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Involves the application of scientific and mathematical principles to innovate solutions for real-world problems in fields such as infrastructure.
What is the chief ore of tin?
A casting process in which the pattern is not re-usable is called:
What acid id used in glass itching?
The submerged mass of soil per unit volume.
Which is NOT a intensive property of thermodynamics?
A metal stressed below its elastic limit will return to its original shape:
______ shows the process of how fluids react to forces.
Which of the following metals is least suitable to be cold worked?
Degree of Saturation (%):
What is considered as the general purpose, oldest type and widely used cast iron?
If there are many sellers and few buyers, the market situation is called ___________.
A casting process involving a re-usable mold is called:
The machining process which can produce the best surface finish is:
What is the unit of work?
As a metals hardness increases:
A lamination is something which might be found in:
In the beginning all steel is perfect:
Which of these is assumed to be the sum of the linear momentum of its particles?
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:
Grinding cracks occur crosswise to grinding wheel rotation
Prior to forging, steel is usually heated to:
When thick and thin casting sections are adjacent to each other, what discontinuity may result?
e = VvVsfrac{V_v}{V_s}VsVv is a formula for:
Which body in the resent ITU structure took place of CCITT?
Which statement of the second law of thermodynamics states that no heat engine can have a thermal efficiency of 100 percent?
All metals solidify in a ___________ structure.
Amorphous materials include:
Materials of low ductility are best forged with:
With a forging hammer the striking force is imposed on the work metal by:
NDT is used for locating only those discontinuities open to the surface:
What type of bonding in which electrostatic attraction is predominant?
The principles of kinetic particles are derived from which law?
The principal purpose of risers in molds is to:
How many dynes in one newton?
The term bronze is used to designate any alloy containing
The following gas is used intensively for shielding in the gas tungsten-arc welding process:
In the submerged arc welding process:
Compute the internal energy of ice at 0oC as it is change to water same temperature
Double taxation is a disadvantage of which business organization?
A disadvantage of dry sand molds when compared to green sand molds is:
Better mechanical properties are obtained with:
Hot working an ingot may produce a product which has:
What does the symbol "pH" stands for?
A burst is a processing defect that may be caused by:
Non-metallic inclusions are:
Blowholes occur beneath the surface of a casting:
Strain hardening occurs whenever a metal is:
The purpose of metal forming is to:
3 components or phases of soil
A hot tear in a casting is a crack. It could occur:
A forging lap may occur if:
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:
What unit expresses the amount of radiation actually absorbed in the tissue?
Heat exchanger tubes are defect prone at regions:
What field of study encompasses the procurement and production of metals?
Grinding cracks are usually caused by:
Galvanized steel are steel product coated with
What is the chief ore of titanium?
After solidification, the structure of the outside surface of a casting usually consists of:
Metal forming such as rolling, results in:
In Metro Manila, AM radio with airtime from 9 PM to 12 midnight is ____.
In which of the following arc welding processes is the electrode non-consumable?
What type of steel has a carbon as its principal hardening agent?
What remains constant during a steady-flow process?
The thermodynamic properties that are independent of the size of the system are called ____________.
It is the intensity of the force.
Which of the following statements is correct?
If a weldment has a crater crack, you might find it:
Which of the following methods produces a casting faster and at a lower cost?
The factor which must be considered prior to selecting the best method to produce a closed die forging is:
A 250V light source has a mean spherical luminous intensity of 87.5 candelas. Compute the luminous intensity of the Lamp.
Which of the following welding processes does not involve melting of the parts to be joined?
Name the element that is commonly used in making lasers.
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.
In a mold, the sprue connects:
In gas welding, the acetylene is usually burned with:
What is the combination of cutting and scratch test of a material called?
Usually, seamless tubing is produced by:
An advantage of shell molding over green sand molding is:
The acronym EDM refers to:
What is the ratio of stress to strain?
Fatigue cracking is always caused by a single overloading.
A dark linear indication appearing at the edge of a weld is probably:
What is the reciprocal of the bulk modulus?
A burst may be found in a:
Arc welding is usually performed using:
The dimensionless parameter describing deformation
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?
is a scientific field of the civil engineering discipline that studies the mechanical behavior of soil.
