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WorksheetsESAS 2021
Total questions: 142
Worksheet time: 1hrs 11mins
What physical property of a material that refers to the point at which a material liquefies on heating or solidifies on cooling?
A. curie point
B. Specific heat
C. Melting point
D. Refractive index
which of the following elements and components is reactive in its pure form?
A. CO2
B. He
C. HCl
D. Na
Which of the following formula is CORRECT for temperature conversion?
A. Tf = 5/9 Tc + 32
B. Tf = 9/5 Tc - 32
C. Tf = 9/5 Tc + 32
D. Tf = 5/9 Tc 32
what refers to the establishing interrelationships between people and things in such a way that human and material resources are effectively focused toward achieving the goal of the company?
A. planning
B. leading
C. organizing
D. controlling
How much should be put in an investment with 14% effective annual rate today to have P 12,000 in five years?
A. P 6,713.35
B. P 5,831.63
C. P 6,232.42
D. P 5,966.18
Who is the present Chairman of the Board of Electrical Enginnering?
A. Jaime Mendoza
B. Rodolfo Penalosa
C. Francis Mapile
D. Fortunato Leynes
Which of the following refers to the parallel axis theorem for second moment of area for strength of materials?
A. Maxwell theorem
B. Young's theorem
C. Steiner's theorem
D. Mohr's theorem
The mathematical expRession (1 ÷ 1) raised to n in Engineering Economics is referred to as the ____.
A. compounded value
B. interest factor
C. compound amount factor
D. future value
What annuity over a ten year period at 8% interest is MOST nearly equivalent to a present worth of P 100? (not sure may "???" as answer"
A. P 12.50
B. P 14.90
C. P 15.10
D. P 13.80
"The earth" best defines of which of the following term?
A. bonding
B. ground electrode
C. ground
D. ground conductor
What is the standardized communication technique for expressing instructions to a computer?
A. flow chart
B. programming language
C. algorithm
D. logic
Whar is the principle works in the hydraulic brakes of an automobile?
A. Bernoulli's law
B. Pascal's Law
C. Archimede's principles
D. Posieuillo's Law
What is another term for modulus of rigdity?
A. Modulus of elasticity
B. Young's modulus
C. Bulk modulus
D. Shear modulus
An adiabatic process is characterized by which of the following?
A. It is reversible.
B. The heat transfer is zero.
C. It is isothermal.
D. The entropy change is zero.
What is the potential difference between plates of a 40 IF capacitor whose charge is 70 IC?
A. 2.25 V
B. 2.50 V
C. 1.50 V
D. 1.75 V
HTTPS: is an identifier that appears at the beginning of most Web page. What does HTTP stands for?
A. Hypertime Text Process
B. Hypertext Transfer Protocol
C. Hypertext Transmission Process
D. Hypertext Time Protocol
Branch circuit conductors supplying a single motor shall have an ampacity of how many percent of its rated full-load current?
A. 100%
B. 115%
C. 150%
D. 125%
An economy is experiencing inflation at the rate of 6% per year. An item presently costs P 1000. If the 6% inflation rate continues, what will be the price of this item in five years?
P 1,306.96
B. P 1,370.09
C. P 1,338.23
D. P 1,402.55
A lamp placed 60 cm from a lens forms an image on a screen 30 cm away from the lens on the side opposite lamp. What is the focal length of the lens?
A. 15 cm
B. 10 cm
C. 20 cm
D. 25 cm
he PEC Part 1 2017 Edition is Intended as a design specification or instruction manual to qualified person.
I. True
II. False
A. Both I or II
B. Either I or II
C. II only
D. I only
An open system of First Law of Thermodynamics should be utilized for all the following EXCEPT _____.
A. a turbine
B. a piston-cylinder device with no inlet/exhaust valves.
C. a compressor
D. a nozzle
The hypoteneus of a right triangle is 35 m long and the length of the short sides is 23 m. Find the length of the other side.
A. 27.6 m
B. 24.5 m
C. 26.4 m
D. 28.0 m
which of the following in the thermodynamics is considered as the heat content of a system?
