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Involves the application of scientific and mathematical principles to innovate solutions for real-world problems in fields such as infrastructure.
Grinding cracks can be caused by:
The principles of kinetic particles are derived from which law?
The top portion of a molding flask is called a:
Aircraft turbine blades are usually processed by:
The pressure at which a substance is capable of supporting without fracturing is called ___________.
A long defect, parallel to the longitudinal axis of a bar and caused by blowholes, cracks or tears introduced in earlier processing and elongated in the direction of rolling or forging is called:
Which of the following welding processes does not involve melting of the parts to be joined?
What do you call earth and stone mixed with the iron oxides?
The electrodes used for spot welding are usually made of:
Non-metallic impurities trapped within the molten metal of a casting are generally called:
What acid id used in glass itching?
Name the element that is commonly used in making lasers.
3 components or phases of soil
A riser in the mold is there to:
Metal forming such as rolling, results in:
The term brass is used to designate an alloy containing
The length of time required for recrystallization is:
Usually, seamless tubing is produced by:
Blowholes occur beneath the surface of a casting:
In gas welding, a reducing flame is produced when:
What is another term for "Alkanes"?
Who proposed pH scale in 1909?
Which of the following can be classified as processing defects:
What is considered as the general purpose, oldest type and widely used cast iron?
In which of the following joining methods will flaws, when they do occur, be essentially two dimensional?
An advantage of shell molding over green sand molding is:
What is the real or imaginary surface that seferates the system from the surroundings?
In spot resistance welding, pressure used may be:
An advantage of electroslag welding over other methods of welding is that:
The factor which must be considered prior to selecting the best method to produce a closed die forging is:
In a mold, the runner connects:
A casting process involving a re-usable mold is called:
The essential difference between permanent mold casting and die casting is:
What is the ratio of the elongation to force?
Metals which cannot be work hardened are those which:
What is the ratio of stress to strain in a material loaded within its elastic range?
The CPM was developed by Rand and Walker in what year?
A steel cannot qualify for stainless prefix until it has at least how many percent of Chromium?
Under R.A. 9292, the standard on minimum compensation is based on ______.
What do you call tin mill steel without a coating?
What is formed when acids react with active metals?
What materials have permeabilities slighter greater than that of free space?
A steel casting suitable for working or remelting is called:
An advantage of investment casting over green sand casting is:
The overall stress to give failure by fatigue is:
A weld discontinuity that always occurs at the root of a weld is:
Which of the following is present in ingots?
The grain size in a material may be controlled by:
Which of the following methods produces a casting faster and at a lower cost?
Fatigue cracking is always caused by a single overloading.
In which of the following casting processes are cores never used?
Cold working steel or aluminum results in a decrease in:
As cold working progresses, the energy required for further processing (assuming the temperature of the part is held constant):
What type of steel has 0.8% carbon and 100% pearlite?
Which of the following measurements indicates the smoothest surface finish?
Heat treat cracks may be caused by:
Which term is used to denote a family of thermosetting polymers that are reaction products of alcohols and acids?
What refers to the claim of anyone to ownership?
What is the action exerted by one body upon another called?
A discontinuity can be caused within a casting as it solidifies. It would be called:
Increasing test sample temperature normally:
Better mechanical properties are obtained with:
A difference between shielded metal-arc welding and gas metal-arc welding is that, in gas metal-arc welding:
An example of a processing discontinuity that is the result of an inherent discontinuity changing shape during rolling is a:
Which of the following generally requires the most extensive technique development for NDT?
A forging lap might occur:
Seams are sub-surface discontinuities
Amorphous materials include:
Premature blocking of a gate during the pouring of a casting might cause:
Metal has the property of:
A method commonly used to remove a number of flaws in an ingot prior to forming is:
Grain direction in steel bar stock is always:
e = VvVsfrac{V_v}{V_s}VsVv is a formula for:
What do you add to compensate for the remaining high iron-oxide content of the steel?
What is the chief ore of titanium?
A common discontinuity in a weld or casting that is difficult to detect by magnetic particle testing is:
Arc welding is usually performed using:
In which of the following welding processes is filler metal never added?
In its original shape, porosity would appear:
What is ASTM test for shear strength is designated for plastics?
A cause of gas porosity in welds is:
In the shielded metal-arc process, the covering material:
When a consultant or specialist gives advice to his superior, he is using what type of authority?
What is the chief ore of tin?
Grinding cracks in metal are always:
It is the attraction between like molecules
The process in which a mold is formed from a mixture of sand and a thermosetting resin binder that is placed against a heated metal pattern is called:
A dark linear indication appearing at the edge of a weld is probably:
Polishing is a surface finishing operation which results in:
Cold shuts are most likely to be found in:
What is another term for Tempering?
