LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER “THE ESTABLISHED LEADER IN E.E. REVIEW” Manila REGISTERED ELECTRICAL ENGINEERS Mock Board Examination Tuesday, April 20, 2021 2:00 PM - 6:00 PM ENGINEERING SCIENCES AND ALLIED SUBJECTS: INSTRUCTION: Select the correct answer for each of the following questions. Mark only one answer for each item by shading the box corresponding to the letter of your choice on the answer sheet provided. STRICTLY NO ERASURES ALLOWED. MULTIPLE CHOICE: 41. In thermodynamics, our attention is focused on which form of energy? A. Kinetic Energy B. intemal Energy C. Potential Energy. Total Energy 2. A skier starts from rest and slides 9.0 m down a slope in 3.0 s. In what time after starfing will the skier have a speed of 24 mis? Assume that the acceleration is constant. Alzs B.11s C.10s Dos 3. The most important element that controls the physical properties of steel is A. Silicon B. Tungsten C. Manganese D. Carbon 4, The cost of constructing a road is P 600,000. The yearly maintenance cost is P 15,000 and P 250.000 for repavement of road every 18 years. fan annual interest rate is 3.5%, what is the cost for perpetual? A.P13M B.P1.75M C.P 432M D.P1.33M 5. Amass of 5 slugs and one of 7 kg are combined, Express the total mass in slugs. ASAR B458 C642 D. 4.62 8A Isa tiny electrically operated switch that can alternate between on and off many milion of times per second. A Transistor B. Resistor C. Capacitor D. Microchip 7. What in binary is A base 167 1011 B. 1000 ¢. 1010 D.1110 8. Section 4(r) Powers and Duties of the Board of Article Ii Board of Electrical Engineering is ‘A. Promulgate rules and regulations including a code of ethics, administrative polcies, orders and issuances to carry ou the provisions ofthis Act. B. Coordinate with the Commission and the Department of Education, Culture and Sports (DECS) in prescribing, amending and/or revising the courses. C. Supervise and regulate the practice of electrical engineering in the Philippines. D. Determine and evaluate the qualifications ofthe applicants for registration with or without licensure ‘examinations and for special permits, 9. The aggregation of individual formed for the purpose of conducting a business and recognized by lawas a fictitous person is called A Corporations B. Investors C. Partnerships D. Stockholders 10. How many moles are there in one atom? A.1.66x10" moles 8. 1.66x 10 moles C. 1.65% 10moles —_D. 1.66 x 10™ moles 11. A square bar of aluminum 2 in on a side and 10 in longis loaded by axial tensile forces at the ends. Experimentally, it is found that the strain in the direction of the load is 0.001 in/in. Determine the volume of the bar when the load is acting. Consider y = 0.33. A. 29,9864 cu.in, B. 40 cu.in. ©. 39.9728 cuin. D, 40.0136 cu.in. 12. What is the total number of neutrons in an atom with an atomic number of 17 and a mass number of 357 AW B18 C.36 0.52 13, A centrifugal pump gives maximum efficiency when its blades are: A. Bent forward B. Bent backward ©. Straight D. Wave shaped 14, A rock that would most likely contain a fossil would be A. igneous: B. metamorphic C. sedimentary D. voleanic 15, What is RSC stands for in EPIRA? A. Retail Supply Commission C. Retail Suppier Commission BR Retal GQmniv Contract D Retail Simpler ContractLEGIT MULTIVECTOR REVIEW AND TRAINING CENTER “THE ESTABLISHED LEADER IN E.E. REVIEW” Manila REGISTERED ELECTRICAL ENGINEERS Mock Board Examination Tuesday, April 20, 2021 2:00 PM - 6:00 PM ENGINEERING SCIENCES AND ALLIED SUBJECTS: 16, Determine the diameter of a steel rod that will carry a tensile load of 50,000 kg at a stress of 1400 kg per square centimeter. A.578 on B.6.74cm C.8.32.cm D. 7.46 om 17. The hydroxyl ion concentration of 10°" molesfiter in water is equivalent to what pH number? AS B.S G7 D411 18, Hot water at 100 deg Cis added to 300 g of water initially at O deg C untl the mixture is at 40 deg C. The minimum mass of added hot water is Ag B.75 C.1209 D. 200 g 19. The purpose of iron sulfide in sted alloying is to increase: A. atmospheric corrosion resistance C. corrosion resistance B. hardness and strength D. brittleness 20. A nibble is composed of how many bits? A2 Bd ce D8 21. The disconnecting means for motor circuits shall have an ampere rating of al least 115% of the ful-load current rating of the moter. ‘A. manufacturing rule 8. construction rule ——«C. wiring design rule _D. installation rule 22, One banker's year is equivalent to days, A. 200 B. 360 C. 365 D. 366 23. (1111) base2 + (1111) base2=( —) base 2. A. 1011 B.11101, c.41110 D. 11100 24, Device used to pull wire through the conduit. A. Straps B. Fish tape C. Wire tongs: D. Puller 25. An object with a volume of 1200 cu. cm. weighs 20 N. What willit weigh when submerged in water? A.782N B.20N ©. 