ESAS 2019
1. What can you say about the following statement regarding centrifugal pumps?
“The discharge of the centrifugal pumps can be throttled without the
building up an excessive pressure or overloading its driving unit.”
I.
True
II. False
a. either I or II
c. II
b. both I and II
d. I
2. Based in Section 18 of the R.A. 7920, the minimum age requirement for
qualification of applicants for Registered Master Electricians Examinations
is at least
years of age.
a. eighteen
c. twenty-one
b. nineteen
d. twenty
3. What are the basic lens formulas?
a. 1/Di = 1/F + Do; So/Si = Do/Di
c. 1/Di = 1/F + Do; Si/So = Do/Di
b. 1/Di + 1/Do = 1/F; So/Si = Di/Do
d. 1/Di + 1/Do = 1/F; So/Si = Do/Di
4. A description of the arrangements of atoms or ions in a material is called
a. mixture
c. component
b. composition
d. structure
5. Which of the following is qualified as the Chairman of Continuing
Professional Development Council for Electrical Engineering?
a. Representative from Association of Professional Organization
b. PRBEE board member
c. Representative from Academy
d. PRC Commissioner
6. Which of the following is NOT a unit of work?
a. N-m
c. dyne
b. erg
d. kg-sq. m/sq. sec
7. A young electrical engineer borrowed money P at 12% interest and paid P2,000
per annum for the last 4 years. What does he have to pay at the end of the
fifth year in order to pay off his loan?
a. P 6,222.39
c. P 6,292.93
b. P 6,999.39
d. P 6,922.93
8. What is the UPS stand for?
a. uninterrupting power supply
c. united power supply
b. uninterruptible power supply
d. uninterruptible portable supply
9. An interest rate of 10% compounded semi-annually is equivalent to how many
percent compounded quarterly
a. 10.852 %
c. 8.901 %
b. 9.878 %
d. 7.922 %
10.
The Central Processing Unit of computer is a combination of
.
a. arithmetic logic and input unit
c. arithmetic logic and control unit
b. control and storage
d. control and input unit
11.
Convert the binary number 10101 to decimal number.
a. 25 c. 10
b. 18
d. 29
12.
Which of the following statement/s about sound is/are true?
I.
All sounds are produced by the vibration of bodies.
II. Sound cannot travel through a vacuum.
III. Sound can be transmitted through some material.
a. I and II
c. I and III
b. I, II, and III
d. II and III
13.
A piston cylinder contains air at 600 kPa, 290 K and a volume of 0.01
m^3. A constant pressure gives 54 kJ of work out. Find the final temperature
of the air, in K.
a. 26,390
c. 2,900
b. 2,639
d. 3,225
14.
What is the MAXIMUM distance from the flooring to the receptacle
outlet in dwelling unit in mm?
a. 2500
c. 1500
b. 1800
d. 2800
15.
The focal length on a camera with a zoom lens can vary from 35 mm to
120 mm. You photograph a very a distant object 2 m tall, first using the 35
mm focal length and then using the 120 mm. What is the approximate ratio of
the sizes of the two images?
a. 3.2
c. 4.8
b. 3.4
d. 4.6
16.
A new engine design incorporates a piston that contains 0.60 kg of
steel (specific heat = 470 J/kg*K) and 1.2 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?
a. 192.36 kJ
c. 198.84 kJ
b. 205.520 kJ
d. 185.78 kJ
17.
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 2,650
c. P 2,800
b. P 2,450
d. P 2,900
18.
A volume of 450 cu. cm of air is measured at a pressure of 740 mmHg
absolute and a temperature of 20oC. What is the volume in cu. cm at 760 mmHg
absolute and 0oC?
a. 408.25
c. 375.85
b. 516.12
d. 620. 76
19.
The position of a vertical piston-cylinder device containing a gas has
a mass of 60 kg and a cross-sectional area of 0.04 sq. m. The local
atmospheric pressure is 0.97 bar, and the gravitational acceleration is 9.81
m/sec^2. Determine the pressure in bar inside the cylinder.
a. 1.23
c. 1.12
b. 1.01
d. 0.94
20.
