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Involves the application of scientific and mathematical principles to innovate solutions for real-world problems in fields such as infrastructure.
Patterns made of wood:
What is the chief ore of tin?
How much pH content of an acid?
What is the emissivity of a black body?
When a pouring gate in a casting blocks off prematurely, it can cause many small, subsurface holes. This condition is called:
The middle portion of a molding flask is called a:
As a metals hardness increases:
What is the generic name of a class of polymer which is commercially known as nylon?
Metal has the property of:
What is the reciprocal of the bulk modulus?
It is usually difficult to machine a smooth surface on a material when:
The principles of kinetic particles are derived from which law?
Discontinuities are:
What is the mixing of gases due to molecular motion called?
A discontinuity can be caused within a casting as it solidifies. It would be called:
In which of the following joining methods will flaws, when they do occur, be essentially two dimensional?
Sense and slope of angles with respect to the reference axes is called _________.
Which term best describes what is sought by NDT?
Heat treat cracks may be caused by:
The essential difference between permanent mold casting and die casting is:
Seams are sub-surface discontinuities
Materials of low ductility are best forged with:
A process in which multiple electrodes are most commonly used in various arrangements to deposit metal more rapidly is:
Polishing is a surface finishing operation which results in:
What type of steel has 0.8% carbon and 100% pearlite?
A steel casting suitable for working or remelting is called:
Name the element that is commonly used in making lasers.
is a scientific field of the civil engineering discipline that studies the mechanical behavior of soil.
A 250V light source has a mean spherical luminous intensity of 87.5 candelas. Compute the luminous intensity of the Lamp.
What is the ratio of stress to strain in a material loaded within its elastic range?
What is the unit of luminous efficiency?
Cracks or fractures formed in a casting prior to completion of solidification because of restricted contracting is indicative of a:
Hot working an ingot may produce a product which has:
Which device is used for measuring the velocity of a bullet?
Arc welding is usually performed using:
In the shielded metal-arc process, the covering material:
When metals solidify:
Project quality management involves all of the following processes except:
What is a non-metallic inclusion called in bar stock?
A burst may be found in a:
In the typical functinal organization hierarchy, the chief engineer is under the _____.
A method commonly used to remove a number of flaws in an ingot prior to forming is:
The Curie point is:
If there are many sellers and few buyers, the market situation is called ___________.
Resistance welding differs from fusion welding in that:
what is the opposite of alkali?
Metals which cannot be work hardened are those which:
How are elements numbered 58 to 71 in the periodic table called?
A burst is _____________ discontinuity.
Which is the type of annuity where payments are made at the end of each period starting from the first period?
Which of these deals with the forces required to produced motion ______________.
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
A P 1,000,000 issue of 3%, 15-year bond was sold at 95%. What is the rate of interest of this investment?
Prior to forging, steel is usually heated to:
_______ is the ratio of the volume of water to the total volume of void space.
A type of defect which propagates along grain boundaries is called:
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 formed when acids react with active metals?
An alloy is a substance composed of:
An advantage of electroslag welding over other methods of welding is that:
Strain hardening occurs whenever a metal is:
Refers to the mass of solids in the soil compared to the mass of water at the same volume.
What is the chief ore of titanium?
The length of time required for recrystallization is:
NDT is used for locating only those discontinuities open to the surface:
Usually, the most serious type of flaw in metals is/are:
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 submerged mass of soil per unit volume.
In spot resistance welding, pressure used may be:
In its original shape, porosity would appear:
What is considered as the general purpose, oldest type and widely used cast iron?
As cold working progresses, the energy required for further processing (assuming the temperature of the part is held constant)
What is the ratio of stress to strain?
Which discontinuity is not normally found in a casting?
A steel cannot qualify for stainless prefix until it has at least how many percent of Chromium?
Quantities which posses both magnitude and direction are called ____________.
When a consultant or specialist gives advice to his superior, he is using what type of authority?
What phenomenon(s) may happen in the heat affected zone during the process of fusion welding?
With a forging hammer the striking force is imposed on the work metal by:
Some members in the truss which cannot carry load
Compute the internal energy of ice at 0oC as it is change to water same temperature
This is the ratio of the volume of voids to the total volume of the soil.
Which of the following discontinuities is not normally associated with a casting?