10.58N 2.8.23. N 26. When an object exerts a force on another object, the second object exerts on the first a force of the same magnitude but in the opposite direction. This law is known ‘A. Newton's First law of Motion C. Newton's Third law of Motion B. Newton's Second law of Motion D. None of these 27. Find the maximum shearing stress in a steel shaft of 2” in diameter which transmits 200 horsepower at 875 rpm. A. $819.8 psi B. 9169.8 psi C. 9268.8 psi D. 9619.8 psi 28. A bank is advertising 0.5 percent acccunt that yield 9.84 percent annually. Find how often interest is compounded, A. Monthly B. Bimonthly C. Quarterly D. Annually 29. A 50-kg metal cylinder, 20 m long and with each end of area 25 sq. cm., stands vertically on one end. What pressure does the cylinder exert on the floor? ‘A. $8.1 kPa B. 784.8 kPa ©. 392.4 kPa D. 196.2kPa 30. A depariment store charges one and one-half percent interest per month on credit purchases. This is equivalent to a nominal annual interest rate of A. 15.0 percent B. 18.0 percent C. 19.6 percent D. 21.0 percent 31, FTTH means, A. Flexible To The House C. Fiber To The Home B. Flexible To The Home. D. Fiber To The House 2, In RA 7920, section 23 of article I: Issuance of Cettificates of Registration. The professional is required to renew licence every years upon payment of registration fees. Ad B.2 C.3 beLEGIT MULTIVECTOR REVIEW AND TRAINING CENTER “THE ESTABLISHED LEADER IN E.E. REVIEW” Manila REGISTERED ELECTRICAL ENGINEERS Mock Board Examination Tuesday, April 20, 2021 2:00 PM - 6:00 PM ENGINEERING SCIENCES AND ALLIED SUBJECTS: 33. The wheel of an automobile spinning at 180 rpm begins to experience a 10 rad/s’ angular acceleration. ‘What is the angular velocity of the wheel after 5 seconds? A. 230 rpm B. 275 rpm. C.477 rpm D. 657 rpm 34. A person throwsa stone upward at an angle of 30 degrees to the horizontal. it lands 173.2 ft measured horizontally and 6 ft below the person's arm measured vertically. Determine the time of fight. A 1838s B. 2563.5 C.3.6425 D. 4.2585 36. Formula for magnesium nitrite A. Mga(NO2)> B. MgNO2 C.MgiNO2) D. Max(NOz)s 36. In what method of computing depreciation where it assumes that the annual cost of depreciation is a fixed percentage of the book value at the beginning of the year? A. Straight line method C. Sum-of-year digit method B. Sinking fund method D. Declining balance method 37. “The ratio of he sines of the angles of incidence and refraction is equal fo the ratio of the speeds of light in the two media’. This statement is known as A. Huygen’sprinciple _B. Snell's law C. Maxwell's hypothesis D. Doppler’s effect 38. Which of the following is not a colligative property? A. Osmotic pressure C. Lowering of vapor pressure B. Depression of freezing point D. None of these 39, A System has a temperature of 250°F. Convert this Value to °R? A. T40°R, B.730°R C.720°R, D.710°R 40. A machine costs P 8,000 and an estimated life of 10 years with a salvage value of P 500. What isits book value after 8 years? Using straight-line method. A. P4000 B.P 2500 c.P 3000 D. P 2000 41. A piston cylinder contains 3 kg of air at 20°C and 300 kPa. itis now heated up in a constant pressure processto 600 K. Find the work in the process, in kd when R = 0.287. A275 B. 253 ©. 282 D. 264 42, In which medium do sound waves travel the fastest? A. Liquids B. Solids C. Gases D. Vacuum 43, With a 12% interest rate, approximately how much money must be invested today in order to withdraw $1000 per year at the end of each year for 10 years? ‘A. $4800, B. $5650 ¢. $5800 D. $6150 44, Water flows at 6 f/s through a pipe 500 ft long with diameter 1 in. The inlet pressure ps = 200 psig, and the exit section is 100 ft higher than the inlet. What is the exit pressure pz if the fiiction head loss is 350? A. 5.24 psig B. 5.67 psig C. 5.00 psig D. 5.33 psig 45, An appliance, which is fastened or otherwise, secured at a specific location A, Permanent Appliance C. Portable Apoliance B. Stationary Appliance D. Fixed Appliance 46. A person sits in a chair 3m from a wall on which hangs a plane mirror. Three meters directly behind him stands a woman 1.6 m tail. What minimum height of plane mirror on the wall will enable him to see the ‘woman's full height? A.16m B.0.8m C.0.533 m D. 0.266 m 47. The point of contraflexure is a point where