WEEKLY EXAM #5 (ESAS) SET A 1. An asset is purchased for $500,000. Salvage value in 25 years is $100,000. What is the total depreciation after 3 years of using it? Use straight line method. A. $16,000 C. $48,000 B. $40,000 D. $32,000 2. A certain cable is suspended between two supports at the same elevation and 500 ft apart. The load is 500 lbs per horizontal foot including the weight of the cable. The sag of the cable is 30 ft. Calculate the total length. A. 503.21 ft C. 505.12 ft B. 504.76 ft D. 506.03 ft 3. RA 9136 is __________. A. Electric Power Installation Reform Act B. Energy Power Isolation Reform Act C. Electric Power Industry Reform Act D. Energy Power Institution Reliability Act 4. What is the value of A after this program segment is performed? A=0 DO 77 I=1,4 77 A=A + l A. 4 B. 5 C. 8 D. 10 5. Two men are just able to lift a 300 kg weight with a crowbar when the fulcrum for the lever is 0.3m from the weight. The first man exerts his strength at 0.9m while the second is at 1.5m from the fulcrum respectively. If the men interchanged positions, they can raise a 340 kg weight. What force does the first man exert? A. 40kg C. 60kg B. 50kg D. 55kg 6. XYZ Corporation manufactures bookcases that it sells for $65 each. It costs XYZ $35,000 per year to operate its plant. This sum includes rent, depreciation charges on equipment and salary payments. If the additional cost to produce one bookcase is $50, how many cases must be sold each year for XYZ to avoid taking a loss? A. 2539 C. 2750 B. 2323 D. 2334 7. A cable 45.4m long is carrying a uniformly distributed load along its span. If the cable is strung between two posts at the same level, 40 m apart, determine the smallest value that the cable may sag A. 7.14m C. 9.71m B. 8.12m D. 6.12m 8. Recognizable as suitable for the specific purpose, function, use, environment application, where described in a particular code requirement. A. listed C. approved B. labeled D. identified 9. Divide (15) base 16 by (011) base 2. Express the answer in base 10. A. 9 C. 7 B. 3 D. 1 10. If P5,000 shall accumulate for 10 years at 8% compounded quarterly. Find the compound interest at the end of 10 years. A. P6,005 C. P6,250 B. P6,040 D. P6,010 11. A plank 7.2 m long of mass 20 kg extends 2.4 m beyond the edge of a cliff. How far beyond the edge of the cliff can a 15-kg child walk before the plank tips? A. 1.5 m C. 1.4 m B. 1.3 m D. 1.6 m 12. The ability to convert assets to cash quickly is known as _____. A. Solvency C. Leverage B. Liquidity D. Insolvency 13. You are thinking about retirement and you are considering investing money each month so you have $1,000,000 in 30 years. If the nominal annual rate is 8% compounded monthly, what is the amount of monthly investment? A. $780 C. $690 B. $760 D. $670 14. A certain office equipment has a first cost of $20,000 and a salvage value of $1,000 at the end of 10 years. Find its book value at the end of 6 years using SOYD method. A. $4560.44 C. $4910.25 B. $4454.54 D. $4320.45 15. If a horizontal force of 100 N was needed to keep an object weighing 270 N sliding at constant speed over a horizontal surface, then what was the coefficient of sliding friction. A. 0.31 C. 0.33 B. 0.37 D. 0.35 16. A hermetic motor compressor has a rated load current of 25 A. what is the allowable rating for branch disconnecting means? A. 31.25 A C. 30 A B. 28.75 A D. 37.5 A 17. A homogenous ladder 18ft long and weighing 120 lbs rests against a smooth wall. The angle between it and the floor is 70 degrees. The coefficient of friction between the floor and the ladder is 0.25. How far up the ladder can a 180 lb man walk before the ladder slips? A. 16.6ft C. 14.6ft B. 10.0ft D. 12.2ft 18. Which of the following is an example of an integrity violation of e-commerce security? A. A website is not actually operated by the entity the customer behaves it to be B. A merchant uses customer information in a manner not intended by the customer C. A customer denies that he or she is the person who placed the order D. An unauthorized person intercepts an online communication and changes the content 19. 