The factor which must be considered prior to selecting the best method...
The material used for making a pattern depends on:
The factor which must be considered prior to selecting the hammer or...
The material used for making a pattern depends on:
Cracks may occur at any stage of manufacturing
Like ingots, welds can contain porosity:
In the beginning all steel is perfect:
NDT is used for locating only those discontinuities open to the...
NDT is a method of locating which of the following:
Which of the following factors can have a negative influence on some...
Elements may be added to the filler metal to:
Possible effect(s) of metal forming is (are) to:
Elements may be added to the filler metal to:
Level II magnetic particle technicians should always be able to...
Fatigue cracking is always caused by a single overloading.
Spot welding is usually performed using:
What phenomenon(s) may happen in the heat affected zone during the...
Usually, the most serious type of flaw in metals is/are:
Usually, the most serious type of flaw in metals is/are:
The purpose of metal forming is to:
Non-metallic impurities trapped within the molten metal of a casting...
Better mechanical properties are obtained with:
Galvanizing is a process of applying to iron and steel products a...
A green sand mold is:
Which of the following properties is controlled by the electrons in...
All metals solidify in a ___________ structure.
Non-metallic materials trapped in solid metal are described as:
In its original shape, porosity would appear:
Grinding cracks can be caused by:
Heat treating might cause discontinuities which would probably start...
A hot tear in a casting is a crack. It could occur:
The following gas is used intensively for shielding in the gas...
In spot resistance welding, pressure used may be:
A non-consumable electrode used for arc welding would be made of:
A forging defect caused by the metal being folded over and forced into...
The grain size in a material may be controlled by:
The top portion of a molding flask is called a:
In the Prayer of Hannah (1 Samuel 2:1-10), what is the primary theme...
The reason an ingot used as forging stock is subjected to more than...
Non-metallic inclusions are:
In the shielded metal-arc process, the covering material:
An alloy is a substance composed of:
A cause of gas porosity in welds is:
Pressure welding can be accomplished with pressure alone, but what...
Patterns used to prepare molds for casting are made of:
A cause of gas porosity in welds is:
The fuel gas most commonly used in gas welding is:
Cold shuts are most likely to be found in:
Which term best describes what is sought by NDT?
Cold shuts are most likely to be found in:
When metals solidify:
The folding of a metal in a thin plate on the surface of a forging...
A welding defect that occurs at the root and runs parallel with the...
Cold shuts are most likely found in:
In gas welding, the acetylene is usually burned with:
Patterns made of wood:
Heat exchanger tubes are defect prone at regions:
Hot working an ingot may produce a product which has:
In which of the following arc welding processes is the electrode...
The bottom portion of a molding flask is called a:
A metal insert imbedded in the surface of a sand mold to increase the...
A metal support for holding cores in place within a sand mold is...
Which of the following welding processes does not involve melting of...
Non-metallic inclusions are not present before the billet is worked:
Oxides in weldments can cause discontinuities which are similar to...
A weld discontinuity that always occurs at the root of a weld is:
The first step in the production of a casting is the making of:
Grain direction in steel bar stock is always:
Which of the following is identified as a casting insert?
The essential difference between permanent mold casting and die...
When thick and thin casting sections are adjacent to each other, what...
Premature blocking of a gate during the pouring of a casting might...
Micro shrinkage might occur in a casting:
Usually, seamless tubing is produced by:
During on-line (Manufacturing) inspection of components, defective...
Heat treat cracks may be caused by:
When a pouring gate in a casting blocks off prematurely, it can cause...
In the submerged arc welding process:
Most manufacturing defects in a tube are:
A metal stressed below its elastic limit will return to its original...
In the resistance welding process:
Inserts which may be found in sand molds are:
A joining process which occurs without fusion of the base metal is:
The following defect is caused by the melting away of the sidewalls of...
Grinding cracks are usually caused by:
Forging laps can occur in which of the following places:
An advantage of investment casting over green sand casting is:
In gas welding, a reducing flame is produced when:
The Curie point is:
A cold shut has:
A forging lap may occur if:
In a rolling mill, flattening and elongation of metal is accomplished...
In which of the following joining methods will flaws, when they do...
The middle portion of a molding flask is called a:
The work metal for working with a forging hammer is:
A material which is considered ferromagnetic is:
Aircraft turbine blades are usually processed by:
With a forging hammer the striking force is imposed on the work metal...
The hardest structure that can be produced by heat treating steel is:
The property of a material to exist under different lattice structures...