A. shear force changes sign . shear force is maximum B. bending moment changes sign D. bending moment is maximum 48, If 9.05 moles of ozone is formed in a storm then the mass of ozone is A. 4359 B. 450g C.434.4g D. 4809LEGIT MULTIVECTOR REVIEW AND TRAINING CENTER “THE ESTABLISHED LEADER IN E.E. REVIEW” Manila REGISTERED ELECTRICAL ENGINEERS Mock Board Examination Tuesday, April 20, 2021 2:00 PM - 6:00 PM ENGINEERING SCIENCES AND ALLIED SUBJECTS: 50. The cold working of metal is accomplished at A. below re-crystallization temperature C. re-crystalization temperature B. above re-crysiallization temperature D. any of these 51. The term is very commonly used to designate any alloy primarily copper and zine. A. bronze B. manganese C. brass D. aluminum 52. The transfer of heat energy from molecule to molecule is known as ‘A. absorption 'B. conduction . radiation D. convection 53, Itisthe claim of anyene to ownership. A. proprietorship B. assets C. equity D. liability 54, Which of the following describes 2 material that possesses different properties when stressed in different directions? A. atactic B. anisotropic C. isotropic D. asymmetrical 55. Find the volume flowrate of water in L/s, ifthe power developed under a head of 295m is 9,300 kWV and the hydraulic efficiency is 75%. A4,285 B. 4,699, c.5,000 D. 5,200 56. If $ 1,000 is deposited in a savings accourt that pays 6% annual interest and all the interest is left in the account, what isthe account balance after three years? A. $840 B.$ 1,000 C.$ 1,180 D.$ 4,191 57. What is the demand load of the service for two 3 kW cooktops and two 5 kW ovens? AZ KW B.11 KW C.15kW D. 10KW 58. The speed with which a liquid escapes from a vessel through an orifice is given by A. Archimedes’ Prinople 8. Toricelli's Theorem C. Bemoull’s Theorem —_D. Flow Equation 59. One end of rope 50 ft long is attached to an automobile. The other end is fastened toa tree. A man exerts a force of 100 Ib at the midpoint of the rope, pulling it2 ft to the side. What's the ferce exerted on the automobile? A. 846 lbs B. 620\bs C. 528 Ibs. D. 625 Ibs 60. A projector produces an illumination of 10,000 x on a wall perpendicular to its beam that is 6.0m away. ‘What is the luminous intensity looking into the beam? ‘A. 240000 ed B. 180000 ed ‘¢. 360000. ed D. 840000 ed 61. Calculate the mass of water required to prepare a 4.00™m aqueous solution of NHs using 25.0 g of NH, A. 0.386 ka B. 0.368 kg C.0.482 kg D. 0.426 kg 62. The product of force and the time during at which it acts is known as A. momentum B. impact C. work D. impulse 63, What is the value of 75 base 10 in base 47 A. 2201 B. 1344 c. 1023 D. 2313, 64, The maximum power output of an engine operating between 600 deg C and 20 deg C if the heat inputis 100ku/sis A833 kW B.77.3kW C.66.4 KW D. 57.3 kW 65. What is the factor (AIP, i%, n)? ‘A. uniform series present worth factor . sinking fund factor B. uniform series compound amount factor D. capital recovery factor 66. Two particles moving in the same direction colide, stick together, and continue their motion together. Each particle has a mass of 10g, and their respective velocities before collision were 10 mis and 100 m/s. The energy of the system after the colision is most nearly A.2d B.30N C.48d D.78JLEGIT MULTIVECTOR REVIEW AND TRAINING CENTER “THE ESTABLISHED LEADER IN E.E. REVIEW” Manila REGISTERED ELECTRICAL ENGINEERS Mock Board Examination Tuesday, April 20, 2021 2:00 PM - 6:00 PM ENGINEERING SCIENCES AND ALLIED SUBJECTS: 68, Which of the following flow meters measure(s) the average fluid velocity rather than a point orlocal velocity ina pipe? (1) venturi meter (I) pitot tube (Il) impact tube (IV) office meter (V) hot-wire anemometer A. only B. Il only .1 and iv D.llandv. 69. What is true about the palytropic exponent, n, for a perfect gas undergoing an isobaric process? A.n>0 B.n<0 Cre D.n=0 70. If an integer programming problem is solved as linear programming problem and the resulting values of the decision variable are rounded off, which of the following will result? ‘A. an optimum integer solution B. anoninteger solution that is opimum €. an integer solution that may be optimum, or close toit . an integer solution that is not optimum 71. Which of the following printers uses light beam and electrostatically sensitive black powder A. dot matrix printer —-B. daisy wheel printer. chain printer D. laser printer 72, Bar codes stores infermation using A. punched holes B. dots’ C. thick and thin lines D. allof these 73. Which of the following is the ascending order of data