1 KB is how many bytes? A. 1000 C. 1012 B. 1024 D. 1048 Page 1 of 5 WEEKLY EXAM #5 (ESAS) SET A 20. A farmer bought tractor costing ₱25,000 payable in 10 semi-annual payments, each installment payable at the beginning of each period. If the rate of interest is 26% compounded semi-annually, determine the amount of each installment A. ₱5,280.90 C. ₱3,760.45 B. ₱3,890.30 D. ₱4,077.20 21. Conductors supplying two or more shall have an ampacity equal to the sum of the following current taring of all the motors plus ___ % of the highest rated motor in the group. A. 80 C. 25 B. 100 D. 125 22. Which are NOT included in duties and responsibilities of PRBEE A. Supervise and regulate the practice of electrical engineering in the Philippines B. Issue special permits to individual foreign electrical engineers and electricians for specific projects C. Perform such other functions and duties as may be necessary to implement effectivity of this act D. All of these 30. In molecules of the same composition, what are the variations of atomic arrangements is known as? A. Polymers C. Isomers B. Monomers D. Crystal Systems 31. A self-employed engineer wants to get a lump sum of 5M pesos when he retires at the end of 25 years. How much is pesos should he deposit every end of 3 months in a fund that gives an interest of 10% compounded quarterly to satisfy his desire? A. ₱11559.39 C. ₱13559.39 B. ₱12559.39 D. ₱14559.39 32. The first of a certain equipment is ₱324,000 and a salvage value of ₱50,000 at the end of its life of 4 years. If money is worth 6% compounded annually, find the capitalized cost. A. ₱1,067,901.15 C. ₱1,267,901.15 B. ₱1,167,901.15 D. ₱1,367,901.15 33. Find the resultant of vector A, 40 N force pulling a body east, and vector B, 30 N force pulling the same body south. A. 40 N C. 35 N B. 10 N D. 50 N 23. What is the percentage by weight of aluminum, Al, in alumina, Al2O3? (atomic weight: Al= 27, O= 16) A. 50% C. 52% B. 51% D. 53% 34. Subtract the base 10 number 2551 from (AB5) base 16. Express the answer in base 10. A. 190 C. 192 B. 191 D. 193 24. The coefficient of friction between a load of sand and the bed of the dump truck in which it is carried is 1.1. At what angle to horizontal does the truck bed have to be tilted before the sand starts to slide out? A. 32° C. 24° B. 48° D. 65° 35. The vector which represents the sum of a group of force vectors is called the A. Magnitude C. Sum B. Resultant D. Force Polygon 25. A bank is advertising 9.5% accounts that yield 9.84% annually. How often is the interest compounded? A. monthly C. bi-monthly B. quarterly D. daily 26. W, X, and Y are Boolean variables. W X are inputs to an AND gate and output combines with Y in another gate resulting in Z. What values of W X and Y will result Z = 1? A. 1,0,1 C. 1,1,0 B. 1,1,1 D. 0,1,1 and its AND and 27. Find the future amount of P12,000 after 12 years with an interest rate of 9% compounded semi-annually. A. P33,272 C. P34,512 B. P34,426 D. P36,186 28. A loan is to be paid in 8 equal payments for 2 years. If the interest rate is 12% compounded quarterly, find the amount of the loan if the quarterly payment is P2,500. A. P18,750 C. P17,550 B. P20,450 D. P19,250 29. Divide (1111) base 2 by (100) base 2. Express the answer in base 2. A. 11.101 C. 11.011 B. 11.110 D. 11.010 36. Calculate the molality of solution containing 0.500 mol of solute in 250 g of solvent. A. 1.50 m C. 1.75 m B.2.00 m D. 2.25 m 37. What does PRBEE stands for? A. Philippine Regulating Board Electrical Engineering B. Professional Regulatory Board Electrical Engineering C. Philippine Regulatory Board Electrical Engineering D. Professional Regulating Board Electrical Engineering of of of of 38. An archer aims his bow upward and pulls the string on his arrow with a force of 80 N. The string makes an angle of 25° with the vertical. Find the tension of the string. A. 44 N C. 39 N B. 53 N D. 66 N 39. Find the MW of HNO3 in g/mole. A. 72 C. 73 B. 61 D. 63 40. What nominal