A discontinuity can be caused within a casting as it solidifies. It would be called:
The way of providing metal ductility between two cold working operations is:
what carboxylic acid is found in coconut oil? Lactic acid
Metal has the property of:
A green sand mold is:
What do we call fluids at rest?
32. When all atom molecule are the same, the substance is called?
A definite break in the material caused by excessive working of the metal during the forging, rolling or extruding operation is called a:
This is the ratio of the volume of voids to the total volume of the soil.
Who discovered the Hooke's law?
A riser in the mold is there to:
Grinding cracks can be caused by:
Which of the following generally requires the most extensive technique development for NDT?
What type of grain structure would normally be found at the center of a heavy walled casting?
The strain produced by a hydrostatic pressure is called ____________.
Sense and slope of angles with respect to the reference axes is called _________.
The material used for making a pattern depends on:
Pressure welding can be accomplished with pressure alone, but what else is usually added?
Project quality management involves all of the following processes except:
Refers to the mass of solids in the soil compared to the mass of water at the same volume.
The bottom portion of a molding flask is called a:
An advantage of investment casting over green sand casting is:
One of the main causes of cold shuts is:
What type of steel has 0.8% carbon and 100% pearlite?
Quantities which posses both magnitude and direction are called ____________.
The electrodes used for spot welding are usually made of:
Laminations are produced:
In the shielded metal-arc process, the covering material:
What temperature scale is identical to Kelvin scale?
A dark narrow line running down the center of the weld is:
Cold shuts are most likely to be found in:
What are considered as the building blocks for engineering materials?
A weld defect formed as a result of shrinkage is called:
Non-metallic materials trapped in solid metal are described as:
As hot working progresses, the energy required for further processing (assuming the temperature of the part is held constant):
What is another term for "Alkanes"?
As cold working progresses, the energy required for further processing (assuming the temperature of the part is held constant):
A method commonly used to remove a number of flaws in an ingot prior to forming is:
It is the attraction between like molecules
Which of the following is present in ingots?
what is the opposite of alkali?
Machinability and fatigue resistance are improved in metals that have been:
33 What is the lowest-temperature diffusion hardening process and does not require a quench?
A cold shut has:
When a crack-like space is caused by molten metal covering solidified metal, the result is:
In the typical functinal organization hierarchy, the chief engineer is under the _____.
In gas welding, a reducing flame is produced when:
The tension in the cable is the same on both sides of the pulley
Which term best describes what is sought by NDT?
What do you call tin mill steel without a coating?
A difference between shielded metal-arc welding and gas metal-arc welding is that, in gas metal-arc welding:
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:
_______ is the ratio of the volume of water to the total volume of void space.
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:
Inherent discontinuities are:
Which device is used for measuring the velocity of a bullet?
What is ASTM test for shear strength is designated for plastics?
When a consultant or specialist gives advice to his superior, he is using what type of authority?
Porosity is sometimes found in plate or sheet metal and is given the name:
Some members in the truss which cannot carry load
What materials have permeabilities slighter greater than that of free space?
A common processing indication in rolled bar stock is:
Most manufacturing defects in a tube are:
A non-consumable electrode used for arc welding would be made of:
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 support has one moment?
The property of a material to exist under different lattice structures at different temperatures is:
The work metal for working with a forging hammer is:
The general law of mechanics that stress is directly proportional to strain
Stringers are a type of discontinuity sometimes found in:
Heat treat cracks may be caused by:
What is the ratio of force to elongation?
What is the real or imaginary surface that seferates the system from the surroundings?
What is the unit of luminous efficiency?
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 is the value of the universal gas constant in kJ/mol •K?
A welding defect that occurs at the root and runs parallel with the weld is:
What term is used to describe a polymer that has a rubber like properties?
Which of the following discontinuities is not normally associated with a casting?
Discontinuities are:
In which of the following casting processes are cores never used?
A substance that has a fixed chemical composition isknown as _______ substance.
The CPM was developed by Rand and Walker in what year?
A common characteristic of sand casting and investment casting is:
In fusion welding, preheating will result in:
The millworking process used most to form metals into 3D shapes is:
Aircraft turbine blades are usually processed by:
A metal support for holding cores in place within a sand mold is called:
The grain size in a material may be controlled by:
Non-metallic impurities trapped within the molten metal of a casting are generally called:
How much pH content of an acid?
