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Involves the application of scientific and mathematical principles to innovate solutions for real-world problems in fields such as infrastructure.
Which discontinuity is not normally found in a casting?
When a pouring gate in a casting blocks off prematurely, it can cause many small, subsurface holes. This condition is called:
In the submerged arc welding process:
By departmentalization of an organization, it decentralizes __________.
What is the action exerted by one body upon another called?
The reason an ingot used as forging stock is subjected to more than the minimum hot working required to develop contour is to:
The acronym EDM refers to:
As cold working progresses, the energy required for further processing (assuming the temperature of the part is held constant)
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:
_______ is the ratio of the volume of water to the total volume of void space.
What is formed when acids react with active metals?
Arc welding is usually performed using:
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?
Metal has the property of:
A non-consumable electrode used for arc welding would be made of:
Which of these deals with the forces required to produced motion ______________.
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 items listed below is a discontinuity found in ingots?
Resistance welding differs from fusion welding in that:
What is another term for Tempering?
What is the prime time block for FM radio in Metro Manila?
Degree of Saturation (%):
A slag inclusion in a weld is normally found in a weld crater.
A casting process in which the pattern is not re-usable is called:
Efficiency of a machine is the ratio of:
What is the reciprocal of the bulk modulus?
Discontinuities are:
When thick and thin casting sections are adjacent to each other, what discontinuity may result?
Which of these elements deals with the geometry of motion?
What field of study encompasses the procurement and production of metals?
When several forces act in a given situation it is called _______________.
In its original shape, porosity would appear:
In forgings, grain:
If a weld is manufactured and the parent metal is restrained, a crack might occur due to stress. It would usually occur:
The first step in the production of a casting is the making of:
Which of the following metals is least suitable to be cold worked?
Usually, the most serious type of flaw in metals is/are:
This is the ratio of the volume of voids to the total volume of the soil.
The material used for making a pattern depends on:
The general law of mechanics that stress is directly proportional to strain
Which of these is assumed to be the sum of the linear momentum of its particles?
What is the force of attraction on a body?
The purpose of metal forming is to:
Most manufacturing defects in a tube are:
Micro shrinkage might occur in a casting:
What is the unit of luminous efficiency?
What temperature scale is identical to Kelvin scale?
What is the change in cost per unit variable change called?
What refers to a shape achieved by allowing a liquid to solidify in a mold?.
Heat treat cracks may be caused by:
A discontinuity can be caused within a casting as it solidifies. It would be called:
What do you call tin mill steel without a coating?
Electoplating complex parts results in:
Quantities which posses both magnitude and direction are called ____________.
Forging laps can occur in which of the following places:
How much pH content of an acid?
Heat treating might cause discontinuities which would probably start at:
Porosity formula:
Which body in the resent ITU structure took place of CCITT?
In the resistance welding process:
33 What is the lowest-temperature diffusion hardening process and does not require a quench?
Inserts which may be found in sand molds are:
What is the generic name of a class of polymer which is commercially known as nylon?
Usually, seamless tubing is produced by:
In spot resistance welding, pressure used may be:
A riser in the mold is there to:
Who discovered the Hooke's law?
A weld discontinuity that always occurs at the root of a weld is:
All metals solidify in a ___________ structure.
Possible effect(s) of metal forming is (are) to:
Grinding cracks in metal are always:
Which device is used for measuring the velocity of a bullet?
A joining process which occurs without fusion of the base metal is:
A common processing indication in rolled bar stock is:
A cold shut is an inherent defect that may be caused by:
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:
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.
Lack of penetration may be the result of:
How many dynes in one newton?
A cause of gas porosity in welds is:
The tort law is concerned with _____.
When a crack-like space is caused by molten metal covering solidified metal, the result is:
Capitalized cost of a project is also known as ______.
Grain boundaries are areas of a metal microstructure:
Which of the following methods produces a casting faster and at a lower cost?
Wrought products invariably exhibit:
As a metals hardness increases:
An advantage of shell molding over green sand molding is:
3 components or phases of soil
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 material which is considered ferromagnetic is:
During on-line (Manufacturing) inspection of components, defective areas are often automatically marked to:
A process during which entropy remains constant is called _____ process.
