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Engineering Exam Prep

1. The document is a practice exam with 36 multiple choice questions covering topics in mathematics, physics, chemistry, and engineering. 2. The questions cover a range of concepts including depreciation, leverage, vectors, coefficients of friction, interest calculation, and more. 3. Answers are provided in multiple choice format with options A through D for each question.

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Kyle Tabuldan
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0% found this document useful (0 votes)
555 views5 pages

Engineering Exam Prep

1. The document is a practice exam with 36 multiple choice questions covering topics in mathematics, physics, chemistry, and engineering. 2. The questions cover a range of concepts including depreciation, leverage, vectors, coefficients of friction, interest calculation, and more. 3. Answers are provided in multiple choice format with options A through D for each question.

Uploaded by

Kyle Tabuldan
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as PDF, TXT or read online on Scribd
You are on page 1/ 5

WEEKLY EXAM #5 (ESAS) SET A

1. An asset is purchased for $500,000. 10. If P5,000 shall accumulate for 10 years
Salvage value in 25 years is $100,000. at 8% compounded quarterly. Find the
What is the total depreciation after 3 compound interest at the end of 10 years.
years of using it? Use straight line A. P6,005 C. P6,250
method. B. P6,040 D. P6,010
A. $16,000 C. $48,000
B. $40,000 D. $32,000 11. A plank 7.2 m long of mass 20 kg extends
2.4 m beyond the edge of a cliff. How far
2. A certain cable is suspended between two beyond the edge of the cliff can a 15-kg
supports at the same elevation and 500 child walk before the plank tips?
ft apart. The load is 500 lbs per A. 1.5 m C. 1.4 m
horizontal foot including the weight of B. 1.3 m D. 1.6 m
the cable. The sag of the cable is 30 ft.
Calculate the total length. 12. The ability to convert assets to cash
A. 503.21 ft C. 505.12 ft quickly is known as _____.
B. 504.76 ft D. 506.03 ft A. Solvency C. Leverage
B. Liquidity D. Insolvency
3. RA 9136 is __________.
A. Electric Power Installation Reform 13. You are thinking about retirement and
Act you are considering investing money each
B. Energy Power Isolation Reform Act month so you have $1,000,000 in 30 years.
C. Electric Power Industry Reform Act If the nominal annual rate is 8%
D. Energy Power Institution Reliability compounded monthly, what is the amount
Act of monthly investment?
A. $780 C. $690
4. What is the value of A after this program B. $760 D. $670
segment is performed?
A=0 14. A certain office equipment has a first
DO 77 I=1,4 cost of $20,000 and a salvage value of
77 A=A + l $1,000 at the end of 10 years. Find its
book value at the end of 6 years using
A. 4 C. 8 SOYD method.
B. 5 D. 10 A. $4560.44 C. $4910.25
B. $4454.54 D. $4320.45
5. Two men are just able to lift a 300 kg
weight with a crowbar when the fulcrum 15. If a horizontal force of 100 N was needed
for the lever is 0.3m from the weight. to keep an object weighing 270 N sliding
The first man exerts his strength at 0.9m at constant speed over a horizontal
while the second is at 1.5m from the surface, then what was the coefficient
fulcrum respectively. If the men of sliding friction.
interchanged positions, they can raise a A. 0.31 C. 0.33
340 kg weight. What force does the first B. 0.37 D. 0.35
man exert?
A. 40kg C. 60kg 16. A hermetic motor compressor has a rated
B. 50kg D. 55kg load current of 25 A. what is the
allowable rating for branch
6. XYZ Corporation manufactures bookcases disconnecting means?
that it sells for $65 each. It costs XYZ A. 31.25 A C. 30 A
$35,000 per year to operate its plant. B. 28.75 A D. 37.5 A
This sum includes rent, depreciation
charges on equipment and salary 17. A homogenous ladder 18ft long and
payments. If the additional cost to weighing 120 lbs rests against a smooth
produce one bookcase is $50, how many wall. The angle between it and the floor
cases must be sold each year for XYZ to is 70 degrees. The coefficient of
avoid taking a loss? friction between the floor and the ladder
A. 2539 C. 2750 is 0.25. How far up the ladder can a 180
B. 2323 D. 2334 lb man walk before the ladder slips?
A. 16.6ft C. 14.6ft
7. A cable 45.4m long is carrying a uniformly B. 10.0ft D. 12.2ft
distributed load along its span. If the
cable is strung between two posts at the 18. Which of the following is an example of
same level, 40 m apart, determine the an integrity violation of e-commerce
smallest value that the cable may sag security?
A. 7.14m C. 9.71m A. A website is not actually operated by
B. 8.12m D. 6.12m the entity the customer behaves it to be
B. A merchant uses customer information
8. Recognizable as suitable for the specific in a manner not intended by the customer
purpose, function, use, environment C. A customer denies that he or she is
application, where described in a the person who placed the order
particular code requirement. D. An unauthorized person intercepts an
A. listed C. approved online communication and changes the
B. labeled D. identified content