rate, compounded semiannually, yields the same amount as 16% compounded quarterly? A. 15.43% C. 16.32% B. 12.75% D. 17.46% Page 2 of 5 WEEKLY EXAM #5 (ESAS) SET A 41. What would be the present value of installment payments of ₱1,000 now, ₱2,000 at the end of the first year, ₱3,000 at the end of second year, ₱4,000 at the end of third year, and ₱5,000 at the end of fourth year, if the money is worth 10% compounded annually A. ₱12,315.87 C. ₱11,717.85 B. ₱14,115.76 D. ₱10,550.25 42. What is work-in-progress classified as? A. An asset C. An expense B. A liability D. Owner’s equity 43. A simple beam 6 m long is carrying a distributed load that varies linearly from 1 kN/m on the left end to 3 kN/m on the right end. Find the reaction at the right end. A. 7 kN C. 4 kN B. 5 kN D. 6 kN 44. Calculate for the exact simple interest on ₱15,000 for the period from February 12, to August 15, 2004 if the rate of simple interest is 12% A. ₱909.84 C. ₱540.35 B. ₱678.87 D. ₱887.65 45. What is the pH value of a solution with acetic acid concentration of 3.0 x 10^-6 M? A. 6.85 C. 5.52 B. 4.86 D. 7.32 46. What would be the value printed as a result of the following instructions? 10 DEF FNA(X)=X**2+1/X 20 PRINT FNA(2) 30 END A. 3.2 B. 4.5 C. 6.5 D. 7.2 47. What is the effective rate of interest for an 8% nominal annual rate of interest compounded monthly? A. 8.24% C. 8.53% B. 8.30% D. 8.45% 48. A college student borrows $15,000 during his senior year. It is to be repaid in 20 equal quarterly installations. The interest rate is 5% per year with the first payment to be made 3 years after the date of the loan. What will be the approximate amount of the quarterly payment? A. $968 C. $992 B. $984 D. $976 49. The disconnecting means for motor circuits shall have an ampere rating of at least 115% of the full load current rating of the motor. A. Manufacturing rule B. Construction rule C. Wiring design rule D. Installation rule 50. It takes 30 s to download a document from the internet using a 28.8 k modem. What is the file size of the document in kB? A. 98 C. 91 B. 105 D. 112 51. A central horizontal force of 1.4 N is necessary to move a drum 900 mm in diameter on a level surface. Assuming that the coefficient of rolling resistance is 0.635 mm, what is the mass of the drum? A. 111 kg C. 110 kg B. 121 kg D. 101 kg 52. 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 A. I only C. Either I or II B. II only D. Both I and II 53. In 5 years, P18,000 will be needed to pay a building renovation. In order to generate this sum, a sinking fund consisting of three annual payments is established now. Find the amount of each payment if money is worth 15% per annum. A. P2,670 C. P3,920 B. P2,870 D. P5,100 54. A project which involves the investment of P100,000 now and P100,000 at the end of 1 year. Revenues of P150,000 will be generated at the end of years 1 and 2. Find the net present value of this project if the effective annual interest rate is 10%. A. P48,270 C. P54,120 B. P66,180 D. P69,420 55. A byte is composed of how many bits? A. 2 C. 6 B. 4 D. 8 56. Two men lift the ends of a 20 ft. beam weighing 200 lb. onto their shoulders. Both men are of the same height so that the beam is carried horizontally, but one is much the stronger of the two and wishes to bear 50% more of the weight than his mate. How far from the end of the beam should he put his shoulder? A. 2-½ ft C. 4-1/3ft B. 1-½ft D. 3-1/3 ft 57. If an appliance has a motor load of 12A and a heating load of 15A, what is the required ampacity of the branch circuit conductors? A. 35A C. 20A B. 25A D. 30A 58. A pry bar is a device used to lift heavy objects a small distance, usually in order to place a wheeled dolly under the object. It consists of a long rod that rests on a fulcrum a short distance from the lifting end of the bar. Suppose the fulcrum of a pry bar is 3 cm from the load, and the point where you push down on the other end is 1.5 m from the fulcrum, what minimum force would you have to exert to lift a load of 2000 N? A. 40 N C. 50 N B. 30 