Showing posts with label General Engineering and Applied Sciences. Show all posts
Showing posts with label General Engineering and Applied Sciences. Show all posts

Saturday, September 24, 2011

GEAS Terms and Definitions Part 16

1.     The ___________ of pivoted object is that point at which it can be struck without producing a reaction force on it … (pwd…)
ANSWER: Center of Oscillation

2.     The __________ of a system undergoing simple harmonic motion is the time needed for it to make one complete oscillation.
ANSWER: ___________

3.     What type of energy … transmitted by rotary …
ANSWER: Mechanical energy

4.     It is the measure of a material’s rigidity
ANSWER: Shear Modulus

5.     Heat is the energy in transit from one mass to another due to different in temperature


6.     The ratio of thickness and thermal conductivity: Thermal Resistance

7.     The greater the thermal conductivity the faster the heat transfer

8.     Measure of fluid internal resistance Viscosity

9.     What is the international distress frequency for radio telephony?
ANSWER: 2128 KHz

10.   How much is the fine for an unauthorized servicing for mobile telephones?
ANSWER: P5000 per unit

11.   Which of the following is acidic?
ANSWER: Acids have a pH of 0 to 6. The lesser the pH #, the more it is acidic for example, pH1.

12.   The unit for illumination of surface is called
ANSWER: Lumens

13.   Which standard is utilized for intermodulation noise rate of PCM audio channels?
ANSWER: CCITT Rec. G. 172

14.   The policy adopted for improving the provision of local exchange carrier service is embodied in Executive Order No.
ANSWER: 109

15.   The zero gravitational potential energy is
ANSWER: arbitrary

16.   What is the gas produced by the action of sunlight on automobile exhaust?
ANSWER: Ozone

17.   On or many non-metallic surface extensions shall be permitted to run on any directions from an existing outlet but not on the floor or within __________ from the floor
ANSWER: 50 mm

18.   A non-metallic sheathed cable shall have not a bending radius less than __________ times the diameter of the cable.
ANSWER: 5

19.   The RA 9292 is signed by President Gloria Macapagal-Arroyo in what date?
ANSWER: April 17, 2004

20.   What is the  international distress frequency for aeronautical services
ANSWER: 121.5 MHz

21.   In cellular systems, what is the average lead time for installing a new base system?
ANSWER: 6 months to 1 year

22.   Conductors concealed in a knob or tube wiring, there must be a clearance NOT less than ____________ between the conductor and the surface which it passes over.
ANSWER: 26 mm

23.   Boyle’s Law
ANSWER: P1V1=P2V2

24.   In ITU emission designation, the third symbol refers to the type of information to be transmitted. What symbol is used for telephony?
ANSWER: E

25.   Who proposed the modern atomic theory?
ANSWER: Dalton

26.   The frequency band reallocated by NTC for wireless broadband access for fixed, nomadic, and mobile network
ANSWER: 450-470 MHz

27.   Broadcast station logs must be kept for NTC for ____________.
ANSWER: 1 year

28.   Short haul communications refers to communications with a distance not less than
ANSWER: 150 km

29.   A registered electronics engineer must be a member of an accredited professional organization within ________ years after the effectivity of RA 9292.
ANSWER: 3

30.   The maximum term of contract of authority given to cable TV operators
ANSWER: 15 years
31.   In every drawing, there must be a standard title block which contains the project owner, title of the sheet, scale used, name and signature of the PEE. The width of the title block is _________
ANSWER: 40 mm

32.   In hospitals, the general lighting load required shall be __________ VA/m2
ANSWER: 16

33.   CMTS operators is encouraged to improve the grade of service by 1% every 2 years until it reaches ___________
ANSWER: 4%

34.   the best way of preventing the increase of CO concentration in the atmosphere is
ANSWER: to reduce the use of oil and coal

35.   The statement that has a possible solution is a
ANSWER: hypothesis

36.   CMTS operators required by the NTC to improve their drop call rate by 1% every 2 years until the Drop Call Rate is __________.
ANSWER: 2%