What refers to a slender member which prevents parts of a structure
moving to each other under compressive force?
a. tie
c. arch
b. column
d. strut
21.
The leaning tower of Pisa is 54.5 m tall. Supposedly Galileo
investigated the behavior of falling objects by dropping them from the top
of this tower and timing their descent. How long in seconds would it take an
object to fall 54.5 m if air effects are negligible?
a. 3.48
c. 34.8
b. 33.3
d. 3.33
22.
What does R.A. 9136 stand for?
a. Electric Power Industry Reform Act of 2001
b. Electrification Power Reform Act of 2001
c. Energy Power Reform Act of 2001
d. Energization Power Reform Act of 2001
23.
Three capacitors C1 = 2 µF, C2 = 3 µF and C3 = 5 µF are connected as
C1 in series to C2 and C1 and C2 are in parallel to C3. What is the
equivalent capacitance of this arrangement in µF?
a. 2.5
c. 5.2
b. 2.6
d. 6.2
24.
Materials in this group are composed of one or more metallic elements
such as iron, aluminum, copper, titanium, gold, and nickel. What is this
group called?
a. metals
c. solids
b. metalloids
d. crystals
25.
Consider a project that involves the investment of P 100,000 now and P
100,000 at the end of the year 1. Revenues of P 150,000 will be generated at
the end years 1 and 2. What is MOST nearly the net present value of this
project of the effective annual interest rate is 10 %?
a. P 58,400
c. P 69, 500
b. P 80,400
d. P 77,500
26.
Where receptacles are connected to a 30-A branch circuit, the maximum
allowable cord and plug connected load shall NOT be more than
A.
a. 24
c. 30
b. 26
d. 34
27.
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 external monitor is not compatible.
c. The new card is not DVI compatible.
d. The incorrect drivers are installed.
28.
What will P 1,000 be worth after three years if it earns interest at
the rate of 5 % compounded annually?
a. P 1,190.38
c. P 1,175.00
b. P 1,157.63
d. P 1,150.00
29.
In Rigid Metal Conduit (RMC) wiring, conduits shall be supported at
least every
mm.
a. 1500
c. 3000
b. 2000
d. 1000
30.
Section 23 of Article III of RA 7920 – Issuance of Certification of
Registration. The professional is required to renew every
year/s upon
payment of the registration fee.
a. three
c. six
b. two
d. five
31.
When installing the heatsink back into a computer after replacing a
failed processor, which of the following must be done during installation?
a. Thermal compound must be installed between the processor and the
heatsink.
b. Thermal compound must be installed between the processor and the system
board.
c. An isopropyl alcohol pad must be placed between the processor and the
heatsink.
d. An isopropyl alcohol pad must be placed between the processor and the
system board.
32.
If you lie between on the bottom of a swimming pool and look up, you
can see the entire world by looking up from the vertex of a cone half angle
θ. For water n = 1.33 index of refraction. What is the angle θ?
a. 42.7o
c. 41.2o
o
b. 48.8
d. 47.3o
33.
The unit of joule can be converted to which of the following?
a. Pa*m2
c. Pa*m3
b. N-kg
d. Pa/m2
34.
Which of the following computer program is NOT considered open-source
software?
a. Firefox
c. Linux
b. Microsoft Office
d. OpenOffice.org
35.
The total load current on overcurrent device located in a panelboard
shall NOT exceed a certain percentage of its rating. What is this
percentage?
a. 120 %
c. 100 %
b. 90 %
d. 80 %
36.
Find the rate of conduction heat transfer in W/m^2 through a 1.5 cm
thick hardwood board. k = 0.16 W/m-K, with a temperature difference between
two sides of 20 degree C.
a. 3,125
c. 0.048
b. 213
d. 8,333
37.
A piston cylinder contains 3 kgs of air 20oC and 300 kPa. It is now
heated up in a constant pressure process to 600 K. Find the work in process,
in kJ when R = 0.287.
a. 275
c. 282
b. 253
d. 264
38.
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 what two sides of the screen may be equally illuminated?
a. 15 ft
c. 20 ft
b. 12 ft
d. 10 ft
39.
What are the Van der Waals forces?
a. primary bonds between atoms
b. forces not present in liquids
c. forces between electrons and protons
d. weak secondary forces between atoms
40.