Lack of penetration may be the result of:
The method of applying mechanics that assumes all objects are continuous is called __________.
A burst is _____________ discontinuity.
A metal forming operation which allows three dimensional control over the shape of the product is:
In spot resistance welding, pressure used may be:
The tort law is concerned with _____.
What do you call earth and stone mixed with the iron oxides?
What refers to an actual forve that arises to oppose relative motion between contacting forces?
A metal insert imbedded in the surface of a sand mold to increase the cooling rate at the point is called:
The top portion of a molding flask is called a:
In its original shape, porosity would appear:
A process in which multiple electrodes are most commonly used in various arrangements to deposit metal more rapidly is:
The pressure at which a substance is capable of supporting without fracturing is called ___________.
What do you add to compensate for the remaining high iron-oxide content of the steel?
Grain direction in steel bar stock is always:
Electroplating sometimes decreases the fatigue strength of highly stressed parts largely as a result of:
Spot welding is usually performed using:
A crater crack may occur when:
In a rolling mill, flattening and elongation of metal is accomplished by:
The engineering materials are known as "plastics" are more correctly called:
What is the prime time block for FM radio in Metro Manila?
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 most abundant metal in nature?
An alloy is a substance composed of:
A type of defect which propagates along grain boundaries is called:
Cracks or fractures formed in a casting prior to completion of solidification because of restricted contracting is indicative of a:
Polishing is a surface finishing operation which results in:
As cold working progresses, the energy required for further processing (assuming the temperature of the part is held constant)
What is a substance that attracts a piece of iron?
Sublimation is direct change from
What refers to the amount of a product made available for sale?
In the shielded metal-arc process, the electrode covering may include materials used to:
Fine lines, likely to occur in groups caused by non-metallic impurities present in the original ingot and extruded lengthwise are called:
Hot tears in a casting may be the result of:
The hardest structure that can be produced by heat treating steel is:
What phenomenon(s) may happen in the heat affected zone during the process of fusion welding?
Grain boundaries are areas of a metal microstructure:
The first step in the production of a casting is the making of:
The fuel gas most commonly used in gas welding is:
If a weld is manufactured and the parent metal is restrained, a crack might occur due to stress. It would usually occur:
Patterns used to prepare molds for casting are made of:
Which is the type of annuity where payments are made at the end of each period starting from the first period?
A weld discontinuity that always occurs at the root of a weld is:
Oxides in weldments can cause discontinuities which are similar to non-metallic inclusions. But these oxide-caused discontinuities are called:
Which of the following can be classified as processing defects:
Porosity formula:
In forgings, grain:
Which of these elements deals with the geometry of motion?
The factor which must be considered prior to selecting the hammer or press to produce a closed-die forging is:
Possible effect(s) of metal forming is (are) to:
How much percent of the mass is comprised by oxygen in the earth's crust?
Which of the following is a discontinuity that might be found in a forging?
What is defined as the force per unit area?
It is usually difficult to machine a smooth surface on a material when:
Elements may be added to the filler metal to:
What is formed when acids react with active metals?
Which discontinuity is not normally found in a casting?
The internal bores of fastener holes on aircraft are an important source of cracking 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?
Non-metallic inclusions are not present before the billet is worked:
A slag inclusion in a weld is normally found in a weld crater.
A steel casting suitable for working or remelting is called:
A forging lap might occur:
The low-temperature reservoir of the heat reservoirs is known as ____.
A flaw which can resemble a cold shut is:
Efficiency of a machine is the ratio of:
Inserts which may be found in sand molds are:
Seams are sub-surface discontinuities
Wrought products invariably exhibit:
What is another term for Tempering?
Forging laps can occur in which of the following places:
A process during which entropy remains constant is called _____ process.
The most easily forgeable material, from the following, is:
The grain size of ferrous metal is commonly refined by:
What is the ratio of the elongation to force?
Micro shrinkage might occur in a casting:
Which term is used to denote a family of thermosetting polymers that are reaction products of alcohols and acids?
A steel cannot qualify for stainless prefix until it has at least how many percent of Chromium?
What is a non-metallic inclusion called in bar stock?
When several forces act in a given situation it is called _______________.