hierarchy? A. bit ~ byte ~ record ~ field — database — file C. bit - byte file ~ field ~ record - database B. bit —byte field —record—file—datebase _. bit ~ record ~ byte —field — file — database 74. A hydraulic cylinder has @ piston of cross sectional area 25 cm? and a fluid pressure of 2 MPa. If the piston ismoved 0.25 m how much work is dene? A125 kd B.25Ks C.3.75 kd D.Skd 75. This law states that the pressure applied at any point of a confined fluid is transmitted equally to all other points, What laws this? ‘A. Newton's law B. Boyle's law ©. Pascal's law D. Charles’ law 76. The mole fraction of alcohol in water is 0.100. Calculate its molality AGT 8.7.61 C178 0.3.56 77. Which of the following electrical conductor has the highest resistance? A.35mm* B.2.0 mm? C.8.0mm* D.5.5mm? 78. When thermal overload relay are used for the protection of a three-phase induction motor, their primary purpose is to protect the moter in case of A. short circult between lines C. high voltage B. reversal of phase sequence D. sustained overioad 79, An overcurrent device with a circuit opening fusible part that is heated and severed by the passage of over current through i. A. Overload relay B. Thermocouple C. Fuse D. Magnetic contactor 80. Rigid metal conduit shall be fimly fastened within _of each outlet box. ‘A. 800 mm, 8B. 900mm C.760 mm D. 600mm 81. A box wth ablank cover which is inserted in one or more runs of raceway to faciltate puling of the conductors. A. Coupling box B. Junction box C. Terminal box D. Pull box 82. Which of the following materials has the least modulus of elasticity? A. Steel B. Glass C. Copper D. AluminumLEGIT MULTIVECTOR REVIEW AND TRAINING CENTER “THE ESTABLISHED LEADER IN E.E. REVIEW” Manila REGISTERED ELECTRICAL ENGINEERS Mock Board Examination Tuesday, April 20, 2021 2:00 PM - 6:00 PM ENGINEERING SCIENCES AND ALLIED SUBJECTS: 84, A single bolt is used to lap joint two steel bars together. Tensile force on the bar is 20,000 N. Determine the diameter of the bolt required ifthe allowable shearing stress on itis 70 MPa. A.Bmm B. 19 mm. C.15mm D. 12mm 85. What physical property of a material that refers to the temperature at which ferromagnetic materials can no longer be magnetized by outside forces? A. Melting point B. Thermal conductivity C. Thermal expansion —_D. Curie point 86. What element constitutes the major component of most bronzes? A. Zine B.Tin C. Lead D. Aluminum 87. An alert notice issued by the System Operator when the Primary Reserve is zero, a generation deficiency exists, or there is critical loading or imminent overloading of transmission lines or Equipment. A Red Alert B. Orange Alert C. Yellow Alert D. Red Orange Alert 88. refers to the system of allowing any qualified person the use of transmission, and/or distibution system, and associated facilities subject to the payment of transmission and/or distribution retail wheeling rates duly approved by the ERC. A. Open Access B. Power System C. Qualified Access. Open System 89, Article | of Code of Ethics. A. Professional Life C. Relations with Fellow Engineers B, Relation with Client and Employer D. Social life 80. Which of the following is also known as the “Continuing Professional Development Act of 2016°7 A. RA 10912 B. RA 12910 C.RA 10219 D. RA 12801 91. A pressing force that squeezes a material together A. force B. steel C. compression D. modulus 92. Ability to do work A. Power B. Energy C. Work D. None of these 93, An adiabatic process with no work done is ‘A. isometric B. throttling C. isobaric D. pdytropic 94, Article IV Rue Requirements form examination as a REE. A B.15 C.16 D.17 95. In molecules of the same compostion, what are the vatiations of atomic arrangements known as? A. polymers, B. monomers €. isomers D. crystal systems 96, For REE board examination, the passing general average is__provided there isno grade below in any ofthe subjects A. 75 percent, 50 percent C. 75 percent, 60 percent B. 70 percent, 50 percent D. 70 percent’ 60 percent 97. A train whose speed is 60 mph rounds a curve whose radius of curvature is 484 ft. What's its acceleration? Ao Bt C8 0.16 98, What is molarity of the sclution if 150 g of KClis dissolved in water to make 800 mL solution? A254 moles/L. B.225moles/L C.2.87 molesi. D. 1.63 moles/L 99, The continuous current must not exceed of the rating of the conductor? ‘A. 60 percent B. 70 percent €.80 percent D. 90percent 100. What is the system program used to translate directly an assembly language to machine language called ‘A. Compiler B. Debugger C. Interpreter D. Assembler