PRE BOARDS ESAS 1

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Cards (101)

  • A student deposits P 2,500 in a savings account that pays interest at the rate of 6% per year. How much money will the student have after one year? A.P 2,800 B. P 2,450 C. P 2,650 D. P 2,900
  • A new engine design incorporates a piston that contains 0.60 kg of steel (specific heat= 470 J/kg*K) and
    1.20 kg of aluminum (specific heat= 910 J/kg*K). How much heat is required to raise the piston from an initial temperature of 20 degree C to its operating temperatures of 160 degree C?
    192.36 kJ
  • What refers to a slender member which prevents parts of a structure moving to each other under compressive force?
    A.Tie
    B. Column
    C. Strut
    D. Arch
  • What does R.A. 9136 stand for?
    A.Energy Power Reform Act of 2001
    B. Electrification Power Reform Act of 2001
    C. Electric Power Industry Reform Act of 2001
    D. Energization Power Reform Act of 2001
  • A technician has installed a new video card and the computer will now only boot into VGA mode. Which of the following may be the cause of the problem?
    A.There is an operating system incompatibility.
    B. The new card is not DVI compatible.
    C. The external monitor is not compatible.
    D. The incorrect drivers are installed.
  • Section 23 of Article Ill of RA 7920 - Issuance of Certification of Registration. The professional is required to renew license every year/s upon payment of registration fee.
    A.two
    B. six
    C. three
    D. five
  • Which of the following computer program is NOT considered open-source software?
    A.Firefox
    B. Linux
    C. Microsoft Office
    D. OpenOffice.or
  • A 25-candle power lamp is placed 10 ft from a screen. At what distance from the opposite side of the screen should a 36-candle power lamp be placed in order that two sides of the screen may be equally illuminated?
    12ft
  • What are the van der Waals forces?
    A.primary bonds between atoms
    B. forces between electrons and protons
    C. forces not present in liquids
    D. weak secondary bonds between atom
  • The Philippine Electrical Code Part 1 2009 was based on the National Electrical Code 2005 while the
    Philippine Electrical Code Part 1 2017 Edition was based on the National Electrical Code _
    2017
  • A force of 120 N has a rectangular component of 84 N acting along a line making an angle of 20 degrees counterclockwise from the positive x axis. What angle does the 120-N force make with the positive x axis?65.6degrees
  • A solid circular shaft, running at 300 rpm transmits 2 MW and corresponding maximum shear stress produced is 110 MPa. Calculate the suitable diameter of the shaft.
    144 mm
  • The cost of equipment is P500,000 and the cost of installation is P30,000. If the salvage value is 10 percent of the cost of equipment at the end of 5 years, determine the book value at the end of the fourth year. Use straight-line method.
    P146,000.00
  • It state that if two bodies are in thermal equilibrium with a third body, they are also in thermal equilibrium with each other.
    A.first law of thermodynamics
    B. third law of thermodynamics
    C. zeroth law of thermodynamics
    D. second law of thermodynamics
  • A reference frame which remains fixed, while fluid flows through it is called:
    A.Lagrangian
    B. Eulerian
    C. Stokesian
    D. 8ernoullian
  • Steam enters a turbine stage with an enthalpy of 3628 kJ/kg at 70 m/s and leaves the same stage with an enthalpy of 2846 kJ/kg and a velocity of 124 m/s. Calculate the work done by the steam.
    776.8 kJ/kg
  • Give the formula for magnesium carbonate.
    A.MgCO2 B.MgCO3
  • When an input signal A = 10100 is applied to a NOT gate, its output signal is
    A.10101
    B. 01011
    C. 01001
  • Gun Metal is an alloy of
    A.Cu, Al and Zn
    B. Cu, Sn and Zn
    C. Cu, Zn and Ag
  • Which of the following conductors is not applicable on wet locations?
    A.Type THW
    B. Type THHN
    C. Type RHW
  • If a seller recovers his capital along with accumulated compensating interest not in one single lump-sum payment but in periodical equal payments, over time:
    A.Sinking Fund Annuity is availed
    B. Present Work Annuity is availed
    C. Capital Recovery Annuity is availed
    D. None of these
  • If a seller recovers his capital along with accumulated compensating interest not in one single lump-sum payment but in periodical equal payments, over time:
    Capital Recovery Annuity is availed
  • A young engineer borrowed P 10,000 at 12 percent interest and paid P 2,000 per annum for the first 4 years. What does he have to pay at the end of the fifth year in order to pay off his loan?
    P6,919.26
  • If a material expands freely due to heating it will develop
    A.thermal stress B. tensile stress C. no stress D. compressive stress
  • An iceberg having a S.G. = 0.92 floats in salt water having a S.G. = 1.03. If the volume of the ice above the water surface is 1000 cu. m., what is the total volume of the iceberg?
    9364 cu. m.
  • The work of a polytropic (n = 1.21) compression of air (Cp / Cv = 1.4) in a system with moving boundary from P1 = 15 psia, V1 = 1.0 cu. ft. to P2 = 150 psia, V2 = 0.15 cu. ft. is
    5150 ft-lb
  • What is the only gas in Group VIA in the periodic table?
    A.Argon
    B. Krypton
    C. Oxygen
    D. Helium
  • Identify the wrong statement
    1. Atomic radius of the elements increases as one moves down the first group of the periodic table
    2. Amongst isoelectronic species, smaller the positive charge on the cation, smaller is the ionic radius
    3. Atomic radius of the elements decreases as one moves across from left to right in the 2nd period of the periodic table
    4. Amongst isoelectronic species, greater the negative charge on the anion, larger is the ionic radius
    A.1ST STATEMENT B. 2ND STATEMENT C. 3RD STATEMENT D. 4TH STATEMENT
  • Neglecting the change of gravity with elevation, estimate the speed of a satellite must have to orbit the earth at an elevation of 100 km. Earth's radius = 6,400 km.
    8,000
  • The stone which floats on water is
    A.Hyacinth
    B. Topaz
    C. Pumice
  • The melting point of iron is:
    1537 deg C
  • A light beam in air is incident on the surface of a pond, making an angle of 20 degrees with respect to the surface. What is the angle of refraction?
    A.20 degrees
    B. 70 degrees
    C. 60 degrees
    D. 45 degrees
  • The linear portion of the stress-strain diagram of steel is known as the
    A.modulus of elongation
    B. plastic range
    C. range of yield points
    D. elastic range
  • Which of the following is not an extensive property?
    A.Internal energy
    B. Momentum
    C. Volume
    D. Temperature
  • Convert 101101.11 (base 2) to the base 10 equivalent.
    A.42.25
    B. 48.68
    C. 52.35
    D. 45.75
  • How far is the object from the image formed by a converging lens of focal length 50 cm, if the real image formed is 1.5 times larger than the object?
    208.33
  • The Board of Electrical Engineering is empowered to look into the conditions affecting the practice of the electrical engineering profession, adopt measures for the enhancement of the profession and maintenance of the high professional, technical and standards.
    A.theoretical
    B. acceptable
    C. U.S.
    D. ethical
  • Steels that are used for axles, gears and similar parts requiring medium to high hardness and high strength are known as
    A.Low-carbon steels
    C. Very high-carbon steels
    B. High-carbon steels
    D. Medium-carbon steels
  • The force required to start a mass of 50 kg moving across a rough surface is 343 N. What is the coefficient of starting friction?
    0.70
  • Calculate the pH value of 8.0 M HCI.
    -0.903