37.   the equivalent of 1 Joule is
ANSWER: 107 ergs

38.   What substance is added to the filtrate to kill molds, microorganisms and bacteria?
ANSWER: chlorine

39.   In international AM broadcasting, signal maintain  authorized power output is not less than
ANSWER: 50 kW

40.   What is the Capitalization for MDPD (Mobile Phone Dealer’s Permit)?
ANSWER: P 100,000

Friday, September 23, 2011

GEAS Terms and Definitions Part 15

1.     What are the elements falls under Group IA in the periodic table?
ANSWER: Alkali Metals

2.     What are the elements falls under Group 2A in the periodic table?
ANSWER: Alkaline Earth Metals

3.     What are the elements falls under Group 3A in the periodic table?
ANSWER: Boron Family

4.     What are the elements falls under Group 4A in the periodic table?
ANSWER: Carbon Family

5.     What are the elements falls under Group 5A in the periodic table?
ANSWER: Nitrogen Family

6.     What are the elements falls under Group 6A in the periodic table?
ANSWER: Oxygen Family

7.     What are the elements falls under Group 0 in the periodic table?
ANSWER: Inert/ Noble Gases

8.     Metalloids have a valence of
ANSWER: 4

9.     What is the atomic number of oxygen?
ANSWER: 8

10.   What element that has 3 protons?
ANSWER: Lithium

11.   What element will you combine with alkali metals to form salts?
ANSWER: Chlorine

12.   What is the most common alloying ingredient in copper?
ANSWER: Zinc

13.   What is the most electronegative element?
ANSWER: Fluorine

14.   What is the most abundant metal in the earth’s surface?
ANSWER: Aluminum

15.   What element in which has the lowest boiling point?
ANSWER: Mercury

16.   It is a greenish-yellow halogen gas.
ANSWER: Chlorine

17.   What do you call the bluish-black substance in which, when burned, it will produce purple fumes?
ANSWER: Iodine

18.   What do you call a nuclei that has same number of Atomic number but has different Atomic weight?
ANSWER: Isotopes

19.   When Hydrogen melts in the sun, it is converted to Helium and produces light in the sun
ANSWER: Fusion

20.   When a solid has a crystalline structure, the atoms arranged in repeating structure is called
ANSWER: unit cell

21.   What crystalline structure that has coordination number of 12?
ANSWER: Face-centered cubic

22.   What crystalline structure that has a coordination number of 8?
ANSWER: Body-centered cubic

23.   What crystalline structure that has a packing factor of 0.52?
ANSWER: simple cubic

24.   What crystalline structure that has a packing factor of 0.74
ANSWER: Face-centered cubic

25.   Chromium has a body-centered cubic crystalline structure
ANSWER: Face-centered cubic

26.   It shows each atom and ion with repeating structure in the crystalline
ANSWER: non-Bravais lattice

27.   What do you call the distinct pattern in the space which the atoms of metal arranged themselves when they combine to produce a substance of recognizable size?
ANSWER: Space Lattice

28.   The Lanthanides were once called as _____________.
ANSWER: rare earth

29.   Alkali solutions are also called
ANSWER: Hydroxides

30.   Compounds containing halogen and another element (except oxygen) are called _____________.
ANSWER: Halides

Thursday, September 22, 2011

GEAS Terms and Definitions Part 14

1.     What alkali metals are protected from air, water and other substances?
ANSWER: because alkali metals are the most reactive

2.     What is the third most conductive material?
ANSWER: Gold

3.     What is the least conductive material
ANSWER: nichrome

4.     What is the other name of a negative electron?
ANSWER: Negatron

5.     What is the decay wherein protons and neutrons are decreased by 2 and may result in a stable nucleus?
ANSWER: Alpha Decay

6.     What physical property of a material that refers to the temperature at which ferromagnetic materials can no longer be magnetized by outside forces
ANSWER: Curie point