In forgings, grain:
As cold working progresses, the energy required for further processing (assuming the temperature of the part is held constant)
The reason an ingot used as forging stock is subjected to more than the minimum hot working required to develop contour is to:
Non-metallic materials trapped in solid metal are described as:
What property of a light wave is determined by its wavelength?
What does the symbol "pH" stands for?
The fuel gas most commonly used in gas welding is:
Patterns made of wood:
How are elements numbered 58 to 71 in the periodic table called?
A definite break in the material caused by excessive working of the metal during the forging, rolling or extruding operation is called a:
What do we call fluids at rest?
Grinding cracks occur crosswise to grinding wheel rotation
A service defect that appears as a series of small micro-openings with no definite pattern and extend in any direction following the grain boundaries is:
NDT is a method of locating which of the following:
Possible effect(s) of metal forming is (are) to:
Which of the following properties is controlled by the electrons in the atom?
The first step in the production of a casting is the making of:
What is the reciprocal of the bulk modulus?
A lamination is something which might be found in:
Results when a body is acted upon by the force are called _______________.
The general law of mechanics that stress is directly proportional to strain
Most manufacturing defects in a tube are:
When a pouring gate in a casting blocks off prematurely, it can cause many small, subsurface holes. This condition is called:
What is concurrent force system?
Which term best describes what is sought by NDT?
Which device is used for measuring the velocity of a bullet?
what is the opposite of alkali?
What is the combination of cutting and scratch test of a material called?
The way of providing metal ductility between two cold working operations is:
A forming operation which results in the greatest dimensional accuracy is:
Which is NOT a intensive property of thermodynamics?
Porosity is sometimes found in plate or sheet metal and is given the name:
If a weldment has a crater crack, you might find it:
The engineering materials are known as "plastics" are more correctly called:
Electroplating sometimes decreases the fatigue strength of highly stressed parts largely as a result of:
A metal forming operation which allows three dimensional control over the shape of the product is:
What term represents the share of participation in business organizations?
Hot working an ingot may produce a product which has:
What is the ratio of stress to strain?
A hot tear in a casting is a crack. It could occur:
A large molecule with two alternating mers is known as
What is a non-metallic inclusion called in bar stock?
Degree of Saturation (%):
Heat treating might cause discontinuities which would probably start at:
Hot tears in a casting may be the result of:
With a forging hammer the striking force is imposed on the work metal by:
In a mold, the sprue connects:
Some members in the truss which cannot carry load
What type of steel has a carbon as its principal hardening agent?
is a scientific field of the civil engineering discipline that studies the mechanical behavior of soil.
In fusion welding, preheating will result in:
A metal production process which eliminates the need for ingot cropping is:
What refers to the amount of a product made available for sale?
Which of the following statements is correct?
Hydrogen will cause porosity if present during heat treating or welding.
A substance that has a fixed chemical composition isknown as _______ substance.
Bursts are caused by:
what carboxylic acid is found in coconut oil? Lactic acid
One of the main causes of cold shuts is:
What type of bonding in which electrostatic attraction is predominant?
What is the ratio of force to elongation?
Forging laps can occur in which of the following places:
A fatigue crack is a service defect that is caused by a:
Strain hardening occurs whenever a metal is:
Like ingots, welds can contain porosity:
Sense and slope of angles with respect to the reference axes is called _________.
The low-temperature reservoir of the heat reservoirs is known as ____.
In gas welding, the acetylene is usually burned with:
Double taxation is a disadvantage of which business organization?
A forging defect caused by the metal being folded over and forced into the surface but not welded to form a single piece is called:
Wrought products invariably exhibit:
A cold shut is an inherent defect that may be caused by:
What type of grain structure would normally be found at the center of a heavy walled casting?
The strain produced by a hydrostatic pressure is called ____________.
What is most abundant metal in nature?
An EDM notch formed in 304 stainless steel may cause:
Quantities which posses magnitude are called _____________.
NDT is used for locating only those discontinuities open to the surface:
The principal purpose of risers in molds is to:
What phenomenon(s) may happen in the heat affected zone during the process of fusion welding?
Severe grinding cracks appear as:
Non-metallic inclusions are not present before the billet is worked:
Which of the following factors can have a negative influence on some non-destructive tests?
A material which is considered ferromagnetic is:
What refers to an actual forve that arises to oppose relative motion between contacting forces?
Refers to the mass of solids in the soil compared to the mass of water at the same volume.
Fine lines, likely to occur in groups caused by non-metallic impurities present in the original ingot and extruded lengthwise are called:
Which of the following is identified as a casting insert?