9. Divide (15) base 16 by (011) base 2. 19. 1 KB is how many bytes?


Express the answer in base 10. A. 1000 C. 1012
A. 9 C. 7 B. 1024 D. 1048
B. 3 D. 1
Page 1 of 5
WEEKLY EXAM #5 (ESAS) SET A

20. A farmer bought tractor costing ₱25,000 30. In molecules of the same composition,
payable in 10 semi-annual payments, each what are the variations of atomic
installment payable at the beginning of arrangements is known as?
each period. If the rate of interest is A. Polymers C. Isomers
26% compounded semi-annually, determine B. Monomers D. Crystal Systems
the amount of each installment
A. ₱5,280.90 C. ₱3,760.45 31. A self-employed engineer wants to get a
B. ₱3,890.30 D. ₱4,077.20 lump sum of 5M pesos when he retires at
the end of 25 years. How much is pesos
21. Conductors supplying two or more shall should he deposit every end of 3 months
have an ampacity equal to the sum of the in a fund that gives an interest of 10%
following current taring of all the compounded quarterly to satisfy his
motors plus ___ % of the highest rated desire?
motor in the group. A. ₱11559.39 C. ₱13559.39
A. 80 C. 25 B. ₱12559.39 D. ₱14559.39
B. 100 D. 125
32. The first of a certain equipment is
22. Which are NOT included in duties and ₱324,000 and a salvage value of ₱50,000
responsibilities of PRBEE at the end of its life of 4 years. If
A. Supervise and regulate the practice money is worth 6% compounded annually,
of electrical engineering in the find the capitalized cost.
Philippines A. ₱1,067,901.15 C. ₱1,267,901.15
B. Issue special permits to individual B. ₱1,167,901.15 D. ₱1,367,901.15
foreign electrical engineers and
electricians for specific projects 33. Find the resultant of vector A, 40 N
C. Perform such other functions and force pulling a body east, and vector B,
duties as may be necessary to implement 30 N force pulling the same body south.
effectivity of this act A. 40 N C. 35 N
D. All of these B. 10 N D. 50 N

23. What is the percentage by weight of 34. Subtract the base 10 number 2551 from
aluminum, Al, in alumina, Al2O3? (atomic (AB5) base 16. Express the answer in base
weight: Al= 27, O= 16) 10.
A. 50% C. 52% A. 190 C. 192
B. 51% D. 53% B. 191 D. 193

24. The coefficient of friction between a 35. The vector which represents the sum of a
load of sand and the bed of the dump group of force vectors is called the
truck in which it is carried is 1.1. At A. Magnitude C. Sum
what angle to horizontal does the truck B. Resultant D. Force Polygon
bed have to be tilted before the sand
starts to slide out? 36. Calculate the molality of solution
A. 32° C. 24° containing 0.500 mol of solute in 250 g
B. 48° D. 65° of solvent.
A. 1.50 m C. 1.75 m
25. A bank is advertising 9.5% accounts that B.2.00 m D. 2.25 m
yield 9.84% annually. How often is the
interest compounded? 37. What does PRBEE stands for?
A. monthly C. bi-monthly A. Philippine Regulating Board of
B. quarterly D. daily Electrical Engineering
B. Professional Regulatory Board of
26. W, X, and Y are Boolean variables. W and Electrical Engineering
X are inputs to an AND gate and its C. Philippine Regulatory Board of
output combines with Y in another AND Electrical Engineering
gate resulting in Z. What values of W and D. Professional Regulating Board of
X and Y will result Z = 1? Electrical Engineering
A. 1,0,1 C. 1,1,0
B. 1,1,1 D. 0,1,1 38. An archer aims his bow upward and pulls
the string on his arrow with a force of
27. Find the future amount of P12,000 after 80 N. The string makes an angle of 25°
12 years with an interest rate of 9% with the vertical. Find the tension of
compounded semi-annually. the string.
A. P33,272 C. P34,512 A. 44 N C. 39 N
B. P34,426 D. P36,186 B. 53 N D. 66 N