7.     What is the Curie temperature of iron?
ANSWER: 770 degrees Celsius

8.     Lodestone is a natural magnet.

9.     It is the material used in making permanent magnet
ANSWER: hardened steel

10.   What is the inferred absolute zero temperature of annealed copper?
ANSWER: -234.5 degrees Celsius

11.   Which material that has a permeability slightly greater than 1?
ANSWER: Aluminum

12.   What is the conductivity of a 99.5% pure aluminum?
ANSWER: 63%

13.   What is the conductivity of a pure annealed copper wire?
ANSWER: 102.1%

14.   What is the conductivity of a 99.9% pure gold?
ANSWER: 72.6%

15.   What is the conductivity of a pure annealed silver wire?
ANSWER: 108.8%

16.   What is a reference sheet for element that can be used to form engineering materials?
ANSWER: Periodic Table

17.   What group of metals that are very soft metals?
ANSWER: Alkali metals

18.   All elements in the center gap are __________.
ANSWER: metals

19.   How many elements are found in Period 1 of the Periodic Table?
ANSWER: 2

20.   How many elements are found in Period 2 of the Periodic Table?
ANSWER: 8

21.   How many elements are found in Period 3 of the Periodic Table?
ANSWER: 8

22.   How many elements are found in Period 4 of the Periodic Table?
ANSWER: 18

23.   How many elements are found in Period 5 of the Periodic Table?
ANSWER: 18

24.   The elements found in the center of the periodic table of elements are called __________.
ANSWER: Transition metals

25.   The elements/ groups found in the Left and Right of the periodic table of elements is called __________.
ANSWER: Main Groups

26.   What is the group of elements found in Period 6 of the Periodic Table of elements and is between Lanthanum and Lutetium?
ANSWER: Lanthanides

27.   Why noble gases are called inert gases?
ANSWER: Because they are substances that are not chemically reactive

28.   Most actinides are radioactive. They are also found in the Period 7 of the Periodic Table of Elements.

29.   Halogens react with Groups 1A and 2A.

30.   Halogens fall under what group in the periodic table?
ANSWER: Group 7A/7B

Wednesday, September 21, 2011

GEAS Terms and Definitions Part 13

1.     Magnesium will react with water only if the water is
ANSWER: boiling

2.     How many protons, electrons and neutrons are present in a 14C6 carbon isotope?
ANSWER: 6 protons, 6 electrons, 8 neutrons

3.     How many postulates did Niels Bohr make to support the Bohr’s atomic theory?
ANSWER: 4

4.     “Electron orbits are discrete and non-radiating, and on electron may not remain between these orbits.” This is also known as
ANSWER: First Postulate of Niels Bohr

5.     Who has been accepted as the author of the periodic table which was developed by chemists in the mid-nineteenth century?
ANSWER: Mendeleev

6.     The mass of a proton is approximately how many times greater than the mass of an electron?
ANSWER: 1836

7.     The mass of a neutron is approximately how many times greater than the mass of an electron?
ANSWER: 1839

8.     What refers to a crystal imperfection characterized by regions of severe atomic misfit where atoms are not properly surrounded by neighboring atoms?
ANSWER: Dislocation

9.     What do you call an atom that has lost or gain an electron?
ANSWER: Ion

10.   What is the ion that is smaller than its parent atom?
ANSWER: Cation

11.   What is the ion that is greater than its parent atom?
ANSWER: Anion

12.   How many fundamental substances are present in nature?
ANSWER: 92

13.   The ___________ of an environment serves as a measure of the strength of acids or bases.
ANSWER: pH measurement

14.   The solutions with pH values from 1 to 6 are
ANSWER: acid

15.   The solutions with pH values from 7 to 12 are
ANSWER: base

16.   What is the pH value for a neutral solution?
ANSWER: 7

17.   pH stands for
ANSWER: positive hydrogen ion

18.   What do you call a fluid that conducts electricity?
ANSWER: electrolyte
19.   Oxidation in an electrochemical cell always place at the anode.

20.   Reduction in an electrochemical cell always place at the cathode.

21.   The other name for specific gravity is called as
ANSWER: relative density

22.   The engineering materials known as “plastics” is correctly called as
ANSWER: polymers

23.   Polymer comes from Greek words “poly” which means “many” and “meros” which means ___________.
ANSWER: parts

24.   What do you call an alloy which is practically having a constant resistance at all temperatures?
ANSWER: Eureka

25.   What do you call metals reinforced by ceramics or other materials, usually in fiber form?
ANSWER: Metal Matrix composites

26.   What is a combination of one or more metals with a nonmetallic element?
ANSWER: Ceramic

27.   It is a metal combined with one or more elements
ANSWER: Alloy

28.   ____________ states that there are five needs of an employee: psychological, security, social, esteem and self actualization.
ANSWER: Maslow’s Needs Hierarchy Theory

