A
Welding from the bottom to the top is done to make a:
A. flat weld.
B. tack weld.
C. spot weld.
D. vertical weld.
D. vertical weld.
If Roberto tacks two pieces of sheet metal together on each end and in
the center prior to welding, it will help to:
A. add strength.
B. reduce strength.
C. prevent warping.
D. increase warping
C. prevent warping
The fastener that needs a threaded hole in at least one of the pieces of
metal being joined together is a:
A. machine screw.
B. flat washer.
C. rivet.
D. nail.
A. Machine screw
If the two diagonal measurements from opposite corners of a metal
trailer frame are unequal, the corners are:
A. not square.
B. right angles.
C. plumb.
D. square.
A. not square
What does the metal fabrication abbreviation "AWS" mean?
A. American Weed Science
B. American Welding Society
C. Automatic Welders Services
D. Automotive Weekend Services
B. American Welding Society.
If Aaron changes from welding mild steel to welding aluminum with a MIG
welder, he should first change the gas and the:
A. helmet.
B. position.
C. voltage.
D. wire
D.wire
Janna is brazing two pieces of sheet metal together because:
A. a repair that has been made by brazing will withstand high
temperatures.
B. there is less chance of changing the base-metal characteristics.
C. brazing makes the joint stronger than other types of welding.
D. the bronze filler metal is melted into the base metal.
B. there is less chance of changing the base-metal characteristics
Kay should use the #12 or #14 welding helmet shaded lens
recommended for TIG and MIG welding because they are:
A. darker than the lens used for SMAW.
B. lighter than the lens used for SMAW.
C. the same as recommended for SMAW.
D. the same as the lens used for oxyacetylene welding.
C. the same as recommended for SMAW.
Before removing scraps from the metal chop saw, the operator should:
A. lift the saw blade to the upright position.
B. push objects from the saw while the blade is turning.
C. make sure the machine is off and the blade is stationary.
D. pour water on the scraps to cool them before removing from the saw
C. make sure the machine is off and the blade is stationary.
When one welds with an oxyacetylene unit, high-carbon steel should be
preheated until it is:
A. blue.
B. blue-gray.
C. red.
D. white.
C.red
If a student is making a frame for a 6' × 12' trailer, what two equal
measurements show that the corners are square?
A. the diagonals from opposite corners
B. the width and the length
C. the 12' sides
D. the 6' sides
A. the diagonals from opposite corners
What step in designing should follow checking specifications and
dimensions?
A. drawing
B. sketching
C. purchasing
D. constructing
B. sketching.
The size of the electrode is determined by the:
A. diameter of the largest part of the rod.
B. diameter of the bare end of the rod.
C. color of the dot on the rod.
D. length of the rod.
B. diameter of the bare end of the road.
If Susan welds with a TIG welder, the welded bead will be:
A. covered with slag.
B. free of slag.
C. high and wide.
D. low and wide.
B. free of slag
If Chris makes a corner fillet joint, the two pieces of metal are welded
together:
A. at right angles forming a groove with the 90° angle.
B. standing vertically, end to end or side to side.
C. with one piece flat on top of a second piece.
D. lying flat, end to end or side to side.
A. at right angles forming a groove with the 90° angle.
When tempering a piece of metal, the student should:
A. dip that portion of the metal into water and move the metal with a
circular motion.
B. drop the entire piece of metal into a bucket of cold water for one
minute.
C. bury the metal in the ground overnight.
D. heat the metal with a grinder.
A.
dip that portion of the metal into water and move the metal with a
circular motion.
What type of fastener is used when the most strength is needed?
A. machine bolt
B. carriage bolt
C. stove bolt
D. toggle bolt
A. machine bolt
If James is designing a metal project, his plan must:
A. have colors.
B. include all notes.
C. have dimensions.
D. be done with a CAD.
C. have dimensions.
Which equipment would be unnecessary for someone operating a
portable disc grinder on metal?
A. hearing protection
B. welding helmet
C. safety glasses
D. face shield
B. welding helmet
When Megan files a round piece of metal, she holds the metal with a:
A. C-clamp.
B. pipe vise.
C. bar clamp.
D. machinist vise.
B. pipe vise
If Tommy wants to construct a metal project in the least amount of time,
what method should he use?
A. nailing
B. i don't know do u?
C. bolting
D. gluing
C. bolting
In brazing with the oxyacetylene torch, one should use a/an:
A. oxidizing flame.
B. one-half flame.
C. neutral flame.
D. tall flame.
C. neutral flame.
If a bead welded with an MIG welder is too wide, the width should be
corrected by:
A. decreasing the welding speed.
B. increasing the welding speed.
C. increasing the current.
D. lengthening the arc.
B. increasing welding speed
What is used to keep bolt nuts tight against a metal surface?
A. lock washer
B. linseed oil
C. bolt
D. nut
A. lock washer
In using a plasma cutting torch, which should Charles have in place on
the torch to protect the electrode?
A. kerf
B. shield
C. swirl ring
D. torch valve
B. shield