A typical jet fighter plane launched from an aircraft carrier reaches
a take-off speed of 175 mi/h in a launch distance of 310 ft. How long in
seconds does it take to launch the fighter?
a. 2.4
c. 2.8
b. 3.3
d. 3.9
41.
In a combustion chamber, fuel is burned to raise the temperature of
the medium prior to production of work through an expansion process. The
heat generated during the combustion reaction is the .
a. heat of formation
c. heat of vaporization
b. specific heat
d. heat of reaction
42.
Eighty grams of brass (specific heat 0.092 cal/g-K) at 292 degrees C
is added to 200 g of water (specific heat 1 cal-K) at 14 degrees C in an
insulated container of negligible heat capacity. What is the final
temperature in degree C?
a. 29.3
c. 23.5
b. 23.9
d. 25.3
43.
Which of the following do you called the brain of any computer system?
a. arithmetic logic unit
c. random access memory
b. central processing unit
d. control processing unit
44.
What is the term used when an American citizen is allowed to practice
his profession, e.g., electrical engineering profession, here in the
Philippines?
a. APEC registry
c. Foreign Reciprocity
b. ACPE registry
d. ASEAN Engr
45.
How many times the diameter of the largest raceways shall the length
of the box be in straight pulls?
a. 6
c. 8
b. 4
d. 10
46.
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
.
a. 2017
c. 2008
b. 2011
d. 2014
47.
Pedro won Php 10,000,000 in the lottery. Unfortunately, the lottery
commission will not pay him the entire amount now. Instead, they will pay
him Php 500,000 each year for the next 20 years, starting at the end of the
first year. What is the present worth of Pedro’s winnings?
a. Php 3,547,318
c. Php 5,000,000
b. Php 4,256,782
d. Php 867,769
48.
Given a free-falling body with air resistance neglected, if the final
position of the body travelled is four times its initial position, by what
factor does the velocity of the body increase?
a. twice
c. four times
b. half
d. same
49.
A printed circuit board that has (at least) slots to connect cards
into. Often, they also include CPU and memory is called
.
a. mainframe
c. motherboard
b. IDE port
d. server
50.
What is the metal used to recover copper from a solution of copper
sulphate?
a. Ag
c. Fe
b. Hg
d. Na
51.
Which of the following is/are hazardous practice/s?
a. using equipment improperly
b. failure to warn or secure
c. All of these
d. Horseplay
52.
The modulus of rigidity of a steel member is
.
a. defined as the length divided by the moment of inertia
b. defined as the unit shear stress divided by the unit shear deformation
c. equal to the modulus of elasticity divided by one plus Poisson’s Ratio
d. a function of the length and depth
53.
What is the reason why incidents are investigated?
a. To prevent or control a future recurrence on a similar incident.
b. To determine the causes of incident
c. To gather evidence of the incident
d. To determine who is at fault in the incident
54.
A woman stands on a bathroom scale in an elevator what is not moving.
The scale reads 450 N. The elevator then moves downward at a constant
velocity of 4.5 m/s. What does the scale reads while the elevator descends
with constant velocity?
a. 450 N
c. 225 N
b. 250 N
d. 500 N
55.
Which law that for a confined fluid, the pressure at a point has the
same magnitude in all directions?
a. Pascal’s Law
c. Avogadro’s Law
b. Bernoulli’s Theorem
d. Amagat’s Law
56.
Which of the following treatments will result in an increase in the
fatigue strength of the steel?
a. shot peening
c. cold working
b. surface roughening
d. annealing
57.
A garden hose fills a 32 L wastebasket in 120 seconds. The opening at
the end of the hose has radius of 1 cm. How fast is the water travelling as
it leaves the hose in m/s?
a. 0.63
c. 0.50
b. 0.85
d. 0.38
58.
Which of the following is the basic symbol used as a beginning or
termination on logic diagram or flowcharts?
a. square box
c. rectangular box
b. oval symbol
d. diamond box
59.
You are thinking about retirement and you are considering investing
money each month so you will have Php 1,000,000 in 30 years. If the nominal
annual interest is 8 % and the interest is compounded monthly, what is the
amount of monthly investment?
a. Php 780.95
c. Php 690.70
b. Php 670.98
d. Php 750.89
60.