In the resistance welding process:
Forging laps can occur in which of the following places:
What refers to a shape achieved by allowing a liquid to solidify in a mold?.
By departmentalization of an organization, it decentralizes __________.
What temperature scale is identical to Kelvin scale?
A large molecule with two alternating mers is known as
In which of the following might you expect to find a seam?
What unit expresses the amount of radiation actually absorbed in the tissue?
Hydrogen will cause porosity if present during heat treating or welding.
The work metal for working with a forging hammer is:
Which of the following measurements indicates the smoothest surface finish?
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 pressure at which a substance is capable of supporting without fracturing is called ___________.
A slag inclusion in a weld is normally found in a weld crater.
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:
_____________ is known as the application of fluid mechanics in engineering.
The bottom portion of a molding flask is called a:
Sublimation is direct change from
What is the measure of rigidity?
A weld defect formed as a result of shrinkage is called:
It is the intensity of the force.
The factor which must be considered prior to selecting the hammer or press to produce a closed-die forging is:
All station must promote the FIlipino music by playing ___ OPM every hour.
Under R.A. 9292, the standard on minimum compensation is based on ______.
A material which is considered ferromagnetic is:
Which of the following is identified as a casting insert?
The fuel gas most commonly used in gas welding is:
In Metro Manila, AM radio with airtime from 9 PM to 12 midnight is ____.
Bursts are caused by:
A cause of gas porosity in welds is:
In which of the following casting processes are cores never used?
Efficiency of a machine is the ratio of:
What is a substance that attracts a piece of iron?
What is most abundant metal in nature?
Oxides in weldments can cause discontinuities which are similar to non-metallic inclusions. But these oxide-caused discontinuities are called:
In the submerged arc welding process:
Lack of penetration may be the result of:
Cold working steel or aluminum results in a decrease in:
Premature blocking of a gate during the pouring of a casting might cause:
A common discontinuity in a weld or casting that is difficult to detect by magnetic particle testing is:
Fine lines, likely to occur in groups caused by non-metallic impurities present in the original ingot and extruded lengthwise are called:
An advantage of investment casting over green sand casting is:
Elements may be added to the filler metal to:
It is the attraction between like molecules
Which support has one moment?
The engineering materials are known as "plastics" are more correctly called:
As hot working progresses, the energy required for further processing (assuming the temperature of the part is held constant):
One of the main causes of cold shuts is:
Which of the following properties is controlled by the electrons in the atom?
The acronym EDM refers to:
Who proposed pH scale in 1909?
A burst is a processing defect that may be caused by:
______ shows the process of how fluids react to forces.
When a crack-like space is caused by molten metal covering solidified metal, the result is:
A magnetic material may be demagnetized by:
Grinding cracks are usually caused by:
Heat exchanger tubes are defect prone at regions:
All metals solidify in a ___________ structure.
What do you add to compensate for the remaining high iron-oxide content of the steel?
In which of the following arc welding processes is the electrode non-consumable?
What is the real or imaginary surface that seferates the system from the surroundings?
The internal bores of fastener holes on aircraft are an important source of cracking caused by:
The grain size in a material may be controlled by:
In fusion welding, preheating will result in:
Porosity is sometimes found in plate or sheet metal and is given the name:
The millworking process used most to form metals into 3D shapes is:
Quantities which posses magnitude are called _____________.
3 components or phases of soil
The tension in the cable is the same on both sides of the pulley
How much percent of the mass is comprised by oxygen in the earth's crust?
An extremely thin discontinuity that is the result of pipes, or inclusions flattened and made directional by working is called:
What is the ratio of the elongation to force?
Rapid oxidation of metal surfaces during hot working of a mild steel may;
What field of study encompasses the procurement and production of metals?
Increasing test sample temperature normally:
The principal purpose of risers in molds is to:
33 What is the lowest-temperature diffusion hardening process and does not require a quench?
A disadvantage of dry sand molds when compared to green sand molds is:
When thick and thin casting sections are adjacent to each other, what discontinuity may result?
Which of the following metals is least suitable to be cold worked?
The property of a material to exist under different lattice structures at different temperatures is:
What is the prime time block for FM radio in Metro Manila?
In a mold, the sprue connects:
What remains constant during a steady-flow process?
A definite break in the material caused by excessive working of the metal during the forging, rolling or extruding operation is called a:
A metal forming operation which allows three dimensional control over the shape of the product is:
Which of the following is a discontinuity that might be found in a forging?