N D. 20 N Page 3 of 5 WEEKLY EXAM #5 (ESAS) SET A 59. What is the product of F10 base 16 and 101 base 2, express the answer in base 10? A. 19880 C.19200 B. 19280 D.19850 60. How is the capital recovery factor (A/P, i, n) related to the uniform series sinking fund factor (A/F, i, n)? “i” is the effective annual rate of return, and “n” is the number periods. A. (A/P, i, n) = (A/F, i, n) + I B. (A/P, i, n) = (A/F, i, n) – I C. (A/P, i, n) = (A/F, i, n) / i D. (A/P, i, n) = (A/F, i, n) + i / n 61. E base 16 times 4 base 8 equals _____ base 2. A. 111011 C. 101111 B. 111000 D. 100111 62. An investor wants to accumulate a certain amount of money at the end of a certain bank. If the bank pays an interest rate of 6% compounded annually, compute the present worth factor after he accumulates a certain amount at the end of 8 years A. 5.2098 C. 7.2098 B. 6.2098 D. 8.2098 63. What is the present value in pesos of a perpetuity of ₱16,000 payable every end of 3 months if money is worth 10%, compounded monthly A. ₱434,696 C. ₱634,696 B. ₱534,696 D. ₱734,696 64. The circuit conductors between the final overcurrent device protecting the circuit and the outlet(s). A. Feeder C. Branch circuit B. Service lateral D.Service conductor 65. How is “molality” defined? A. The number of moles of solute in 1 L of solution B. The number of grams-equivalent weights of solute in L of solution C. The number of moles of solute in 1000 g of solvent D. The number of gram-formula weights of solute per liter 69. What is the physical appearance of sodium chloride? A. Silver metal C. Yellowish gas B. White crystal D. White metal 70. Supposed a man receives an initial annual salary of ₱60,000 increasing at a rate of ₱5,000 a year. If money is worth 10%, determine his equivalent uniform salary for a period of 8 years. A. ₱73,022.06 C. ₱76,022.78 B. ₱74,022.66 D. ₱75,022.39 71. Two forces of 20 units and 30 units act at right angles. What is the magnitude of the resultant forces? A. 44 C. 24 B. 42 D. 36 72. A box is being pulled by a force of 20lb exerted in a rope inclined 30° with horizontal. What is the effective component of the force pulling the box? A. 15.89lbs C. 17.32lbs B. 16.21lbs D. 18.12lbs 73. A room air conditioner is to be attached to an individual branch circuit. If the load is 12A, what is the minimum size of branch circuit required? A. 15 A C. 8.7 A B. 13.8 A D. 9.6 A 74. How is the material purchase price variance defined? A. (quantity purchased)(actual price) – (quantity purchased)(standard price) B. (quantity issued – standard quantity)(standard price) C. (actual price – standard price)(quantity used) D. (quantity purchased – quantity used)(actual price) 75. Second generation computers were based on ______. A. vacuum tubes C. silicon chips B. transistors D. AI 76. Find the interest due on a P1,500 note for 4 years and 3 months, if it bears 12% ordinary simple interest. A. P765 C. P772 B. P727 D. P765 66. An economy is experiencing inflation at the rate of 6% per year. An item presently costs P1000. If the 6% inflation rate continues, what will be the price of this item in five years? A. $1,396.96 C. $1,338.23 B. $1,370.09 D. $1,402.55 77. A cable which has a mass of 0.6 kg/m and is 240 m long is to be suspended with a sag of 24 m. Determine maximum tension. A. 1,488 N C. 1,836 N B. 1,249 N D. 1,638 N 67. What does FTTH mean? A.Flexible to the House B. Flexible to the Home C. Fiber to the Home D. Fiber to the House 78. Mr. Bacani borrowed money from the bank. He received from the bank P1,842 and promise to repay P2,000 at the end of 10 months, determine the rate of simple interest. A. 12.19% C. 11.54% B. 12.03% D. 10.29% 68. An equipment costing ₱620,000 has a life of 10 years. Using declining balance method the book value at the end of 7 years is found to be ₱125,099.60. What is the salvage value of the equipment? A. ₱60,000 C. ₱62,000 B. ₱61,000 D. ₱63,000 79. Which of the following of nonvolatile memory system? A. Flash drives C. B. RAMs D. Page 4 of 5 are NOT examples in the computer Optical