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