Which statement of the second law of thermodynamics states that no heat engine can have a thermal efficiency of 100 percent?
The method of applying mechanics that assumes all objects are continuous is called __________.
The dimensionless parameter describing deformation
What is the force of attraction on a body?
What is the ratio of force to elongation?
A cold shut has:
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?
Cold shuts are most likely found in:
The hardest structure that can be produced by heat treating steel is:
What property of a light wave is determined by its wavelength?
What term represents the share of participation in business organizations?
Non-metallic inclusions are not present before the billet is worked:
Cracks may occur at any stage of manufacturing
What is ASTM test for shear strength is designated for plastics?
If a weld is manufactured and the parent metal is restrained, a crack might occur due to stress. It would usually occur:
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:
Galvanizing is a process of applying to iron and steel products a protective layer of:
A forming operation which results in the greatest dimensional accuracy is:
What is the value of the universal gas constant in kJ/mol •K?
Fatigue cracking is always caused by a single overloading.
In a mold, the runner connects:
What is the change in cost per unit variable change called?
The CPM was developed by Rand and Walker in what year?
As cold working progresses, the energy required for further processing (assuming the temperature of the part is held constant):
The first step in the production of a casting is the making of:
Double taxation is a disadvantage of which business organization?
The electrodes used for spot welding are usually made of:
The use of acids to remove oxides and scale on hot-worked steels is known as
Which of the items listed below is a discontinuity found in ingots?
Who discovered the Hooke's law?
Which is NOT a intensive property of thermodynamics?
A metal stressed below its elastic limit will return to its original shape:
Grinding cracks occur crosswise to grinding wheel rotation
A flaw which can resemble a cold shut is:
Which of the following generally requires the most extensive technique development for NDT?
A metal insert imbedded in the surface of a sand mold to increase the cooling rate at the point is called:
What is ASTM test for tension is designated for standard methods of steel products?
What do you call tin mill steel without a coating?
The overall stress to give failure by fatigue is:
Electroplating sometimes decreases the fatigue strength of highly stressed parts largely as a result of:
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:
Which of these elements deals with the geometry of motion?
The factor which must be considered prior to selecting the best method to produce a closed die forging is:
In forgings, grain:
A weld discontinuity that always occurs at the root of a weld is:
A green sand mold is:
32. When all atom molecule are the same, the substance is called?
It is a pictorial representation in solving a system.
What is the physical apperance of sodium?
Porosity formula:
What type of grain structure would normally be found at the center of a heavy walled casting?
How many dynes in one newton?
The general law of mechanics that stress is directly proportional to strain
The most easily forgeable material, from the following, is:
In the beginning all steel is perfect:
The way of providing metal ductility between two cold working operations is:
A dark narrow line running down the center of the weld is:
A crater crack may occur when:
Non-metallic inclusions are:
A difference between shielded metal-arc welding and gas metal-arc welding is that, in gas metal-arc welding:
Which of the following statements is correct?
Submerged arc welding may be performed:
Which of the following is an inherent discontinuity?
What is defined as the force per unit area?
Like ingots, welds can contain porosity:
Inserts which may be found in sand molds are:
Which of the following can be classified as processing defects:
The top portion of a molding flask is called a:
A non-consumable electrode used for arc welding would be made of:
A cold shut is an inherent defect that may be caused by:
Grain boundaries are areas of a metal microstructure:
A hot tear in a casting is a crack. It could occur:
Grain direction in steel bar stock is always:
Which body in the resent ITU structure took place of CCITT?
Non-metallic impurities trapped within the molten metal of a casting are generally called:
Which of the following methods produces a casting faster and at a lower cost?
What is the action exerted by one body upon another called?
A lamination is something which might be found in:
The strain produced by a hydrostatic pressure is called ____________.
Possible effect(s) of metal forming is (are) to:
What materials have permeabilities slighter greater than that of free space?
A piano string with a length of 1.17m and a mass of 21.0g in under tension of 6.4 x 103 N, what is the fundamental frequency?
The grain size of ferrous metal is commonly refined by:
In which of the following welding processes is filler metal never added?
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:
In a rolling mill, flattening and elongation of metal is accomplished by:
Electoplating complex parts results in:
What do we call fluids at rest?