Heat exchanger tubes are defect prone at regions:
If atomic masses of Al and O are 26.98 amu and 16.00 amu respectively, how many grams of Al are there in 431g of Al2O3?
Inserts which may be found in sand molds are:
Which of the following is an inherent discontinuity?
The folding of a metal in a thin plate on the surface of a forging causes:
Project quality management involves all of the following processes except:
In the resistance welding process:
Spot welding is usually performed using:
A flaw which can resemble a cold shut is:
It is a pictorial representation in solving a system.
It is the intensity of the force.
How many dynes in one newton?
Compute the internal energy of ice at 0oC as it is change to water same temperature
A magnetic material may be demagnetized by:
Rapid oxidation of metal surfaces during hot working of a mild steel may;
The submerged mass of soil per unit volume.
A P 1,000,000 issue of 3%, 15-year bond was sold at 95%. What is the rate of interest of this investment?
Sublimation is direct change from
In the beginning all steel is perfect:
A cold shut has:
The following defect is caused by the melting away of the sidewalls of the welding groove at the edge of a layer of weld metal and runs parallel to the weld bead:
The factor which must be considered prior to selecting the hammer or press to produce a closed-die forging is:
A 250V light source has a mean spherical luminous intensity of 87.5 candelas. Compute the luminous intensity of the Lamp.
Stringers are a type of discontinuity sometimes found in:
Patterns used to prepare molds for casting are made of:
The most easily forgeable material, from the following, is:
During on-line (Manufacturing) inspection of components, defective areas are often automatically marked to:
32. When all atom molecule are the same, the substance is called?
What is defined as the force per unit area?
What is ASTM test for tension is designated for standard methods of steel products?
A common processing indication in rolled bar stock is:
The property of a material to exist under different lattice structures at different temperatures is:
Cold shuts are most likely found in:
The middle portion of a molding flask is called a:
What is the generic name of a class of polymer which is commercially known as nylon?
What field of study encompasses the procurement and production of metals?
What is the measure of rigidity?
Which of the following discontinuities is not normally associated with a casting?
A non-consumable electrode used for arc welding would be made of:
Micro shrinkage might occur in a casting:
Non-metallic inclusions are:
Which body in the resent ITU structure took place of CCITT?
A type of defect which propagates along grain boundaries is called:
The tension in the cable is the same on both sides of the pulley
A process in which multiple electrodes are most commonly used in various arrangements to deposit metal more rapidly is:
Electoplating complex parts results in:
A forging lap may occur if:
Which is the type of annuity where payments are made at the end of each period starting from the first period?
What temperature scale is identical to Kelvin scale?
Pressure welding can be accomplished with pressure alone, but what else is usually added?
A dark narrow line running down the center of the weld is:
Galvanized steel are steel product coated with
Quantities which posses both magnitude and direction are called ____________.
A generally smooth indication on a cast surface resulting from the meeting of two streams of metal coming from different directions and failing to fuse is called:
The process in which a steel is heated above the upper critical temperature into the austenite and then cooled slowly through the transformation range in the furnace or a good heat insulated material is known as:
33 What is the lowest-temperature diffusion hardening process and does not require a quench?
Cracks may occur at any stage of manufacturing
A metal support for holding cores in place within a sand mold is called:
In which of the following arc welding processes is the electrode non-consumable?
An extremely thin discontinuity that is the result of pipes, or inclusions flattened and made directional by working is called:
Porosity formula:
A slag inclusion in a weld is normally found in a weld crater.
The purpose of metal forming is to:
The thermodynamic properties that are independent of the size of the system are called ____________.
If a weld is manufactured and the parent metal is restrained, a crack might occur due to stress. It would usually occur:
A casting process in which the pattern is not re-usable is called:
A metal insert imbedded in the surface of a sand mold to increase the cooling rate at the point is called:
Resistance welding differs from fusion welding in that:
Grinding cracks are usually caused by:
Elements may be added to the filler metal to:
Which support has one moment?
In Metro Manila, AM radio with airtime from 9 PM to 12 midnight is ____.
How much pH content of an acid?
When a crack-like space is caused by molten metal covering solidified metal, the result is:
Oxides in weldments can cause discontinuities which are similar to non-metallic inclusions. But these oxide-caused discontinuities are called:
As hot working progresses, the energy required for further processing (assuming the temperature of the part is held constant):
The material used for making a pattern depends on:
Which of these elements deals with the geometry of motion?
Which of the following is lowest resistance grounding on earth?
Galvanizing is a process of applying to iron and steel products a protective layer of:
What is the mixing of gases due to molecular motion called?
Which statement of the second law of thermodynamics states that no heat engine can have a thermal efficiency of 100 percent?
In which of the following might you expect to find a seam?