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
Grinding cracks can be caused by:
Sublimation is direct change from
The grain size of ferrous metal is commonly refined by:
A cold shut has:
A weld defect formed as a result of shrinkage is called:
A dark narrow line running down the center of the weld is:
What refers to the claim of anyone to ownership?
_____________ is known as the application of fluid mechanics in engineering.
Spot welding is usually performed using:
A forging lap might occur:
What refers to the amount of a product made available for sale?
Materials of low ductility are best forged with:
Non-metallic inclusions are not present before the billet is worked:
Hydrogen will cause porosity if present during heat treating or welding.
What is most abundant metal in nature?
The way of providing metal ductility between two cold working operations is:
The hardest structure that can be produced by heat treating steel is:
The work metal for working with a forging hammer is:
A fatigue crack is a service defect that is caused by a:
As hot working progresses, the energy required for further processing (assuming the temperature of the part is held constant):
In which of the following joining methods will flaws, when they do occur, be essentially two dimensional?
A magnetic material may be demagnetized by:
Fatigue cracking is always caused by a single overloading.
What remains constant during a steady-flow process?
Galvanizing is a process of applying to iron and steel products a protective layer of:
In the shielded metal-arc process, the electrode covering may include materials used to:
An alloy is a substance composed of:
______________ refers to the state just before surfaces start to slip.
A common characteristic of sand casting and investment casting is:
What unit expresses the amount of radiation actually absorbed in the tissue?
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 electrodes used for spot welding are usually made of:
What type of grain structure would normally be found at the center of a heavy walled casting?
With a forging hammer the striking force is imposed on the work metal by:
What type of bonding in which electrostatic attraction is predominant?
Blowholes occur beneath the surface of a casting:
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 folding of a metal in a thin plate on the surface of a forging causes:
The engineering materials are known as "plastics" are more correctly called:
Heat exchanger tubes are defect prone at regions:
In fusion welding, preheating will result in:
Which of the following discontinuities is not normally associated with a casting?
Some members in the truss which cannot carry load
A welding defect that occurs at the root and runs parallel with the weld is:
In the shielded metal-arc process, the covering material:
What term is used to describe a polymer that has a rubber like properties?
Polishing is a surface finishing operation which results in:
Refers to the mass of solids in the soil compared to the mass of water at the same volume.
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:
What type of steel has a carbon as its principal hardening agent?
Grinding cracks occur crosswise to grinding wheel rotation
A burst may be found in a:
In the beginning all steel is perfect:
Who proposed pH scale in 1909?
The factor which must be considered prior to selecting the hammer or press to produce a closed-die forging is:
Which of the following is present in ingots?
Hot working an ingot may produce a product which has:
What is the ratio of the elongation to force?
If there are many sellers and few buyers, the market situation is called ___________.
Cracks or fractures formed in a casting prior to completion of solidification because of restricted contracting is indicative of a:
A dark linear indication appearing at the edge of a weld is probably:
What materials have permeabilities slighter greater than that of free space?
Submerged arc welding may be performed:
What term represents the share of participation in business organizations?
Which of the following statements is correct?
An advantage of investment casting over green sand casting is:
Non-metallic materials trapped in solid metal are described as:
Forming a taper, or a reduction of metal products such as rod and tubing, by forging is called:
The dimensionless parameter describing deformation
Which is NOT a intensive property of thermodynamics?
Patterns used to prepare molds for casting are made of:
Metal forming such as rolling, results in:
A hot tear in a casting is a crack. It could occur:
An advantage of electroslag welding over other methods of welding is that:
The machining process which can produce the best surface finish is:
Which of the following welding processes does not involve melting of the parts to be joined?
What is the ratio of force to elongation?
The strain produced by a hydrostatic pressure is called ____________.
It is the intensity of the force.
Galvanized steel are steel product coated with
Which term best describes what is sought by NDT?
The grain size in a material may be controlled by:
______ shows the process of how fluids react to forces.
Grain direction in steel bar stock is always:
A casting process involving a re-usable mold is called:
Which of the following is lowest resistance grounding on earth?
Bursts are caused by:
A metal support for holding cores in place within a sand mold is called:
What is the physical apperance of sodium?
The thermodynamic properties that are independent of the size of the system are called ____________.
A large molecule with two alternating mers is known as
The millworking process used most to form metals into 3D shapes is:
what is the opposite of alkali?
