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