A. Internal Heat
B. Molar Heat
C. Entropy
D. Enthalpy
What is the classification of a turbine if the water moves along the vanes toward the axis of rotation of the runner? (not sure may "???")
A. Axial flow
B. Radial flow
C. Parallel flow
D. Mixed flow
What refers to the point in which bending moment changes sign through a zero value in strength of materials? (??? sa paper, pero sabi sa gugel ay)
A. Zero stress point
B. Critical point
C. Point of contraflexure
D. Point of inflection
What is the metal used to recover copper from a solution of copper sulphate?
A. Na
B. Fe
C. Hg
D. Ag
A friend suffering from the flu has a fever and her body temperature is 101.50F. What her temperature in oC?
A. 37.5oC
B. 38.6oC
C. 36.8oC
D. 35.7oC
Which one of these statements is TRUE for twinning? (sabi ni gugel)
A. It is the most significant form of plastic deformation.
B. It cannot be caused by impact or thermalstructures.
C. It occurs at lower shear stresses than slip.
D. It frequently occurs in hexagonal closed-packed structures.
Pedro who will inherit P 500,000 in three years has a savings account that pays 6% per year, compounded annually. What is the present worth of Pedro's inheritance?
A. P 413,924.55
B. P 425,806.83
C. P 419,809.64
D. P 431,918.80
What law of nature underpins the concept of a balanced chemical equation? may (???) not sure
A. Gay-Lussac law
B. Faraday's Law
C. Second law of Thermodynamics
D. First Law of Thermodynamics
How tall does a wall mirror have to be in order for you to see all of yourself in the mirror? Imagine you stand a distance "d" from the mirror and your height is "h" and L is the length of mirror required. T
A. L ニ 1/5 h
B. L + 1/4 h
C. L = 1/2 h
D. L = 1/3 h
What does does R. A. 9136 stand for?
Electrification Power Reform Act of 2001
Electric Power Industry Reform Act of 2001
Energy Power Reform Act of 2002
Energization Power Reform Act of 2001
An electric heater uses 8.0 A when connected across the 220V. Determine resistance.
32.5 ohm
27.5 ohm
25 ohm
30 ohm
The shape of the bending moment diagram over the length of beam, having no extenal load ls always _____? not sure ???
A. cubical
B. circular
C. parabolic
D. linear
An automobile tire with a volume of 0.6 m^3 is inflated to a gage pressure of 200 kPa. Find the mass of air in the tire if the temperature is 20 1/2C. (HINDI KO ALAM SAGOT)
A. 1.42 kg
B. 2.14 kg
c. 1.78 kg
D. 2.49 kg
The clearance between conductors and roof where the service conductors are passing over must be service conductors
A. 1000
B. 1500
C. 2000
D. 2500
Which of the following portion of hard disk space served as RAM?
A. cache
B. Random memory
C. Read-only memory
D. Virtual memory
What law states that for all adiabetic processes between two specified states of a closed system, the net work done is the same regardless of the nature of the closed system and the details of the process?
Fourth Law of Thermodynamics
cFirst Law of Thermodynamics
First Law of Thermodynamics
Third Law of Thermodynamics
The amount of property in which a willing buyer will pay to a willing seller for the property when nor sell is called neither one is under the compulsion to buy nor sell is called ____ value C
A. Goodwill
B. Second-hand
C. Market
D. Fair
If you are appointed as a division manager, which of the following task is MOST likely you will do?
determine the resources needed
develop strategies and tactics
set a standard
set goals
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 employees will received a P 10,000 bonus.
A. P 39,424.39
B. P 39,241.97
C. P 39,607.50
D. 39,791.28
How long will it take for an investment of P 5000 to grow to P 7500, if it earns 10% simple interest per year?
A. 7 years
B. 6 years
C. 5 years
D. 4 years
What is the UPS stand for?
A. Uninterrupting Power Supply
B. Uninterruptible Power Supply
C. United Power Supply
D. Uninterruptible Portable Supply
Based on Section 18 of the R.A. 7920, the minimum age requirement for qualifications of applicants for Registered Master Electricians Examination is at least years of age.