disk Hard drives WEEKLY EXAM #5 (ESAS) SET A 80. What is a protective device designated to protect an individual against electric shock? A. Circuit breaker C. Differential B. AFCI D. GFCI 81. Dalisay Corporation’s gross margin is 45 percent of sales. Operating expenses such as sales and administrations are 15 percent of sales. Dalisay is in 40 percent tax bracket. What percent of sales is their profit after taxes? A. 18 C. 24 B. 5 D. 0 82. What mass in grams of solute is needed to prepare 3.50 L of 0.400 M NaOH? A. 54 C. 52 B. 56 D. 58 83. Which of the following does not threaten the operation of a computer? A. Trojan horse C. Firewall B. Worn D. Hacking 84. Which of the following expressions is incorrect? A. The future worth of a present amount, (F/P, i, n) = 1 / (P/F, i, n) B. The future worth of an annuity, (F/A, i, n) = 1 / (A/F, i, n) C. (A/F, i, n) x (P/A, i, n) = (P/F, i, n) D. (A/F, i, n) – i = (A/P, i, n) 85. A load of 100 lbs is hung from the middle of the rope, which is stretched between two rigid walls 30 ft apart. Due to the load, the load sags 4 ft in the middle. Determine the tension in the rope. A. 165 lbs C. 194 lbs B. 173 lbs D. 149 lbs 86. Find the octal equivalent hexagonal number EE. A. 356 C. 365 B. 653 D. 635 of the 87. A project that yields annual benefits of ₱75000 for 10 years with no salvage value is designed to have a benefit cost ratio of 2. Determine the cost of project if money is worth 10% A. ₱130,421 C. ₱330,421 B. ₱230,421 D. ₱430,421 88. The coefficient of static friction for steel on ice is 0.1. The force needed to set 70-kg skater in motion is A. 0.1 N C. 7 N B. 0.7 N D. 70 N 89. What is the minimum lighting load required by PEC for an office measuring 20m by 25m? A. 6,000 VA C. 12,000 VA B. 7,000 VA D. 14,000 VA 90. How many grams are represented in 2.50 mol of H2O? A. 45 C. 43.9 B. 21.7 D. 32.7 92. Which of the following events will cause the optimal lot size, given by the classic EOQ model with no shortages, to increase? A. a decrease inventory carrying cost B. a decrease in demand C. an increase in demand D. either option a or c 93. Formula for calcium chloride. A. CaCl2 C. CaCl B. Ca2Cl D. CaCl3 94. Which of the following statement is not correct? A. A nominal rate of 12% per annum compounded quarterly is the same as (12%) ÷ 4 = 3% per quarter B. One dollar compounded quarterly at 3% for n years has a worth of (1.03)4n dollars C. Compounding quarterly at a nominal rate of 12% per year is equivalent to compounding annually at a rate of 12.55% D. Effective rate of return in choices (A) through (C) is the difference between 12.55% and 12% 95. Also known as PRC Renewal Law A. RA 8189 C. RA 7920 B. RA 8981 D. RA 184 96. An engineer bought a machine for ₱500,000. Other expenses including installation amounted to ₱30,000. At the end of its estimated useful life of 10 years, the salvage value will be 10% of the first cost. Using straight line method of depreciation, what is the book value after 5 years? A. ₱256,400 C. ₱350,250 B. ₱291,500 D. ₱450,500 97. A man can exert a maximum pull of 1,000N but wishes to lift a new stone door for his cave weighing 20,000N if he uses a lever, how much closer the fulcrum be to the stone than to his hand A. 10 times nearer C.10 times farther B. 20 times farther D. 20 times nearer 98. What is the allowable rating for branch overload protection if fuse is used for a hermetic motor compressor with a rated load current of 25 A? A. 35 A C. 20 A B. 15 A D. 30 A 99. GMC was created by the energy regulatory commission to monitor the compliance of the users of the Grid to the PGC. What does the GMC stand for? A. Grid Management Committee B. Generation Management Corporation C. Grid Market Commission D. Generator Management Committee 100. The total load on any overcurrent device located in a panelboard shall not exceed _____ of its rating where over of a dc machine to ground. A. 80% C. 50% B. 70% D. 125% 91. The color reserved for use in equipment grounding conductor is A. Yellow C. green B. white D. gray Page 5 of 5