A difference between shielded metal-arc welding and gas metal-arc...
A burst is a processing defect that may be caused by:
A type of defect which propagates along grain boundaries is called:
In gas welding, a reducing flame is produced when:
Fine lines, likely to occur in groups caused by non-metallic...
Metals which cannot be work hardened are those which:
Which discontinuity is not normally found in a casting?
A forming operation which results in the greatest dimensional accuracy...
Materials of low ductility are best forged with:
A fatigue crack is a service defect that is caused by a:
Fine lines, likely to occur in groups caused by non-metallic...
As cold working progresses, the energy required for further processing...
Amorphous materials include:
A method commonly used to remove a number of flaws in an ingot prior...
The millworking process used most to form metals into 3D shapes is:
Seams are sub-surface discontinuities
Resistance welding differs from fusion welding in that:
The process in which a steel is heated above the upper critical...
The principal purpose of risers in molds is to:
A casting process in which the pattern is not re-usable is called:
A rupture in the material that can be in any direction on the part and...
A service defect that appears as a series of small micro-openings with...
Lack of penetration may be the result of:
In forgings, grain:
Grinding cracks occur crosswise to grinding wheel rotation
Which of the items listed below is a discontinuity found in ingots?
A burst is _____________ discontinuity.
A generally smooth indication on a cast surface resulting from the...
A metal production process which eliminates the need for ingot...
Bursts are caused by:
One of the main causes of cold shuts is:
Laminations are produced:
One of the main causes of cold shuts is:
Discontinuities are:
A metal forming operation which allows three dimensional control over...
As cold working progresses, the energy required for further processing...
Submerged arc welding may be performed:
The machining process which can produce the best surface finish is:
A dark narrow line running down the center of the weld is:
A steel casting suitable for working or remelting is called:
Which of the following is present in ingots?
The most easily forgeable material, from the following, is:
A common processing indication in rolled bar stock is:
Bursts usually have the following characteristics:
A service defect that appears as a series of small micro-openings with...
In which of the following welding processes is filler metal never...
The acronym EDM refers to:
A dark linear indication appearing at the edge of a weld is probably:
A riser in the mold is there to:
A riser in the mold is there to:
Severe grinding cracks appear as:
A magnetic material may be demagnetized by:
The electrodes used for spot welding are usually made of:
An example of a processing discontinuity that is the result of an...
A burst may be found in a:
Laminations are produced:
Arc welding is usually performed using:
A casting process involving a re-usable mold is called:
Metal has the property of:
A process in which multiple electrodes are most commonly used in...
Inherent discontinuities are:
A crater crack may occur when:
Grinding cracks in metal are always:
An advantage of electroslag welding over other methods of welding is...
Which of the following measurements indicates the smoothest surface...
A cold shut is an inherent defect that may be caused by:
If a weldment has a crater crack, you might find it:
What is a non-metallic inclusion called in bar stock?
A discontinuity can be caused within a casting as it solidifies. ...
Machinability and fatigue resistance are improved in metals that have...
Stringers are a type of discontinuity sometimes found in:
A slag inclusion in a weld is normally found in a weld crater.
Which of the following discontinuities is not normally associated with...
A lamination is something which might be found in:
Electoplating complex parts results in:
Forming a taper, or a reduction of metal products such as rod and...
A definite break in the material caused by excessive working of the...
Cold working steel or aluminum results in a decrease in:
A disadvantage of dry sand molds when compared to green sand molds is:
Blowholes occur beneath the surface of a casting:
Polishing is a surface finishing operation which results in:
In fusion welding, preheating will result in:
Wrought products invariably exhibit:
Which of the following statements is correct?
Prior to forging, steel is usually heated to:
Increasing test sample temperature normally:
The overall stress to give failure by fatigue is:
A flaw which can resemble a cold shut is:
A common discontinuity in a weld or casting that is difficult to...
After solidification, the structure of the outside surface of a...
The process in which a mold is formed from a mixture of sand and a...
A common characteristic of sand casting and investment casting is:
An extremely thin discontinuity that is the result of pipes, or...
If a weld is manufactured and the parent metal is restrained, a crack...
In which of the following casting processes are cores never used?
A large semi-finished hot rolled product, approximately square in...
Which of the following statements is correct?
Which of the following metals is least suitable to be cold worked?
Which of the following methods produces a casting faster and at a...
Which of the following can be classified as processing defects: