CHAPTER 16 Flashcards
Faults in welding may range from faulty metallurgical characteristics to such physical imperfections as all of the following except:
Select one:
A.
Penetration
B.
Porosity
C.
Undercut
D.
Dimensional defects
E.
Slag inclusions
A.
Penetration
A weld made to hold parts together in the correct alignment until the final welds can be made is called a/an:
Select one:
A.
Arc weld
B.
Tack weld
C.
Resistance weld
D.
Gas weld
E.
Spot weld
B.
Tack weld
A joint between two overlapping members is called a/an:
Select one:
A.
Coalescence
B.
Fusion
C.
Lap joint
D.
Double weld
E.
Butt joint
C.
Lap joint
Stresses remaining in a structure, as a result of welding are called:
Select one:
A.
Reaction stress
B.
Procedure qualification
C.
Preheating
D.
Postheating
E.
Residual stress
E.
Residual stress
The item which keeps the weld from oxidizing, cooling too fast and the bead smooth during submerged arc welding is the:
Select one:
A.
Filler metal
B.
Steadiness of the welder’s hand
C.
Flux
D.
Arc temperature
E.
Rod composition
C.
Flux
Adding heat to a welded part immediately after welding to prevent cracking by slowing the cooling rate of the weld and heat-affected zone is called:
Select one:
A.
Machine welding
B.
Manual welding
C.
Preheating
D.
Postheating
E.
Procedure qualification
D.
Postheating
The metal to be added in making a weld is called:
Select one:
A.
Double weld
B.
A pass
C.
Filler metal
D.
Coalescence
E.
Fusion
C.
Filler metal
To qualify a welding procedure, the manufacturer must supply a detailed written description of procedure, listing all of the following information except:
Select one:
A.
Electrode specifications
B.
Method of joint preparation
C.
Type of welding process
D.
Type and thickness of material welded
E.
The identity of the welder
E.
The identity of the welder
Pieces of parent metal welded as per specified procedures and then are used for destructive testing purposes are called:
Select one:
A.
Bare electrodes
B.
Coated Electrodes
C.
Coalescence
D.
Fusion
E.
Coupons
E.
Coupons
A rod with light or heavy covering to protect the molten metal from the atmosphere and to stabilize the arc is called a/an:
Select one:
A.
Bare electrode
B.
Coated Electrode
C.
Base metal
D.
Arc welder
E.
Backing ring
B.
Coated Electrode
The procedure of joining two thin plates at spots by the heat obtained from the resistance to the flow of current through the work parts which are held together under pressure by electrodes is called:
Select one:
A.
Gas welding
B.
Arc welding
C.
Spot welding
D.
Resistance welding
E.
Manual welding
C.
Spot welding
Welding requires good protective clothing including all of the following except:
Select one:
A.
Flameproof gloves
B.
Heavy, dark polyester clothing with no pockets or cuffs
C.
Flameproof apron
D.
Hard hat or skullcap
E.
High-topped safety shoes
B.
Heavy, dark polyester clothing with no pockets or cuffs
If the eyes are not protected while watching the arc from welding, a burn to the eyeballs due to the:
Select one:
A.
Close proximity to the arc
B.
Excessive ultraviolet and infrared radiation
C.
High temperature of the arc
D.
Color of the arc
E.
Heat produced by the procedure
B.
Excessive ultraviolet and infrared radiation
Welding restrained parts which are not free to shrink during cooling after welding creates:
Select one:
A.
Preheating
B.
Residual stress
C.
Postheating
D.
Procedure qualification
E.
Reaction stress
E.
Reaction stress
A weld made from both sides of the joint is called a/an:
Select one:
A.
Coalescence
B.
Pass
C.
Single weld
D.
Double weld
E.
Fusion
D.
Double weld
