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