NDT is used for locating only those discontinuities open to the surface:
As cold working progresses, the energy required for further processing (assuming the temperature of the part is held constant):
The top portion of a molding flask is called a:
The method of applying mechanics that assumes all objects are continuous is called __________.
The following gas is used intensively for shielding in the gas tungsten-arc welding process:
The Curie point is:
What are considered as the building blocks for engineering materials?
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:
In which of the following casting processes are cores never used?
The property of a material to exist under different lattice structures at different temperatures is:
Rapid oxidation of metal surfaces during hot working of a mild steel may;
One of the main causes of cold shuts is:
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:
Which of the following can be classified as processing defects:
what carboxylic acid is found in coconut oil? Lactic acid
A metal insert imbedded in the surface of a sand mold to increase the cooling rate at the point is called:
Premature blocking of a gate during the pouring of a casting might cause:
The principal purpose of risers in molds is to:
A green sand mold is:
A steel cannot qualify for stainless prefix until it has at least how many percent of Chromium?
All station must promote the FIlipino music by playing ___ OPM every hour.
What is the combination of cutting and scratch test of a material 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?
Compute the internal energy of ice at 0oC as it is change to water same temperature
Which of the following generally requires the most extensive technique development for NDT?
What is the unit of work?
A process in which multiple electrodes are most commonly used in various arrangements to deposit metal more rapidly is:
The tension in the cable is the same on both sides of the pulley
In a mold, the runner connects:
What is the chief ore of titanium?
Inherent discontinuities are:
After solidification, the structure of the outside surface of a casting usually consists of:
The length of time required for recrystallization is:
It is the attraction between like molecules
What is defined as the force per unit area?
Under R.A. 9292, the standard on minimum compensation is based on ______.
In which of the following arc welding processes is the electrode non-consumable?
In gas welding, the acetylene is usually burned with:
32. When all atom molecule are the same, the substance is called?
A difference between shielded metal-arc welding and gas metal-arc welding is that, in gas metal-arc welding:
Electroplating sometimes decreases the fatigue strength of highly stressed parts largely as a result of:
A lamination is something which might be found in:
If a weldment has a crater crack, you might find it:
Which term is used to denote a family of thermosetting polymers that are reaction products of alcohols and acids?
Which of the following measurements indicates the smoothest surface finish?
Hot tears in a casting may be the result of:
Elements may be added to the filler metal to:
What property of a light wave is determined by its wavelength?
The fuel gas most commonly used in gas welding is:
In gas welding, a reducing flame is produced when:
In a mold, the sprue connects:
A flaw which can resemble a cold shut is:
A 250V light source has a mean spherical luminous intensity of 87.5 candelas. Compute the luminous intensity of the Lamp.
The submerged mass of soil per unit volume.
A steel casting suitable for working or remelting is called:
e = VvVsfrac{V_v}{V_s}VsVv is a formula for:
In which of the following might you expect to find a seam?
An extremely thin discontinuity that is the result of pipes, or inclusions flattened and made directional by working is called:
Which of the following is an inherent discontinuity?
A crater crack may occur when:
What is considered as the general purpose, oldest type and widely used cast iron?
Seams are sub-surface discontinuities
Cold shuts are most likely to be found in:
Which of the following is identified as a casting insert?
Project quality management involves all of the following processes except:
Porosity is sometimes found in plate or sheet metal and is given the name:
A definite break in the material caused by excessive working of the metal during the forging, rolling or extruding operation is called a:
When metals solidify:
How much percent of the mass is comprised by oxygen in the earth's crust?
Aircraft turbine blades are usually processed by:
The most easily forgeable material, from the following, is:
What is a non-metallic inclusion called in bar stock?
What is the mixing of gases due to molecular motion called?
A forming operation which results in the greatest dimensional accuracy is:
Patterns made of wood:
is a scientific field of the civil engineering discipline that studies the mechanical behavior of soil.
The term bronze is used to designate any alloy containing
What do we call fluids at rest?
The use of acids to remove oxides and scale on hot-worked steels is known as
What refers to an actual forve that arises to oppose relative motion between contacting forces?
What do you call earth and stone mixed with the iron oxides?
The bottom portion of a molding flask is called a:
Which of the following properties is controlled by the electrons in the atom?