28. A loan is to be paid in 8 equal payments 39. Find the MW of HNO3 in g/mole.
for 2 years. If the interest rate is 12% A. 72 C. 73
compounded quarterly, find the amount of B. 61 D. 63
the loan if the quarterly payment is
P2,500. 40. What nominal rate, compounded semi-
A. P18,750 C. P17,550 annually, yields the same amount as 16%
B. P20,450 D. P19,250 compounded quarterly?
A. 15.43% C. 16.32%
29. Divide (1111) base 2 by (100) base 2. B. 12.75% D. 17.46%
Express the answer in base 2.
A. 11.101 C. 11.011
B. 11.110 D. 11.010
Page 2 of 5
WEEKLY EXAM #5 (ESAS) SET A

41. What would be the present value of 51. A central horizontal force of 1.4 N is
installment payments of ₱1,000 now, necessary to move a drum 900 mm in
₱2,000 at the end of the first year, diameter on a level surface. Assuming
₱3,000 at the end of second year, ₱4,000 that the coefficient of rolling
at the end of third year, and ₱5,000 at resistance is 0.635 mm, what is the mass
the end of fourth year, if the money is of the drum?
worth 10% compounded annually A. 111 kg C. 110 kg
A. ₱12,315.87 C. ₱11,717.85 B. 121 kg D. 101 kg
B. ₱14,115.76 D. ₱10,550.25
52. XYZ corporation is applying for a short
42. What is work-in-progress classified as? term loan. In reviewing XYZ
A. An asset C. An expense corporation’s financial records, bank
B. A liability D. Owner’s equity ABC finds a current ratio of 2.0, an acid
test ratio of 0.5, and an account
43. A simple beam 6 m long is carrying a receivable period of 70 days. What should
distributed load that varies linearly the banker do?
from 1 kN/m on the left end to 3 kN/m on I. Suggest that XYZ Corporation lower its
the right end. Find the reaction at the inventories
right end. II. Suggest that XYZ Corporation be more
A. 7 kN C. 4 kN aggressive in collecting on its invoices
B. 5 kN D. 6 kN A. I only C. Either I or II
B. II only D. Both I and II
44. Calculate for the exact simple interest
on ₱15,000 for the period from February 53. In 5 years, P18,000 will be needed to
12, to August 15, 2004 if the rate of pay a building renovation. In order to
simple interest is 12% generate this sum, a sinking fund
A. ₱909.84 C. ₱540.35 consisting of three annual payments is
B. ₱678.87 D. ₱887.65 established now. Find the amount of each
payment if money is worth 15% per annum.
45. What is the pH value of a solution with A. P2,670 C. P3,920
acetic acid concentration of 3.0 x 10^-6 B. P2,870 D. P5,100
M?
A. 6.85 C. 5.52 54. A project which involves the investment
B. 4.86 D. 7.32 of P100,000 now and P100,000 at the end
of 1 year. Revenues of P150,000 will be
46. What would be the value printed as a generated at the end of years 1 and 2.
result of the following instructions? Find the net present value of this
10 DEF FNA(X)=X**2+1/X project if the effective annual interest
20 PRINT FNA(2) rate is 10%.
30 END A. P48,270 C. P54,120
B. P66,180 D. P69,420
A. 3.2 C. 6.5
B. 4.5 D. 7.2 55. A byte is composed of how many bits?
A. 2 C. 6
47. What is the effective rate of interest B. 4 D. 8
for an 8% nominal annual rate of interest
compounded monthly? 56. Two men lift the ends of a 20 ft. beam
A. 8.24% C. 8.53% weighing 200 lb. onto their shoulders.
B. 8.30% D. 8.45% Both men are of the same height so that
the beam is carried horizontally, but one
48. A college student borrows $15,000 during is much the stronger of the two and
his senior year. It is to be repaid in wishes to bear 50% more of the weight
20 equal quarterly installations. The than his mate. How far from the end of
interest rate is 5% per year with the the beam should he put his shoulder?
first payment to be made 3 years after A. 2-½ ft C. 4-1/3ft
the date of the loan. What will be the B. 1-½ft D. 3-1/3 ft
approximate amount of the quarterly
payment? 57. If an appliance has a motor load of 12A
A. $968 C. $992 and a heating load of 15A, what is the
B. $984 D. $976 required ampacity of the branch circuit
conductors?
49. The disconnecting means for motor A. 35A C. 20A
circuits shall have an ampere rating of B. 25A D. 30A
at least 115% of the full load current
rating of the motor. 58. A pry bar is a device used to lift heavy
A. Manufacturing rule objects a small distance, usually in
B. Construction rule order to place a wheeled dolly under the
C. Wiring design rule object. It consists of a long rod that
D. Installation rule rests on a fulcrum a short distance from
the lifting end of the bar. Suppose the
50. It takes 30 s to download a document from fulcrum of a pry bar is 3 cm from the
the internet using a 28.8 k modem. What load, and the point where you push down
is the file size of the document in kB? on the other end is 1.5 m from the
A. 98 C. 91 fulcrum, what minimum force would you
B. 105 D. 112 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 69. What is the physical appearance of
101 base 2, express the answer in base sodium chloride?
10? A. Silver metal C. Yellowish gas
A. 19880 C.19200 B. White crystal D. White metal
B. 19280 D.19850
70. Supposed a man receives an initial
60. How is the capital recovery factor (A/P, annual salary of ₱60,000 increasing at a
i, n) related to the uniform series rate of ₱5,000 a year. If money is worth
sinking fund factor (A/F, i, n)? “i” is 10%, determine his equivalent uniform
the effective annual rate of return, and salary for a period of 8 years.
“n” is the number periods. A. ₱73,022.06 C. ₱76,022.78
A. (A/P, i, n) = (A/F, i, n) + I B. ₱74,022.66 D. ₱75,022.39
B. (A/P, i, n) = (A/F, i, n) – I
C. (A/P, i, n) = (A/F, i, n) / i 71. Two forces of 20 units and 30 units act
D. (A/P, i, n) = (A/F, i, n) + i / n at right angles. What is the magnitude
of the resultant forces?
61. E base 16 times 4 base 8 equals _____ A. 44 C. 24
base 2. B. 42 D. 36
A. 111011 C. 101111
B. 111000 D. 100111 72. A box is being pulled by a force of 20lb
exerted in a rope inclined 30° with
62. An investor wants to accumulate a horizontal. What is the effective
certain amount of money at the end of a component of the force pulling the box?
certain bank. If the bank pays an A. 15.89lbs C. 17.32lbs
interest rate of 6% compounded annually, B. 16.21lbs D. 18.12lbs
compute the present worth factor after
he accumulates a certain amount at the 73. A room air conditioner is to be attached
end of 8 years to an individual branch circuit. If the
A. 5.2098 C. 7.2098 load is 12A, what is the minimum size of
B. 6.2098 D. 8.2098 branch circuit required?
A. 15 A C. 8.7 A
63. What is the present value in pesos of a B. 13.8 A D. 9.6 A
perpetuity of ₱16,000 payable every end
of 3 months if money is worth 10%, 74. How is the material purchase price
compounded monthly variance defined?
A. ₱434,696 C. ₱634,696 A. (quantity purchased)(actual price) –
B. ₱534,696 D. ₱734,696 (quantity purchased)(standard price)
B. (quantity issued – standard
64. The circuit conductors between the final quantity)(standard price)
overcurrent device protecting the C. (actual price – standard
circuit and the outlet(s). price)(quantity used)
A. Feeder C. Branch circuit D. (quantity purchased – quantity
B. Service lateral D.Service conductor used)(actual price)