29.   What are the common training programs designed for managers?
ANSWER: In Basket, Management games, Case studies

30.   What type of training is where the trainee is placed in a situation almost exactly the same as the workplace where machines, materials, time constraints are present with the trainer working full time?
ANSWER: Vestibule School

Tuesday, September 20, 2011

GEAS Terms and Definitions Part 12

1.     “In a confined gas, if the absolute temperature is held constant, the volume is inversely proportional to the absolute pressure.” This is also known as
ANSWER: Boyle’s Law

2.     “At constant pressure, the volume of a sample of gas is directly proportional to the absolute temperature.” This is known as
ANSWER: Charles’ Law

3.     The first law of thermodynamics is also known as
ANSWER: Law of Conservation of Energy

4.     Refers to series discrete electromagnetic wavelengths emitted by the atoms of a low pressure gas that is subjected to a sufficiently high potential difference.
ANSWER: Line Spectrum

5.     The average kinetic energy of gas molecule is proportional to the ___________ of the gas
ANSWER: Absolute temperature

6.     The ___________ of a volume of air is the ratio between the amount of water vapor it contains and the amount that would be present at saturation.
ANSWER: Relative Humidity

7.     ___________ a gas consists of a great, many, tiny individual molecules that do not interact with on another except when collision occurs.
ANSWER: Kinetic Theory of gases

8.     What physical property of a material refers to the amount of weight gain % experienced in a polymer after immersion in water for a specified length of time under a controlled environment?
ANSWER: Water absorption

9.     The phenomenon whereby wavelength photon hitting an atom on the surface of a substance causes an electron to be ejected
ANSWER: Photoelectric effect

10.   What radiation produces electrons with the highest energy?
ANSWER: Gamma Rays

11.   Elastic modulus that exists in liquids
ANSWER: Bulk modulus

12.   “Every body perseveres in its state of being at rest or of moving uniformly straight forward, except insofar as it is compelled to change its state by force impressed.” This is also known as
ANSWER: First Law of Motion
Note: First Law of motion is also called the Law of Inertia. This is often paraphrased as "zero net force implies zero acceleration", but this is an over-simplification.

13.   “The rate of change of momentum of a body is proportional to the resultant force acting on the body and is in the same direction.” This is also known as
ANSWER: Second Law of Motion
Note: Second Law of motion is also called  the Law of Inertia

14.   “All forces occur in pairs, and these two forces are equal in magnitude and opposite in direction.” This is also known as
ANSWER: Third Law of Motion
Note: This law of motion is commonly paraphrased as: "To every action force there is an equal, but opposite, reaction force".

15.   What physical property of a material that refers to the temperature at which a material liquefies on heating or solidifies on cooling?
ANSWER:  Melting point

16.   The period of the pendulum depends on which of the following?
ANSWER: Length

17.   Is a device used to increase the pressure by slowing down the liquid?
ANSWER: Diffuser

18.   The SI unit of Impulse is
ANSWER:  N-s

19.   What substance that has a melting point of 280 C and is liquid at warm temperatures?
ANSWER: Cesium

20.   A common alloy is 80% nickel and 20% chromium, It has high electrical resistance.
ANSWER:  Nichrome

21.   copper-nickel alloy usually consisting of 60% Copper and 40% Nickel. Commonly used as thermocouple.
ANSWER: Constantan

22.   Used as thermostat. It has low or zero temperature coefficients. 
ANSWER: Invar

23.   The definite discrete amount of energy required to move an electron from a lower shell to a higher shell. 
ANSWER:  Quanta

24.   Other name for retentivity
ANSWER: Remanence

25.   What is the minimum carrier power of the standard AM broadcast where effective and direct supervision of an Electronics Engineer is required?
ANSWER: 1KW

   26.   … of the atom.
ANSWER: electrons do not have a localized orbit, but are spatially like cloud

27.   Broken down … simpler substance?
ANSWER: Element

28.   … of top management?
ANSWER: External environment

29.   What refers to the process of determining the contributions that subunits con make with allocated resources?
ANSWER: Immediate planning? Or Intermediate Planning?

30.   …. ratio of stress to ____________ for materials operation in the nonlinear region in the stress-strain diagram?
ANSWER: Secant Modulus

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