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