A. eighteen
B. nineteen years of age
C. twenty-one years of age
D. twenty years of age
Which of the following corresponds to the meaning of annuity?
A. A lump sum at the end of the year.
B. A series of uniforms amounts over a period of time
C. The future worth of a present amount.
D. An annual repayment of a loan.
An electric motor takes 5 A from a 220 V line. Determine the energy in kWh if the supplied to the motor in 2 hours.
2.2
1.5
4.1
3.4
What is the wavelength of the sound emitted by violin string vibration 500 times per second? Assume the velocity of sound to be 1,100 m/s.
2.0m
2.2m
2.4m
2.6m
What is the MOST nearly effective annual interest rate on a loan if the nominal interest rate is 98 per year compounded quarterly? A. 9.68% B. 9.84% C. 9.528 D. 9.318
A. 9.68%
B. 9.84%
C. 9.52%
D. 9.31%
A 3-kg rifle fires a 10-g bullet at a muzzle velocity 500 m/s. What is the recoil velocity of the rifle in meter per second?
A. 1.25
B. 1.11
C. 1.43
D. 1.67
A garden hose fills a 32 L wastebasket in 120 second. The opening at the end of the hose has radius of 1 cm. How fast is the water traveling as it leaves the hose in m/:
A. 0.63
B. 0.85
C. 0.50
D. 0.38
RA 9136 is ______.
A. Electric Power Industry Reform Act
B. Energy Power Isolation Reform Act
C. Electric Power Installation Reform Act
D. Energy Power Institution Reliability Act
Under a very slow deformation and a high temperature, it is possible to have some plastic to form in a crystal at a shear stress lower than the critical shear stress. What is the phenomenon called?
A. slip
B. twinning
C. creep
D. bending
What is the present worth of a P100 annuity starting on the end of year 3 and continuing to the end of year 4 if the annual interest rate is 88?
120
153
122
160
A 40kg-boy walks on a 60kg-log with the speed of 1.5m/s. What is the speed of the log with respect to the shore?
A. 1 m/s
B. 0.36 m/s
C. 0.4 m/s
D. 0.6 m/s
A Carnot engine operates between 250'F and 1200 F. What is the thermal efficiency?
79.17%
42.77%
B. 20.83%
57.23%
Convert 26 deg Celsius to the equivalent deg Fahrenheit
A. 68.8
B 78.8
C. 88.8
D. 98.8
he equation for converting temperature readings of deg Celsius to deg Fahrenheit is
A. Tr = ( 9/5 Te )+ 32
B. Tr = (5/9 Tc) + 32
C. Tr = 9/5 (Te - 32)
D. Tr = 5/9 (Tc - 32)
Find the depth of the water having a pressure of 1.01x105kPa at the bottom. (Pr20=1000 kg/cu. m.)
A. 12,400 m
B. 9,800 m
C. 10,300 m
D. 11,200 m
A 100kg-box is raised to a height of 10m in 10 minutes. What is the work done in raising the box?
A. 1800 J
B. 3800 J
C. 7800
J D. 9800 J
You accumulated P50,000 is debt. The credit card company charges 188 nominal annual interest compounded monthly. You can only afford to pay P1,000 per month. How much will you have to pay as interest?
A. P 23,111
B. P 33,111
C. P 43,111
D. P 53,111
A box is pulled across a horizontal, frictionless surface by a 200 N force at an angle of 30° A . What is the component of force in the direction of motion of the box?
A. 200 sin 30°
B. 200 cos 30°
C. 200 tan 30°
D. 200 cot 30°
The standard volume at STP of one mole is
A. 20.4 L
B. 22.4 L
C. 24.4 L
D. 26.4 L
What is the angular magnification of a simple magnifier of focal length 5 cm if it forms an image 25 cm from the eye?
2.5
4.0
5.0
7.5
Which cast iron is hard and wear resistant?
A. Gray iron
B. Ductile iron
C. White iron
D. Malleable iron
What is the efficiency of an Otto cycle with a compression ratio of 6:1? The gas used is air.