A 3-kg rifle fires a 10-g bullet at a muzzle velocity 500 m/s. What is
the recoil velocity of the gun in meter per second?
a. 1.25
c. 1.43
b. 1.11
d. 1.67
61.
What is the transfer of heat due to motions of a fluid near the
surface of an object?
a. insulation
c. convection
b. radiation
d. conduction
62.
Objects that emit their own light are called
bodies.
a. solar
c. photovoltaic
b. luminated
d. illuminated
63.
What is the change in length (in cm) of a steel bar that is heated to
125oC, where coefficient of expansion for steel = 12 microcm/cm/oC and length
= 3 m. 0415?
a. 0.15
c. 0.45
b. 0.79
d. 0.55
64.
What form of software can be also called firmware?
a. cache memory
c. system BIOS
b. operating system
d. random memory
65.
In a mixed gas such as air, the rms speed of different molecules are
.
a. proportional to molecular mass
b. independent of molecular mass
c. proportional to square root of molecular mass
d. inversely proportional to square root of molecular mass
66.
Divide (1111) base 2 by (100) base 2. Express the answer in base 10.
a. 11.101
c. 11.110
b. 11.010
d. 11.011
67.
Which of the following is a ground for disqualification of the
applicant for REE licensure examination?
a. has been finally convicted by the court of an offense involving moral
turpitude
b. good reputation with low moral values
c. citizen of the Philippines
d. at least twenty-one (21) years of age
68.
An electrical equipment is purchased at a cost of Php 10,000. It has a
ten-year life and a salvage value of Php 500. What is the straight-line
depreciation?
a. Php 950
c. Php 800
b. Php 900
d. Php 850
69.
Under which of the following type of loading does the fatigue occur?
a. repeated load
c. static load
b. plane load
d. high load
70.
Find how much should be put in as investment with 12 % percent
effective annual rate of interest today to have a P 12,000 in five years?
a. P 7,121.42
c. P 6,513.12
b. P 6,078.57
d. P 6,089.12
71.
A 20-microfarad capacitor is connected to a source of potential
difference of 230 V. What is the resulting charge on the capacitor?
a. 4.8x10^-3 C
c. 4.6x10^-3 C
b. 4.2x10^-3 C
d. 4.4x10^-3 C
72.
Which of the following is TRUE for a propeller-type impeller
centrifugal pump?
a. The head developed is due to the push of the vanes and flow is almost
entirely axial.
b. The head developed cannot be determined by the rotation of the vanes.
c. The head developed is due to the rotation of the impeller.
d. The head developed is due to the action of the centrifugal force.
73.
What is the MOST nearly effective annual interest rate on a loan if
the nominal interest rate is 9 % per year compounded quarterly?
a. 9.68 %
c. 9.52 %
b. 9.84 %
d. 9.31 %
74.
What is the heaviest subatomic particle?
a. electron
c. atom
b. proton
d. neutron
75.
What is the gas present in the atmosphere which filters out the sun’s
ultraviolet light and provides an effective shield against radiation damage
to living things?
a. helium
c. oxygen
b. methane
d. ozone
76.
What percent of human body is carbon?
a. 25 %
c. 15 %
b. 18 %
d. 20 %
77.
In printing your document in the computer, what is the default mode?
a. page view
c. page set-up
b. landscape
d. portrait
78.
What refers to the measure of disorder present in a given substance or
system?
a. enthalpy
c. heat capacity
b. entropy
d. molar heat
79.
Which of the following is NOT a hazardous practice?
a. using the right tools/equipment
b. using improvised tools
c. service equipment in motion
d. operating without authority
80.
What is the wave length of the sound emitted by a violin string
vibrating 500 times per second? Assume the velocity of the sound to be 1,100
m/s.
a. 2.0 m
c. 2.4 m
b. 2.2 m
d. 2.6 m
81.
Which of the following insulation color identify the grounded
conductor of a branch circuit?
a. black
c. yellow
b. green
d. white
82.