65. How is “molality” defined? 75. Second generation computers were based
A. The number of moles of solute in 1 L on ______.
of solution A. vacuum tubes C. silicon chips
B. The number of grams-equivalent B. transistors D. AI
weights of solute in L of solution
C. The number of moles of solute in 1000 76. Find the interest due on a P1,500 note
g of solvent for 4 years and 3 months, if it bears 12%
D. The number of gram-formula weights of ordinary simple interest.
solute per liter A. P765 C. P772
B. P727 D. P765
66. An economy is experiencing inflation at
the rate of 6% per year. An item 77. A cable which has a mass of 0.6 kg/m and
presently costs P1000. If the 6% is 240 m long is to be suspended with a
inflation rate continues, what will be sag of 24 m. Determine maximum tension.
the price of this item in five years? A. 1,488 N C. 1,836 N
A. $1,396.96 C. $1,338.23 B. 1,249 N D. 1,638 N
B. $1,370.09 D. $1,402.55
78. Mr. Bacani borrowed money from the bank.
67. What does FTTH mean? He received from the bank P1,842 and
A.Flexible to the House promise to repay P2,000 at the end of 10
B. Flexible to the Home months, determine the rate of simple
C. Fiber to the Home interest.
D. Fiber to the House 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 79. Which of the following are NOT examples
method the book value at the end of 7 of nonvolatile memory in the computer
years is found to be ₱125,099.60. What system?
is the salvage value of the equipment? A. Flash drives C. Optical disk
A. ₱60,000 C. ₱62,000 B. RAMs D. Hard drives
B. ₱61,000 D. ₱63,000