A. 0.167
B. 0.191
C. 0.488
D. 0.512
How many atoms are there in the unit cell of a body-centered cubic (BCC) structure?
1
2
3
4
What is another term for "acid-test ratio"?
A. Quick ratio
C. Current ratio
B. Price-earning ratio
D. Profit margin ratio
Consider a project which involves the investment of $100,000 now and $100,000 at the end of one year. Revenues of $150,000 will be generated at the end of years 1 and 2. What is the net present value of the project if the effective annual rate is 10%?
A. -$150,000
B. -$50,000
C. $43,500
D. $69,500
A device converts vertical line codes into computer readable information.
A. Scanner
B. Printer
C. Cash register
D. Barcode scanner
Find the amount of P30,000 at 6 percent simple interest after 5 years.
A. P38,000
B. P39,000
C. P41,000
D. P40,000
What type of thermodynamics system that allow energy to cross the system boundary but does NOT allow the mass to cross the boundaries of the system?
A. dynamics system
B. Open system
C. Closed system
D. statics system
s a projectile is thrown upward moves in its parabolic path, at what point along its path are the velocity and acceleration vectors for the projectile perpendicular to each other?
A. the launch point
B. the lowest point
C. nowhere
D. the highest point
Which of the following is the fastest method to transfer data wirelessly?
A. Standard infrared
B. Bluetooth
C. 802.11
D. General Packet Radio System (GPRS)
hat is the abbreviation for a binary digit?
BYTE
BID
BIT
BIN
The product of the binary equation 101*11 is equal to
1110
1010
1111
1011
Two switches in one box under one face-plate is called
A. two-way switch
B. double-pole switch
C. two-gang switch
D. double throw switch
What is the MINIMUM size in mm required for stainless steel rod as grounding electrode?
13
16
12
10
Mr. Cruz borrowed P 20,000.00 from a bank with 15% interest per annum, find the tota amount to be repaid at the end of two years.
A. P 24,664.75
B. P 23,000.00
C. P 25,720.90
D. P 26,150,00
Which of the following is the ONLY acceptable FORTRAN statement?
A. BI READ (5, 99) (TIME (X), X=1,10)
B. READ (5, 99) (TOTAL , N=1,20)
C. WRITE (6,101) (MATRIX (J, J=1,8)
D. DIMENSION Z (TEN)
The number 100101 base 2 is equivalent to octal ______.
25
45
37
54
The process of outsmarting the search engine.
A. Google Fooling
B. Rank Enhancement
C. Search Engine Optimization
D. Search Engine Hacking
A beam with rectangular cross-section with breadth of 20 cm. Determine the depth of the beam if the maximum shearing stress in the beam is 30 kg/cm' and V. = 10,000 kg.
25cm
23cm
20cm
30cm
What is the old Electrical Engineering Law?
RA 184
RA 814
RA 2136
RA 7920
If the velocity of the flow in a 2-cm radius hose is 1.2 m/s, what is the output velocity in a 0.5 cm radius jet issuing from a nozzle attached at the end of the pipe?
A. 0.192 m/s
B. 4.8 m/s
C. 0.3 m/s
D. 0.075 m/s
In sizing of wire, this is:
A. manufacturing rule
B. construction rule
C. wiring design rule
D. installation rule
What size in AWG should the wire be for 70 A overcurrent protection device?
4
5
6
7
A bar of uniform cross section is subject to a uniaxial tension and develops a strain in the direction of the force of 1/800. Calculate the change of volume per unit volume. Assume p = 1/3.
A.1/2400 (dec)
B. 1/2400 (inc)
C. 1/1200 (dec)
D. 1/1200 (inc)
Find the MW of HNO, in g/mole.
72
61
73
63
The ideal, reversible Carnot cycle involve four basic processes. What type of processes are they?
A. all isothermal
B. all adiabatic
C. two adiabatic and two isentropic
D two isothermal and two isentropic
A software that is commonly known as firmware.
OS
Cache Memory
BIOS
IO
Formula for calcium chloride.
A. CaC1 2
B. Ca2C 1
C. CaC1
D. CaC1 3
Sec. 17(b) of Art. III of RA 7920: Examination and Registration. Qualifications of Applicants for Registered Electrical Engineers, states that an applicant is at least be years of age.