Metals which cannot be work hardened are those which:
Which support has one moment?
Prior to forging, steel is usually heated to:
Which of the following is a discontinuity that might be found in a forging?
The internal bores of fastener holes on aircraft are an important source of cracking caused by:
A burst is _____________ discontinuity.
The middle portion of a molding flask is called a:
A burst is a processing defect that may be caused by:
Better mechanical properties are obtained with:
An example of a processing discontinuity that is the result of an inherent discontinuity changing shape during rolling is a:
The pressure at which a substance is capable of supporting without fracturing is called ___________.
In a rolling mill, flattening and elongation of metal is accomplished by:
What is the emissivity of a black body?
What is concurrent force system?
Laminations are produced:
What is ASTM test for tension is designated for standard methods of steel products?
What is the chief ore of tin?
Bursts usually have the following characteristics:
Grinding cracks are usually caused by:
What is a substance that attracts a piece of iron?
A common discontinuity in a weld or casting that is difficult to detect by magnetic particle testing is:
What is ASTM test for shear strength is designated for plastics?
Non-metallic inclusions are:
Cold working steel or aluminum results in a decrease in:
Fine lines, likely to occur in groups caused by non-metallic impurities present in the original ingot and extruded lengthwise are called:
Cracks may occur at any stage of manufacturing
What does the symbol "pH" stands for?
The low-temperature reservoir of the heat reservoirs is known as ____.
Machinability and fatigue resistance are improved in metals that have been:
The overall stress to give failure by fatigue is:
It is a pictorial representation in solving a system.
Strain hardening occurs whenever a metal is:
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 metal stressed below its elastic limit will return to its original shape:
What phenomenon(s) may happen in the heat affected zone during the process of fusion welding?
Amorphous materials include:
NDT is a method of locating which of the following:
In Metro Manila, AM radio with airtime from 9 PM to 12 midnight is ____.
Pressure welding can be accomplished with pressure alone, but what else is usually added?
A method commonly used to remove a number of flaws in an ingot prior to forming is:
Sense and slope of angles with respect to the reference axes is called _________.
An EDM notch formed in 304 stainless steel may cause:
What is the ratio of stress to strain in a material loaded within its elastic range?
What is the measure of rigidity?
If atomic masses of Al and O are 26.98 amu and 16.00 amu respectively, how many grams of Al are there in 431g of Al2O3?
What is the real or imaginary surface that seferates the system from the surroundings?
A disadvantage of dry sand molds when compared to green sand molds is:
The factor which must be considered prior to selecting the best method to produce a closed die forging is:
The term brass is used to designate an alloy containing
Like ingots, welds can contain porosity:
Severe grinding cracks appear as:
In which of the following welding processes is filler metal never added?
What is the ratio of stress to strain?
A type of defect which propagates along grain boundaries is called:
A forging lap may occur if:
Cold shuts are most likely found in:
What is the value of the universal gas constant in kJ/mol •K?
What acid id used in glass itching?
Results when a body is acted upon by the force are called _______________.
A metal production process which eliminates the need for ingot cropping is:
A metal forming operation which allows three dimensional control over the shape of the product is:
Quantities which posses magnitude are called _____________.
The principles of kinetic particles are derived from which law?
Name the element that is commonly used in making lasers.
It is usually difficult to machine a smooth surface on a material when:
Double taxation is a disadvantage of which business organization?
Stringers are a type of discontinuity sometimes found in:
A substance that has a fixed chemical composition isknown as _______ substance.
When a consultant or specialist gives advice to his superior, he is using what type of authority?
The essential difference between permanent mold casting and die casting is:
How are elements numbered 58 to 71 in the periodic table called?
What type of steel has 0.8% carbon and 100% pearlite?
Increasing test sample temperature normally:
Which is the type of annuity where payments are made at the end of each period starting from the first period?
The CPM was developed by Rand and Walker in what year?
Which statement of the second law of thermodynamics states that no heat engine can have a thermal efficiency of 100 percent?
In the typical functinal organization hierarchy, the chief engineer is under the _____.
What is another term for "Alkanes"?
Which of the following factors can have a negative influence on some non-destructive tests?
Non-metallic impurities trapped within the molten metal of a casting are generally called:
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