Page 4 of 5
WEEKLY EXAM #5 (ESAS) SET A

80. What is a protective device designated 92. Which of the following events will cause
to protect an individual against the optimal lot size, given by the
electric shock? classic EOQ model with no shortages, to
A. Circuit breaker C. Differential increase?
B. AFCI D. GFCI A. a decrease inventory carrying cost
B. a decrease in demand
81. Dalisay Corporation’s gross margin is 45 C. an increase in demand
percent of sales. Operating expenses D. either option a or c
such as sales and administrations are 15
percent of sales. Dalisay is in 40 93. Formula for calcium chloride.
percent tax bracket. What percent of A. CaCl2 C. CaCl
sales is their profit after taxes? B. Ca2Cl D. CaCl3
A. 18 C. 24
B. 5 D. 0 94. Which of the following statement is not
correct?
82. What mass in grams of solute is needed A. A nominal rate of 12% per annum
to prepare 3.50 L of 0.400 M NaOH? compounded quarterly is the same as (12%)
A. 54 C. 52 ÷ 4 = 3% per quarter
B. 56 D. 58 B. One dollar compounded quarterly at 3%
for n years has a worth of (1.03)4n
83. Which of the following does not threaten dollars
the operation of a computer? C. Compounding quarterly at a nominal
A. Trojan horse C. Firewall rate of 12% per year is equivalent to
B. Worn D. Hacking compounding annually at a rate of 12.55%
D. Effective rate of return in choices
84. Which of the following expressions is (A) through (C) is the difference between
incorrect? 12.55% and 12%
A. The future worth of a present amount,
(F/P, i, n) = 1 / (P/F, i, n) 95. Also known as PRC Renewal Law
B. The future worth of an annuity, (F/A, A. RA 8189 C. RA 7920
i, n) = 1 / (A/F, i, n) B. RA 8981 D. RA 184
C. (A/F, i, n) x (P/A, i, n) = (P/F, i,
n) 96. An engineer bought a machine for
D. (A/F, i, n) – i = (A/P, i, n) ₱500,000. Other expenses including
installation amounted to ₱30,000. At the
85. A load of 100 lbs is hung from the middle end of its estimated useful life of 10
of the rope, which is stretched between years, the salvage value will be 10% of
two rigid walls 30 ft apart. Due to the the first cost. Using straight line
load, the load sags 4 ft in the middle. method of depreciation, what is the book
Determine the tension in the rope. value after 5 years?
A. 165 lbs C. 194 lbs A. ₱256,400 C. ₱350,250
B. 173 lbs D. 149 lbs B. ₱291,500 D. ₱450,500

86. Find the octal equivalent of the 97. A man can exert a maximum pull of 1,000N
hexagonal number EE. but wishes to lift a new stone door for
A. 356 C. 365 his cave weighing 20,000N if he uses a
B. 653 D. 635 lever, how much closer the fulcrum be to
the stone than to his hand
87. A project that yields annual benefits of A. 10 times nearer C.10 times farther
₱75000 for 10 years with no salvage value B. 20 times farther D. 20 times nearer
is designed to have a benefit cost ratio
of 2. Determine the cost of project if 98. What is the allowable rating for branch
money is worth 10% overload protection if fuse is used for
A. ₱130,421 C. ₱330,421 a hermetic motor compressor with a rated
B. ₱230,421 D. ₱430,421 load current of 25 A?
A. 35 A C. 20 A
88. The coefficient of static friction for B. 15 A D. 30 A
steel on ice is 0.1. The force needed to
set 70-kg skater in motion is 99. GMC was created by the energy regulatory
A. 0.1 N C. 7 N commission to monitor the compliance of
B. 0.7 N D. 70 N the users of the Grid to the PGC. What
does the GMC stand for?
89. What is the minimum lighting load A. Grid Management Committee
required by PEC for an office measuring B. Generation Management Corporation
20m by 25m? C. Grid Market Commission
A. 6,000 VA C. 12,000 VA D. Generator Management Committee
B. 7,000 VA D. 14,000 VA
100. The total load on any overcurrent
90. How many grams are represented in 2.50 device located in a panelboard shall not
mol of H2O? exceed _____ of its rating where over of
A. 45 C. 43.9 a dc machine to ground.
B. 21.7 D. 32.7 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

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