21
22
23
24
Assuming i = annual rate of return, n = number of years, ~= future worth, and P = prepent, worth, what it. the future worth of a present amount P(F/P, 4. 0)
A. P(1 + 1)^n
A. P(1 + 1)^n-1
C. P(1 + 1)^-n
D. P(1 + n)^i
The plates of a parallel-plate capacitor are 10 cm square and 1.0 mm apart. Find its capacitance.
A. 78 pF
B. 98 pF
C. 87 pF
D. 89 pF
An object moving in a circle at a constant speed has an acceleration that is
A. in the direction of motion
B. toward the center of the circle
C. away from the center of the circle
D. zero
Find the amount of money you have to deposit in order to accumulate P1,500 per quarter for 10 years with an interest rate of 12l compounded quarterly.
A. P4,958.71
B. P4,598.71
C. P34,672.16
D. P36,472.16
A price tag of P1450 is paid in 70 days, but if paid within 35 days it will have a 5 percent discount. Find the rate of interest.
A. 52 percent
B. 15 percent
C. 54 percent
D. 36 percent
What is the common input device?
speaker
keyboard
mouse
LCD
Vinegar is solution of H0 and what acid?
sulfuric acid
acetic acid
phosphoric acid
Nitric acid
What is the effective annual interest rate on a loan if the nominal interest rate is 12 percent per year compounded quarterly?
A. 11.75 percent
B. 12 percent
C.12.25 percent
D. 12.55 percent
If a refrigerator uses 1.5 kJ to cool a 1 kJ input. What [was the heat transferred to
A. 1 kJ
B. 2 kJ
C. 0.5 kJ
D. 2.5 kJ
A motorcycle is moving in a semi-circular hill with 10-m radius of curvature. What should be the maximum velocity to prevent airbourne?
A.10.2 m/sec
B. 6.3 m/sec
C. 8.7 m/sec
D. 9.9 m/sec
What do you call the kind of wire used to bind the service drop to the service point?
A. Joint wire
B. Splice wire
C. Tie wire
D. None of these
Installations underground or in concrete slabs or masonry in direct contact with the earth.
A. Wet location
B. Dry location
C. Damp location
D. Moist location
Which of the following is very reactive in its pure form?
A. Na
B. He
C. HC1
D. COz
Find the am A. P 39,6751 punt of P 30,000 at 15 percent per annum after 2 years.
A. P 39,675
B. P 22,685
C. P 34,500
D. P 30,000
Find the initial deposit if you want to accumulate P 12,000 at the end of 6 years with an interest rate of 12 percent.
A. P 6,079.57
B. P 6,809.12
C. P 2,918.71 68.
D. P 3,328.92
Which doesn't have electric charge?
A. proton
B. electron
C. molecule
D. neutron
May is declared as the electrical safety month in virtue of signed by Pres. Benigno Aquino III last June 27, 2011 for the reason of informing the public of the real reason of faulty electrical wiring.
A. RA 7920
B. Proclamation no. 193
C. Proclamation no. 183
D. RA 184
What is the system programs used to translate directly an assembly language to machine language called
A. Compiler
B. Debugger
C. Interpreter
D. Assembler
Which location may be temporarily subject to dampness or wetness?
A. Dry
B. Damp
C. Moist
D. Wet
A leak from a faucet comes out in separate drops. Which of the following is the main cause of this phenomenon?
A. air resistance
B. gravity
C. viscosity of the fluid
D. surface tension
Two major types of chemical bonds are observed in chemical bonding ionic and covalent. Which of the following has a bond that is the least ionic in character?
A. Nacl
B. CH4
C. Н2
D. H20
A force causing a rise in liquid in tubes of small diameter
A. Cohesion
B. Surface tension
C. Capillarity
D. Adhesion
What is the absolute velocity of a real fluid at a surface?
A. the same as the bulk fluid velocity
B. the velocity of the surface
C. proportional to the smoothness of the surface
D. proportional to the kinematic viscosity of the fluid
In estimating the loading of a branch circuit, what loading shall be used for each receptacle?
