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  • 問題数 100 • 8/22/2023

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    問題一覧

  • 1

    What should be the resistivity in microohm- cn of a resistor material?

    50-150

  • 2

    Which of the following is not a reaction type turbine?

    Pelton Wheel Turbine

  • 3

    What is common alloying element in copper?

    Zinc

  • 4

    A software that is commonly known as firmware

    BIOS

  • 5

    Vinegar is solution of H20 and what acid?

    Acetic Acid

  • 6

    In computing, what is a tape drive?

    OCR device

  • 7

    What do you call the kind of wire used to bind the service drop to the service point?

    Tie Wire

  • 8

    What percent of human body is carbon?

    18%

  • 9

    Which is light metal?

    Potassium

  • 10

    The change that the system undergoes from one equilibrium state to another is known as

    Process

  • 11

    When magma rocks cool these rocks are called

    Igneous rock

  • 12

    The rate of radiation does not depend on which of the following?

    The thickness of radiating body

  • 13

    A particle is moving with its accelaration parallel to velocity. What is the direction of the particle?

    Linear

  • 14

    The differential of the shear equation is which of the following?

    Load on the beam

  • 15

    It is defined as a series of equal payments occuring at equal interval of time

    Annuity Certain

  • 16

    Most common pressure measuring device use todat

    Bourdon tube gauge

  • 17

    Galvanized iron is a term referring to iron coated with:

    Zinc

  • 18

    Change in enthalpy is occurs at a constant

    Pressure

  • 19

    What structure do both aldehydes and ketones contain?

    The carbonyl groups

  • 20

    What do you add to compensate for the remaining high iron oxide content of the steel?

    deoxidizers

  • 21

    Funds applied and used by owners of an enterprise in the expectation that a profit will be earned.

    Equity Capital

  • 22

    What is the chief ore of tin?

    Cassiterite

  • 23

    The effect of silicon in cast iron is to

    softens iron and increases ductility below 3.25%, hardens iron above 3.25% and increase acid and corrosion resistance above 13%

  • 24

    Which of the following correctly describes atoms located at grain boundaries?

    all of the above is correct

  • 25

    At steam point, the temperature of water and its vapor at standard pressure are:

    in equilibrium

  • 26

    The Shannon-Hartley law

    describes signalling rates

  • 27

    It is the internal resisting moment of a beam. It is opposite in the sense to the bending moment but of the same magnitude.

    Moment of resistance

  • 28

    Rigid metal conduit shall be firmly fastened within what distance from each outlet box

    900 mm

  • 29

    For which type of process is the equation dQ=Tds valid

    reversible

  • 30

    What is the assigned name for element number 118

    oganesson

  • 31

    The amount electricity a battery can produced is controlled by the

    plate surface area

  • 32

    A diagram which shows the variations of the axial load for all sections of the span of a beam, is called

    Thrust Diagram

  • 33

    The iron that has been cooled quickly from a molten state is known as

    White cast iron

  • 34

    Which of the following data communications functions is generally provided for in a LAN?

    Data link control

  • 35

    What refers to the present worth of all the amounts the bondholder will receive through his possession of the bond?

    value of the bond

  • 36

    The ______ shall be the executive officer of the board

    Commisioner

  • 37

    What is the distance between two consecutive points in phase on wave called?

    wavelenght

  • 38

    Service entrance cable shall be supported by straps or other approved means within_____ of every service head, gooseneck or connection to a raceway.

    300 mm

  • 39

    Ergonomics

    Involves the interface between people and machines, such as terminals

  • 40

    What is the form of the moment diagram of a beam supported at both ends and carrying a uniformly distributed load?

    Parabola

  • 41

    Which of the following ratio of forces represents a physical interpretation of the Reynold's number?

    inertial/ viscous

  • 42

    Where buildings exceed three stories of 15 m in height, overhead I be shall be arranged, so that a clear space at least _____ wide will be left to facilitate the raising of ladders when necessary for fire fighting.

    1800 mm

  • 43

    What is the system programs used to translate directly an assembly language to machine language called

    Assembler

  • 44

    The purpose of a preamble in an ethernet is

    Clock synchronization

  • 45

    The moody diagram is used in fluid mechanics to obtain:

    friction factor

  • 46

    The cycle generally used for gas turbines is

    Brayton cycle

  • 47

    In throttling process

    All of these

  • 48

    When a body is subjected to three mutual and perpendicular stresses, of equal intensity, the ratio of direct stress to the corresponding volumetric strain is known as

    Bulk modulus

  • 49

    The inplementing Rules and Regulationd (IRR) of RA 7920 was approved under Board Resolution No. ___ series of 1995.

    18

  • 50

    Codes are always

    Agreed upon in advance between sender and receiver

  • 51

    Which of the following describes shear stress in Newtonian Fluid?

    It is proportional to the velocity gradient at a point of interest

  • 52

    What material is used for electroluminescent diodes which can emit either green or red light?

    Gallium Phosphide

  • 53

    Of the following, which is the only acceptable FORTRAN statements?

    READ (5,99)(TOTAL (N), N=1,20)

  • 54

    Article III, Rule 7:

    Assigment of duties

  • 55

    What is the process of heating a hardened steel to any temperature below the lower critical temperature, followed by any desired rate of cooling?