When thick and thin casting sections are adjacent to each other, what discontinuity may result?
What is the prime time block for FM radio in Metro Manila?
In the submerged arc welding process:
Which of these is assumed to be the sum of the linear momentum of its particles?
Usually, the most serious type of flaw in metals is/are:
The internal bores of fastener holes on aircraft are an important source of cracking caused by:
A crater crack may occur when:
Cracks or fractures formed in a casting prior to completion of solidification because of restricted contracting is indicative of a:
What is a substance that attracts a piece of iron?
The acronym EDM refers to:
Materials of low ductility are best forged with:
In the shielded metal-arc process, the electrode covering may include materials used to:
It is usually difficult to machine a smooth surface on a material when:
Capitalized cost of a project is also known as ______.
This refers to the soil solids. It is otherwise called as dry unit weight of soil, and calculated using, ρd = MsVTrho_d = frac{M_s}{V_T}ρd = VTMs
As a metals hardness increases:
After solidification, the structure of the outside surface of a casting usually consists of:
Inherent discontinuities are:
A green sand mold is:
Which discontinuity is not normally found in a casting?
The use of acids to remove oxides and scale on hot-worked steels is known as
Prior to forging, steel is usually heated to:
_____________ is known as the application of fluid mechanics in engineering.
A rupture in the material that can be in any direction on the part and is caused by localized stresses that exceed the tensile strength of the material is:
Submerged arc welding may be performed:
A common characteristic of sand casting and investment casting is:
The tort law is concerned with _____.
The work metal for working with a forging hammer is:
Machinability and fatigue resistance are improved in metals that have been:
The millworking process used most to form metals into 3D shapes is:
______________ refers to the state just before surfaces start to slip.
What is the emissivity of a black body?
Bursts usually have the following characteristics:
What is the value of the universal gas constant in kJ/mol •K?
_______ is the ratio of the volume of water to the total volume of void space.
The Curie point is:
Forming a taper, or a reduction of metal products such as rod and tubing, by forging is called:
The following gas is used intensively for shielding in the gas tungsten-arc welding process:
What term is used to describe a polymer that has a rubber like properties?
The dimensionless parameter describing deformation
In the typical functinal organization hierarchy, the chief engineer is under the _____.
If there are many sellers and few buyers, the market situation is called ___________.
Efficiency of a machine is the ratio of:
What is the unit of luminous efficiency?
A large semi-finished hot rolled product, approximately square in cross section, and whose cross-sectional area is usually not less than 36 sq. inches is called:
The machining process which can produce the best surface finish is:
Which of the following is a discontinuity that might be found in a forging?
______ shows the process of how fluids react to forces.
What is the unit of work?
A disadvantage of dry sand molds when compared to green sand molds is:
A piano string with a length of 1.17m and a mass of 21.0g in under tension of 6.4 x 103 N, what is the fundamental frequency?
The method of applying mechanics that assumes all objects are continuous is called __________.
A metal stressed below its elastic limit will return to its original shape:
When several forces act in a given situation it is called _______________.
Which of these deals with the forces required to produced motion ______________.
Level II magnetic particle technicians should always be able to evaluate if an indiction is relevant, false or nonrelevant, and if it is rounded or linear.
The term bronze is used to designate any alloy containing
A joining process which occurs without fusion of the base metal is:
A process during which entropy remains constant is called _____ process.
Laminations are produced:
A welding defect that occurs at the root and runs parallel with the weld is:
By departmentalization of an organization, it decentralizes __________.
When metals solidify:
What refers to a shape achieved by allowing a liquid to solidify in a mold?.
What is the change in cost per unit variable change called?
The hardest structure that can be produced by heat treating steel is:
An alloy is a substance composed of:
How much percent of the mass is comprised by oxygen in the earth's crust?
The bottom portion of a molding flask is called a:
Which of the items listed below is a discontinuity found in ingots?
Lack of penetration may be the result of:
What is the force of attraction on a body?
Grain boundaries are areas of a metal microstructure:
In a rolling mill, flattening and elongation of metal is accomplished by:
A burst may be found in a:
The grain size of ferrous metal is commonly refined by:
What are considered as the building blocks for engineering materials?
What unit expresses the amount of radiation actually absorbed in the tissue?
This is the ratio of the volume of voids to the total volume of the soil.
All station must promote the FIlipino music by playing ___ OPM every hour.
All metals solidify in a ___________ structure.
Discontinuities are:
A burst is _____________ discontinuity.
What remains constant during a steady-flow process?
A weld defect formed as a result of shrinkage is called:
A burst is a processing defect that may be caused by:
Who discovered the Hooke's law?
What is the physical apperance of sodium?
Which of the following metals is least suitable to be cold worked?
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