A. 200 volt-ampere
B. 180 volt-ampere
C. 150 volt-ampere
D. 160 volt-ampere
What is the term for a deadlock situation that occurs when a program references a difference page for almost every instructions and there is NOT even enough real memory to hold MOST of the virtual memory?
A. Scanning
B. Thrashing
C. Handshaking
D. Paging
A current of 7 A passes through a 12 ohm resistor. What is the power dissipated in the resistor in horsepower/s?
A. 0.59
B. 0.79
C. 84
D. 588
In rigid metallic conduit, the minimum electrical trade size is
20
25
15
32
What is the metal used to recover copper from a solution of copper sulphate?
Na
Ag
Hg
Fe
Which of the following is the basis for Bernoulli's law of fluid flow?
A. principle of conservation of mass
B. principle of conservation of energy
C. continuity equation
D. Colebrook equation
Under what conditions is mass conserved in fluid flow?
A. The fluid is baratropic
B. the flow is isentropic
C. the flow is adiabatic
D. It is always conserved
Which of the following does not threaten the operation of a computer
A. Trojan horse
B. Worm
C. Firewall
D. Hacking
The critical points for a mixture occurs for which of the following cases?
A. The vapor and liquid have a single form
B. The liquid has no absorbed gas.
C. The vapor phase is stable.
D. The liquid is completely vaporized.
Occupational Safety and Health Standards (OSHS) Rule ____ Electrical Safety
A. 1410
B. 1140
C. 1210
D. 1120
What is the color of the conductor used as a neutral?
A. orange
B. yellow
C. white
The Philippine Electrical Code is passed on the Board of Electrical Engineers last November 2017. The Philippine Electrical Code 2017 is Board Resolution number series of 2017.
16
14
20
18
Which of the following is an instruction that causes data to be brought from memory into an accumulator register?
A. FETCH
B. LOOP
C. LOAD
D. JUMP
Which of the following metals has the highest specific heat capacity at 100 deg C?
A aluminum
B. silver
C. copper
D. iron
Recognizable as suitable for the specific purpose, function, use, environment application, where described in a particular Code requirement.
A. listed
B. labeled
C. approved
D. identified
If P 500 is invested at the end of each year for 6 year at an effective annual interest rate of 78, what ios MOST nearly the total peso amount available upon the deposit of sixth payment?
A. P 3,000
B. P 4,260
C. P 3,580
D. P 3,210
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?
118 kPa
181 kPa
125 kPa
152 kPa
In a combustion chamber, fuel is burned to raise the temperature of the medium prior to production of work through an expansion process. combustion reaction is the The heat generated during the
A. heat of formation
B. specific heat
C. heat of vaporization
D heat of reaction
ganda ba si june pearl santos ulip?
YES YES YES
OMCM BARABIDA OMCM
WHY NOT COCONUT
OFCOURSE SHEYT 10000% NO CAP FR FR TBH
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 the two sides of 20 degree C
A. 3,125
B. 213
C. 0.048
D. 8,333
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 bonds between atoms
How is "Molality" defined?
A. the number of moles of solute in 1 L of solution
B. the number of gram-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
Which of the following defined the reverse process to the ionization energy. It is energy change (often expressed in eV) associated with an isolated gaseous atom accepting one electron?
A. composition
B. electron affinity
C. crystallization
D. reverse ionization
The total load on overcurrent device located in a panelboard shall NOT exceed a certain percentage of its rating. What is this percentage?
A. 120%
B. 90%
C. 100%
D. 80%
Which of the following refers to the branch of computer science that is concerned making computers behave and "think" like humans?
A. Intelligence Network
C. Neural Network
B. Artificial Intelligence
D. Robotics Science
What are considered as the "building blocks" for engineering materials?
Atoms
Elements
Matters
Compounds
PAPASA AKO
YEEEESSSSSSSSSSSSSSSSSSSSSSSSSSS
maybe
magbibilyar na lang ako
i believe OO SYEMPRE NAMAN ENGINEER IN FEW DAYS <33
