easier because the welder can see better and the arc length has no effect on weld quality.  	   	
#1021  A leading electrode angle will cause:    	2	deeper penetration.   	a wider weld bead.   	faster travel speed.   	more spatter.   	   	
#1022  As the electrode angle changes from a leading angle to a trailing angle, what happens to the weld?   	1	penetration increases and width decreases   	buildup decreases and width increases   	spatter decreases and penetration increases   	slag removal becomes easier   	   	
#1023  Which weave pattern works well on a vertical lap joint?    	2	square   	"T"   	circular   	figure 8   	   	
#1024  Most square butt joints have a root opening range from:    	3	1/16 in. (2 mm) to 1/8 in. (3 mm).   	1/8 in. (3 mm) to 1/4 in. (6 mm).   	0 in. (0 mm) to 1/8 in. (3 mm).   	1/8 in. (3 mm) to 3/16 in. (4.8 mm).   	   	
#1025  A leading electrode angle will cause:    	2	deeper penetration.   	a wider weld bead.   	faster travel speed.   	more spatter   	   	
#1026  Combination welding and cutting torches are most often used:    	2	to cut thick material.   	by schools and small welding shops.   	by steel mills.   	both a and c   	   	
#1027  When bleeding the pressure from a system, it should be done:    	3	very slowly.   	very quickly.   	by opening only one valve at a time.   	by opening both valves at the same time.   	   	
#1028  If two hoses must be taped together, they should be taped every:    	2	8 in. (203 mm).   	12 in. (305 mm).   	18 in. (457 mm).   	25 in. (610 mm).   	   	
#1029  Oxygen and acetylene hoses must always be color coded in which one of the following ways?   	3	oxygen green, acetylene black or red   	oxygen green or black, acetylene red   	oxygen green, acetylene red   	oxygen green or black, acetylene red or black   	   	
#1030  Why is the pressure bled off a regulator and the adjusting screw backed out?   	1	to prevent the diaphragm from stretching   	to prevent regulator creep   	to reduce the possibility of torch damage   	to stop unauthorized use of the equipment   	   	
#1031  Why are newly assembled hoses purged before they are used for the first time?   	3	to get fresh gas in the lines   	so that the torch lights quickly   	to remove air from the lines   	to remove soot from the tip   	   	
#1032  How should a welding tip be tightened?    	4	with a wrench   	with pliers   	by hand only   	as recommended in the owner's manual   	   	
#1033  Turning the fuel valve off slowly may cause the torch to:    	4	overheat.   	pop.   	make a whistling sound.   	flashback.   	   	
#1034  Oil must never be used on a regulator because it could:    	1	cause a fire or explosion.   	contaminate the gas.   	clog small internal openings.   	both a and b   	   	
#1035  The haze in welding shops is caused by:    	3	dust.   	cigarette and pipe smoke.   	decomposed and vaporized fluxes and metals.   	high-speed fans.   	   	
#1036  How far must oxygen cylinders be stored from flammable materials?    	4	5 ft (1.5 m)   	10 ft (3 m)   	16 ft (4.9 m)   	20 ft (6.1 m)   	   	
#1037  A room that is used to store acetylene cylinders must:    	4	be well lit.   	have a solid steel door.   	be large enough for two workers.   	be located away from halls.   	   	
#1038  What can be used to free an acetylene cylinder that has been frozen to the ground?   	1	warm water   	hot air   	propane torch   	Nothing can be used safely to free acetylene cylinder.   	   	
#1039  How long must an acetylene cylinder that has been lying on its side be set vertically before it is used?   	1	15 minutes   	60 minutes   	10 minutes   	30 minutes   	   	
#1040  When is it necessary in a weld shop to have a fire watch?    	4	when a person is welding outdoors   	if a person cannot see the nearest fire extinguisher   	when sparks are traveling more than 15 ft (4.6 m)   	when welding within 35 ft (10.7 m) of combustible materials   	   	
#1041  What type of fire extinguisher is used on electrical fires?    	3	type A   	type B   	type C   	type D   	   	
#1042  When using a fire extinguisher on a fire, it should be:    	1	pointed at the base of the fire.   	moved up and down to cool the flame.   	pointed at the top of the fire.   	held very close to the flames.   	   	
#1043  At what approximate temperature can an oxygen cut first be started?   	1	1,600 deg. F (870 C)   	2,800 deg. F (1,536 C)   	1,450 deg. F (787 C)   	1,275 deg. F (690 C)   	   	
#1044  What will happen if acetylene is used in a two-piece cutting tip?    	4	The tip may backfire.   	The tip may overheat.   	The tip may explode.   	All of these may occur.   	   	
#1045  Before making a cut with a hand torch, welders should:    	4	steady themselves.   	check to be sure that they have freedom of movement with the torch along the line to be cut.  	practice the cutting movement.   	do all of these.   	   	
