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