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