#1046  During a cut, how close should the inner flame cone be kept to the surface of the plate?   	1	1/8 in. (3 mm) to 3/8 in. (10 mm)   	1/4 in. (6 mm) to 3/8 in. (10 mm)   	touching the plate to l/8 in. (3 mm)   	1/8 in. (10 mm) to l/2 in. (13 mm)   	   	
#1047  Cutting with a slight angle toward the scrap side of the cut:    	1	places most of the slag on the scrap side.   	helps the cut proceed more quickly.   	keeps the torch from popping.   	reduces the width of the kerf.   	   	
#1048  When cutting dirty plate, a welder needs:    	1	more preheat.   	a short coupling distance.   	more fuel gas pressure.   	a fast travel speed.   	   	
#1049  E.  xcessive cutting oxygen pressures can cause:    	2	the cut to be made faster than normal.   	the cut to have excessive slag left on the back of the cut.   	the plate to be distorted.   	the cut to be smoother than it would be at a normal pressure.   	   	
#1050  Hard slag contains how much unoxidized iron?    	3	20%   	5%   	40%   	10%   	   	
#1051  SMAW can be used on approximately what thickness range of materials?   	2	1/8 in. (3 mm) to 1 in. (25 mm)   	1/16 in. (2 mm) to several feet thick   	1/4 in.(6 mm) to 3 ft (1 m)   	1/8 in. (3 mm) to 1/2 in. (13 mm)   	   	
#1052  Arc blow can be controlled by using:    	3	DCEN.   	DCEP.   	ac.   	a short electrode.   	   	
#1053  A transformer uses what type of power to produce welding current?    	4	ac or dc   	ac, DCEN, or DCEP   	dc only   	ac only   	   	
#1054  Which type of welding power producing equipment is the most energy efficient?   	3	generator type   	alternator type   	invertor type   	rectifier type   	   	
#1055  An alternator produced what form of welding current?    	1	ac only   	ac and dc   	dc only   	dc, but with adjustments in rotating speed, ac can be produced   	   	
#1056  In welding, a series of rectifiers is used for what purpose?    	2	to control output voltage   	to provide dc current from ac current   	to prevent arc blow   	to increase welding speed   	   	
#1057  What is meant by the term "duty cycle".    	3	the purposes for which a machine can be used   	a typical work cycle on a part   	the percentage of time a machine can be used continuously   	the types of welds a machine can perform during a duty cycle   	   	
#1058  A splice can be no closer than to the electrode holder.    	3	5 ft. (1.5 m)   	8 ft. (2.4 m)   	10 ft. (3 m)   	2 ft. (0.6 m)   	   	
#1059  The most widely used numbering and lettering system used to identify filler metals was developed by:   	4	ASME.   	ASTM.   	the national government.   	AWS.   	   	
#1060  General information regarding a filler metal may include:    	4	joint design.   	welding current.   	welding position.   	All of the above are correct.   	   	
#1061  Load in psi required to break a test specimen is known as:    	3	yield point.   	charpy V notch.   	tensile strength.   	Both a and c are correct.   	   	
#1062  Before selecting a shielded metal arc welding electrode, the welder must consider:   	4	type of metal.   	type of joint.   	preheating requirements.   	All of the above are correct.   	   	
#1063  The number 60 in the AWS classification E6011 indicates:    	4	the minimum tensile strength of a good weld made with this electrode.  	the diameter of the electrode.   	that a weld with the strength of 60,000 psi can be made with this electrode.  	Both A and C are correct.   	   	
#1064  A welding electrode, having a 1/8-in. (3-mm) diameter, that can be used in any position is:   	4	E7018.   	E6010.   	E11018.   	All of the above are correct.   	   	
#1065  An electrode with a deep penetrating forceful arc would be:    	1	E6010.   	E6013.   	E7018.   	E6012.   	   	
#1066  The major difference between E6010 and E6011 electrodes is:    	3	E6010 can be used in any position, and E6011 cannot.   	E6011 has less arc stabilizers than does E6010.   	E6011 can be used with both ac and dc welding power, and E6010 cannot.  	Both A and C are correct.   	   	
#1067  The welding electrode that produces welds with little penetration for easier welding on thin sections is:   	3	E6011.   	E7018.   	E6013.   	E11018.   	   	
#1068  Weld design, welding processes, labor, and overhead are part of what factor?   	2	weld strength   	production cost   	welding time   	welding process   	   	
#1069  If a weld's groove angle is decreases slightly,:    	1	less filler metal is required, and costs can be lower.   	a lower amperage setting can be used.   	the root face must be made larger.   	a smaller root gap is needed.   	   	
#1070  Square, bevel, and double-bevel are all:    	2	types of joints.   	edge preparations.   	joint dimensions.   	All of the above are correct.   	   	
#1071  To make a 2G weld the plate will be mounted:    	4	vertically.   	flat.   	overhead.   	horizontally   	   	
#1072  A correctly sized weld should be approximately:    	1	the same size as the metal is thick.   	twice the thickness of the metal.   	equal to 1 1/2 times the joint depth.   	1 l/2 times the electrode size.   	   	