Amorphous materials include:
Wrought products invariably exhibit:
A forging lap may occur if:
A common characteristic of sand casting and investment casting is:
Machinability and fatigue resistance are improved in metals that have been:
Micro shrinkage might occur in a casting:
Hot tears in a casting may be the result of:
What term is used to describe a polymer that has a rubber like properties?
Blowholes occur beneath the surface of a casting:
Stringers are a type of discontinuity sometimes found in:
Grinding cracks can be caused by:
Galvanized steel are steel product coated with
A forging lap might occur:
NDT is a method of locating which of the following:
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:
The machining process which can produce the best surface finish is:
Which term is used to denote a family of thermosetting polymers that are reaction products of alcohols and acids?
Grinding cracks in metal are always:
A fatigue crack is a service defect that is caused by a:
Laminations are produced:
What refers to the claim of anyone to ownership?
In gas welding, a reducing flame is produced when:
A metal production process which eliminates the need for ingot cropping is:
After solidification, the structure of the outside surface of a casting usually consists of:
Degree of Saturation (%):
Forming a taper, or a reduction of metal products such as rod and tubing, by forging is called:
A dark linear indication appearing at the edge of a weld is probably:
Which of the following is present in ingots?
The term brass is used to designate an alloy containing
______________ refers to the state just before surfaces start to slip.
A riser in the mold is there to:
An EDM notch formed in 304 stainless steel may cause:
Which of the following factors can have a negative influence on some non-destructive tests?
The thermodynamic properties that are independent of the size of the system are called ____________.
A substance that has a fixed chemical composition isknown as _______ substance.
What type of bonding in which electrostatic attraction is predominant?
Cold shuts are most likely to be found in:
Usually, seamless tubing is produced by:
The reason an ingot used as forging stock is subjected to more than the minimum hot working required to develop contour is to:
Which of the following welding processes does not involve melting of the parts to be joined?
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:
Inherent discontinuities are:
A welding defect that occurs at the root and runs parallel with the weld is:
When several forces act in a given situation it is called _______________.
An example of a processing discontinuity that is the result of an inherent discontinuity changing shape during rolling is a:
What type of steel has a carbon as its principal hardening agent?
A casting process involving a re-usable mold is called:
Patterns used to prepare molds for casting are made of:
What is the combination of cutting and scratch test of a material called?
Severe grinding cracks appear as:
What acid id used in glass itching?
e = VvVsfrac{V_v}{V_s}VsVv is a formula for:
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.
Capitalized cost of a project is also known as ______.
A casting process in which the pattern is not re-usable is called:
During on-line (Manufacturing) inspection of components, defective areas are often automatically marked to:
A metal support for holding cores in place within a sand mold is called:
What do you call earth and stone mixed with the iron oxides?
What is another term for "Alkanes"?
The purpose of metal forming is to:
If a weldment has a crater crack, you might find it:
What is another term for Tempering?
Which of these is assumed to be the sum of the linear momentum of its particles?
What refers to the amount of a product made available for sale?
Metal forming such as rolling, results in:
What does the symbol "pH" stands for?
A common processing indication in rolled bar stock is:
What are considered as the building blocks for engineering materials?
What is concurrent force system?
A process during which entropy remains constant is called _____ process.
What is the unit of work?
Bursts usually have the following characteristics:
The term bronze is used to designate any alloy containing
Which of the following is lowest resistance grounding on earth?
The low-temperature reservoir of the heat reservoirs is known as ____.
Better mechanical properties are obtained with:
Non-metallic materials trapped in solid metal are described as:
The material used for making a pattern depends on:
The tort law is concerned with _____.
In the shielded metal-arc process, the electrode covering may include materials used to:
A joining process which occurs without fusion of the base metal is:
In gas welding, the acetylene is usually burned with:
Pressure welding can be accomplished with pressure alone, but what else is usually added?
The following gas is used intensively for shielding in the gas tungsten-arc welding process:
what carboxylic acid is found in coconut oil? Lactic acid
What refers to an actual forve that arises to oppose relative motion between contacting forces?
Results when a body is acted upon by the force are called _______________.
Spot welding is usually performed using:
Heat treating might cause discontinuities which would probably start at:
The folding of a metal in a thin plate on the surface of a forging causes:
Most manufacturing defects in a tube are:
An advantage of shell molding over green sand molding is:
Aircraft turbine blades are usually processed by:
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