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