    Tempering

  • 56

    What is the storage capacity of 3 1/2 floppy disk?

    1.44 MB

  • 57

    What refers to a metal combined with one or more other elements?

    Alloy

  • 58

    For a completely corrosion-resistant stainiess steel, what minimum percentage of chromium in the alloy is required?

    1.1 %

  • 59

    Which of the following conductivities where Sutherland equation is used?

    Thermal conductivies of gases

  • 60

    Processors with more than two registers for arithmetic and logical operations are classified as:

    General register processors

  • 61

    In SYD method of computing depreciation, what is the formula in computing the sum-of-years digit with n as the number of useful years of the equipment?

    n(n+1)/2

  • 62

    Which of the following provides the basis of radiation heat transfer?

    Stefan- Boltzmann law

  • 63

    What are used for temporary stoarafe of instructions of data?

    Registers

  • 64

    Which computer slot provides a high speed data pathway that is primarily used for graphics cards?

    AGP

  • 65

    The CPM was developed by Rand and Walker in what year?

    1957

  • 66

    Max Planck made the revolutionary discovery that the energy of vibrating molecules involved in blackbody radiation existed only in which of the following?

    Multiples of certain fixed amounts

  • 67

    The chrome-vanadium steels contain how many percent of vanadium?

    0.15 to 0.30

  • 68

    In what year was PERT developed?

    1958

  • 69

    What ASTM test for tension is designated for plastics?

    D638

  • 70

    Which of the following groups in the periodic table the most strongly electronegative elements?

    Group VIIA

  • 71

    Yellow brass contains approximately how many percent of zinc?

    30 %

  • 72

    Which of the following values characterize the state of the system?

    Property

  • 73

    The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s).

    Branch Circuit

  • 74

    A conducting connection, whether intentional or accidental, between an electrical circuit or equipment and the earth, or to some conducting body that serves in place of the earth.

    Ground

  • 75

    Which of these elements has the highest atomic number?

    Plutonium

  • 76

    The condition of equilibrium or motion of a rigid body remains unchanged if a force acting at a given point of the rigid body is replaced by a force of same magnitude and direction, but acting at a different point provided that the two forces have the same line of action. This statement is known as

    Principle of transmissibility

  • 77

    The property of a material which allows it to be drawn into smaller section is called

    Ductility

  • 78

    Which of the following is an instruction that causes data to be brought from memory into an accumulator register?

    LOAD

  • 79

    May is declared as the electrical safety month in virtue of____signed by Pres. Benigno Aquino III last June 27, 2011 for the reason of informing the public A. RA 7920

    Proclamation No. 193

  • 80

    What is the amount of heat needed to turn 1 kg of the substance as its melting point from the solid to the liquid state?

    Heat of Fusion

  • 81

    The purpose of copper in steel alloying is to increase

    atmospheric corrosion resistance

  • 82

    What impurity in steel can cause “red shortness” which means the steel becomes unworkable at high temperature?

    Sulfur

  • 83

    Aluminum can be added to the steel to produce

    Killed Steel

  • 84

    What system in which there is no exchange of matter with the surrounding or mass does not cross its boundaries?

    Closed System

  • 85

    Which of the following is not a function of computer?

    Understanding

  • 86

    Impulse type turbine named after his creator

    Pelton

  • 87

    Reversed Joule cycle is also known as

    Bell- Coleman Cycle

  • 88

    An empty glass was initially place with a cube of ice. A water was filled into a glass such that the ice at the tip of the glass. What will happen after the ice melts?

    Nothing Spilled

  • 89

    The element that is practically insoluble in solid copper known as

    Lead

  • 90

    Which is not a programming language?

    LOTUS

  • 91

    What is the form of the moment diagram of a beam supported of both ends without external load?

    Linear

  • 92

    A branch of hydraulics which deals with the study of pure motion in liquids.

    Hydrodynamics

  • 93

    The study of mechanics of fluids which deals with velocities and streamlines without considering forces or energy

    Kinematics

  • 94

    Fastest internet connection for home users nowadays.

    FTTH

  • 95

    An inventor clams to extract 100 kJ of energy from 30°C sea water and generate 7 kJ of heat while rejecting 93 kJ to a 10°C stratum. The scheme fails because:

    It violates the second law

  • 96

    In cold working of metals

    strength and hardness of steel is increased

  • 97

    Which of the following is an example of an integrity violation of e-commerce security?

    An unauthorized person intercepts an online communication and changes its content

  • 98

    What is the chemical formula of Sulfuric acid?

    H2SO4

  • 99

    XYZ Corporation is applying for a short term loan. In reviewing XYZ Corporation’s financial records, bank ABC finds a current ratio of 2.0, an acid test ratio of 0.5, and an account receivable period of 70 days. What should the banker do? I. suggest that XYZ Corporation lower its inventories II. suggest that XYZ Corporation be more aggressive in collecting on its invoices

    Both I and II

  • 100

    Which of the following classes of mass memory devices used a laser beam to write and read onto a specified coated disk?

    Optical Disk Memory