A fatigue crack is a service defect that is caused by a:
Cold shuts are most likely found in:
The use of acids to remove oxides and scale on hot-worked steels is known as
The term brass is used to designate an alloy containing
The overall stress to give failure by fatigue is:
Premature blocking of a gate during the pouring of a casting might cause:
What term represents the share of participation in business organizations?
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:
What is concurrent force system?
In which of the following might you expect to find a seam?
A large molecule with two alternating mers is known as
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 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:
_____________ is known as the application of fluid mechanics in engineering.
Cold working steel or aluminum results in a decrease in:
Capitalized cost of a project is also known as ______.
What is the emissivity of a black body?
A joining process which occurs without fusion of the base metal is:
A forming operation which results in the greatest dimensional accuracy is:
______________ refers to the state just before surfaces start to slip.
What is ASTM test for tension is designated for standard methods of steel products?
In which of the following welding processes is filler metal never added?
What property of a light wave is determined by its wavelength?
Severe grinding cracks appear as:
It is a pictorial representation in solving a system.
Which of the items listed below is a discontinuity found in ingots?
A cause of gas porosity in welds is:
When metals solidify:
The middle portion of a molding flask is called a:
A metal production process which eliminates the need for ingot cropping is:
During on-line (Manufacturing) inspection of components, defective areas are often automatically marked to:
The length of time required for recrystallization is:
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:
All station must promote the FIlipino music by playing ___ OPM every hour.
Heat treating might cause discontinuities which would probably start at:
What is the change in cost per unit variable change called?
Results when a body is acted upon by the force are called _______________.
In a mold, the runner connects:
In the resistance welding process:
The reason an ingot used as forging stock is subjected to more than the minimum hot working required to develop contour is to:
Submerged arc welding may be performed:
An extremely thin discontinuity that is the result of pipes, or inclusions flattened and made directional by working is called:
The folding of a metal in a thin plate on the surface of a forging causes:
The essential difference between permanent mold casting and die casting is:
What is the force of attraction on a body?
Rapid oxidation of metal surfaces during hot working of a mild steel may;
An advantage of electroslag welding over other methods of welding is that:
What is the measure of rigidity?
Like ingots, welds can contain porosity:
Which of the following factors can have a negative influence on some non-destructive tests?
Under R.A. 9292, the standard on minimum compensation is based on ______.
What is the mixing of gases due to molecular motion called?
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:
Grinding cracks in metal are always:
By departmentalization of an organization, it decentralizes __________.
An EDM notch formed in 304 stainless steel may cause:
What refers to the claim of anyone to ownership?
Increasing test sample temperature normally:
Who proposed pH scale in 1909?
Which of the following is lowest resistance grounding on earth?
An example of a processing discontinuity that is the result of an inherent discontinuity changing shape during rolling is a:
A common discontinuity in a weld or casting that is difficult to detect by magnetic particle testing is:
Forming a taper, or a reduction of metal products such as rod and tubing, by forging is called:
Which of the following is an inherent discontinuity?
The Curie point is:
Metals which cannot be work hardened are those which:
A piano string with a length of 1.17m and a mass of 21.0g in under tension of 6.4 x 103 N, what is the fundamental frequency?
What is the action exerted by one body upon another called?
NDT is a method of locating which of the following:
Which of the following properties is controlled by the electrons in the atom?
What refers to a shape achieved by allowing a liquid to solidify in a mold?.
Electoplating complex parts results in:
What is the ratio of stress to strain in a material loaded within its elastic range?
What is the generic name of a class of polymer which is commercially known as nylon?
A material which is considered ferromagnetic is:
Usually, the most serious type of flaw in metals is/are:
Cracks may occur at any stage of manufacturing
A cold shut is an inherent defect that may be caused by:
Which of the following is identified as a casting insert?
Bursts are caused by:
A magnetic material may be demagnetized by:
What is the physical apperance of sodium?
Resistance welding differs from fusion welding in that:
Hydrogen will cause porosity if present during heat treating or welding.
Patterns made of wood:
Quantities which posses magnitude are called _____________.
Which of these deals with the forces required to produced motion ______________.
Galvanizing is a process of applying to iron and steel products a protective layer of:
Which of the following measurements indicates the smoothest surface finish?
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