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