An electric motor takes 5 A from 220 V line. Determine the energy in
kWh supplied to the in 2 hours.
a. 2.2
c. 4.1
b. 1.5
d. 3.4
83.
What is the percent composition by mass of oxygen (O) element in
sulfuric acid (H2SO4)? H = 1.008 amu, S = 32.07 amu and O = 16.00 amu
a. 65.25 %
c. 62.25 %
b. 34.75 %
d. 32.37 %
84.
Which of the following corresponds to the meaning of annuity?
a. A lump sum at the end of the year.
b. A series of uniform amounts over a period of time.
c. The future worth of a present amount.
d. An annual repayment of a loan.
85.
A 0.15 m diameter pipe discharges into a 0.10-m diameter pipe.
Determine the velocity head (meters/s) in the 0.10-m diameter pipe if the
pipes are carrying 0.12 m^3/s of kerosene.
a. 10.39
c. 10.48
b. 10.93
d. 10.84
86.
A rigid container is heated by the sun. There is NO shaft work
associated with the container. Form the first law of thermodynamics, what is
the resulting work equal to?
a. the change in internal energy
b. zero
c. the heat transfer
d. d. the volume times the change in pressure
87.
As specified by the Energy Regulatory Commission, a contestable
costumer is a costumer with a demand of at least
MW.
a. five
c. one
b. two
d. three
88.
At what interest rate is P 500 one year ago equivalent to P 600 today?
a. 20 %
c. 18 %
b. 23 %
d. 17 %
89.
The general manager of the distribution utility wishes to give each of
50 employees a holiday bonus. Calculate the amount needed to invest monthly
for a year at 12% nominal monthly, so that each employee will receive a P
10,000 bonus.
a. P 39,424.39
c. P 39,607.50
b. P 39,241.97
d. P 39,791.28
90.
What is the device used to determine the specific gravity of the
liquids?
a. psychrometer
c. manometer
b. hydrometer
d. Venturi meter
91.
A reservoir dam holds an 8 sq. km lake behind it. Just behind the dam,
the lake is 12 m deep. What is the water pressure at the base of the dam?
a. 118 kPa
c. 125 kPa
b. 181 kPa
d. 152 kPa
92.
In the periodic table of elements, which one of the following is light
metal?
a. potassium
c. silver
b. mercury
d. gold
93.
Which of the following statement is FALSE?
a. Steady flows do not change with time at any point.
b. The Navier-Stokes equation is the equation of motion for a viscous
Newtonian fluid.
c. Bernoulli’s equation only holds on the same streamline.
d. The Reynolds number is the ratio of the viscous force to the inertial
force.
94.
Which is more desirable?
I.
Investing P 2000 at 6 % per year compound interest for three years
II. Investing P 2000 per year simple interest for three years
a. II
c. I
b. Either I or II
d. Both I and II
95.
What is the metal used to recover copper from a solution of copper
sulphate?
a. Fe
c. Ag
b. Na
d. Hg
96.
The gauge pressure in a car tire is 305 kPa when its temperature is
15oC. After running at high speed, the tire has heated up and its pressure
gauge is 360 kPa. What is the temperature of the gas in the tire? Assume
atmospheric pressure to be 101 kPa.
a. 42oC
c. 59oC
o
b. 54 C
d. 47oC
97.
A student borrows P 50,000 from his uncle on order to finish school.
His uncle agrees to charge him simple interest of 5.5 % per year. Suppose
the student waits two years and then repays the entire loan. How much will
he have to pay?
a. P 55,500
c. P 63,500
b. P 60,500
d. P 52,500
98.
A home experimenter wants to make a one-ohm resistor from 1mm diameter
carbon rod from a mechanical pencil. What length of the rod does the
experimenter needs if the resistivity of carbon is 3.5x10^-5 ohm-meter?
a. 22.44 mm
c. 22.44 cm
b. 24.44 cm
d. 24.44 mm
99.
How long will take for an investment of P 5000 to grow to P 7500, if
it earns 10 % simple interest per year?
a. 7 years
c. 5 years
b. 6 years
d. 4 years
100.
What is the MAXIMUM number of overcurrent devices for a lighting and
appliance that can be installed in a single cabinet?
a. 36
c. 24
b. 42
d. 48
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