#1073  Welds that are oversized:    	4	add strength to the weldment.   	are better than too undersized welds.   	are less likely to break later.   	can cause the joint to fail.   	   	
#1074  A correctly sized weld will:    	2	make the joint ridged.   	allow enough joint flexibility to prevent cracking.   	keep the joint stiff and inflexible.   	Both A and C are correct.   	   	
#1075  The SMAW process is between         and           deposition efficient.   	4	20% and 45%   	70% and 95%   	65% and 80%   	40% and 60%   	   	
#1076  What type of steel is indicated by the AISI and SAE alloy steel number 40XX?   	4	carbon   	manganese   	nickel   	molybdenum   	   	
#1077  Plain carbon steel is basically an alloy of:    	1	carbon and iron.   	carbon, silicon, sulfur, manganese, and phosphorus.   	carbon, silicon, and manganese.   	carbon, sulfur, and phosphorus.   	   	
#1078  Low-carbon steel contains           or less carbon.    	3	1%   	3%   	0.3%   	0.03%   	   	
#1079  High-carbon steels have a tendency to be         if welded without preheating and postheating.   	4	hard and ductile   	brittle and strong   	ductile and soft   	hard and brittle   	   	
#1080  Weldability includes:    	4	metallurgy of the filler and base metals.   	heat treatments of the weldment.   	joint design.   	All of the above.   	   	
#1081  The abbreviation AISI stands for the American Institute of Steel Inspectors.   	2	True   	False   	   	   	   	
#1082  The meaning of the "1" in the four digit steel number 2140 is:    	2	.1% carbon content.   	one of the digits used to indicate an alloy series.   	approximately .1% of the major alloying element.   	that it can be welded in all positions.   	   	
#1083  Mild steel electrodes that are used to weld high carbon steel loose some of their normal ductility.   	1	True   	False   	   	   	   	
#1084  An injector gas mixing method:    	2	uses less oxygen than the mixing chamber method.   	can operate with low-pressure fuel gases.   	can cut through a thick plate.   	is used only on combination torch sets.   	   	
#1085  An oxyacetylene cutting torch tip may have more than preheating holes.   	4	4   	5   	6   	8   	   	
#1086  Higher preheat flame adjustment is required when:    	4	cutting thick materials.   	cutting round shapes.   	cutting oily metal.   	All of the above.   	   	
#1087  The difference between MPS and propane two-piece tips is that MSP tips are:   	3	made from copper, propane tips are made from high conductivity steel.  	are generally smaller than propane tips.   	not recessed while propane tips are recessed.   	All of the above.   	   	
#1088  A.  tip that is stuck to the cutting head may be removed by striking the back of the torch head with a hammer.   	1	True   	False   	   	   	   	
#1089  Proper seating of the tip in the torch head is determined by stopping the end of the tip with a thumb, turning on the acetylene and sniffing for a leak.  	2	True   	False   	   	   	   	
#1090  The proper procedure for cleaning a cutting tip is to first turn on a small amount of oxygen, then clean the holes in the tip with the proper sized cleaning drills and finally file the end of the tip flat. 	2	True   	False   	   	   	   	
#1091  A slight forward angle of the cutting tip when cutting in a straight line helps to:   	2	steady the hand holding the torch.   	blow oxides away from the cut.   	prevent beveling of the cut.   	A and B   	   	
#1092  The oxy-fuel process can be used to rapidly cut:    	4	magnesium.   	titanium.   	iron.   	All of the above.   	   	
#1093  "Kindling point" is:    	1	the minimum temperature at which a metal will burn.   	the maximum temperature necessary to cut metal.   	the melting point of metal.   	the maximum temperature of the torch flame.   	   	
#1094  Slag on cuts is due to:    	4	too long a coupling distance.   	too fast travel speed.   	too little preheat.   	incorrect oxygen pressure.   	   	
#1095  The two types of slag produced by oxy-fuel cutting are:    	3	light slag and heavy slag.   	dense slag and porous slag.   	hard slag and soft slag.   	oxidized and reoxidized slag.   	   	
#1096  Group F3 electrodes (E6010 and E6011) produce welds that are:    	4	wide and have little penetration.   	highly built up and have little spatter.   	narrow and have deep penetration.   	deeply penetrating and have little slag covering.   	   	
#1097  If the current is set correctly the end of the electrode should be discolored between:   	1	1/16" and 1/8".   	1/8" and 3/16".   	3/16" and 1/4".   	1/4" and 5/16".   	   	
#1098  If an electrode is overheated it will:    	4	produce too much spatter, but have a stable arc.   	produce a wide, high crowned bead.   	produce a deeply penetrating narrow bead.   	produce an unstable arc because some rod elements will be burned out.  	   	
#1099  A welder can prevent a weld from overheating by using a longer arc length.   	2	True   	False   	   	   	   	
#1100  Most SMAW welding jobs require an arc length that is between:    	2	1/16" to 1/8"   	1/8" to 3/8"   	1/8" to 3/16"   	1/4" to 3/8"