Electronics Engineering Technology

Common rating of Silicon Unilateral Switch and Silicon Bilateral Switch

• 0.3 V
• 0.7 V
• 5 V
• 8 V

These are semiconductors in which intentionally impurities are added to make the element conductive.

The application of external voltage across the two terminals.

• Bias

If the arrow of crystal diode symbol is positive with respect to the bar, the the diode is in what condition?

• No Bias
• Forward Bias
• Reverse Bias
• None of the above

If a diode is forward biased,

• its state is automatically on
• its state is automatically off
• its state depends on the bias voltage
• its state depends on its diode type

Which of the following elements doesn't belong to the group?

• As
• P
• Sb
• Al

Which of the following statement/s is/are false?

In electrical engineering, AC stands for...

• Attentive Current
• Alternative Course
• Alternating Current
• Alternative Current

What is the largest discipline of Engineering?

• Electrical Engineering

What happens when a p-n junction is forward biased?

• a depletion region is formed
• ions start to build up at the p-n junction
• current starts to flow
• electrons and holes disperse away from each other

In a silicon bilateral switch, gate terminal can be used to turn off the device.

• True
• False

Foreign pre-qualifications for board exam.

• Reciprocity Law
• Immigration
• Citizenship
• All of the Above

UJT in terms of junction's location is not symmetrical.

• True
• False

The Consumer Act.RA number only.

• 9292
• 5734
• 7394
• 8293

Apply scientifically the principles of chemistry, physics, and engineering to design an operation of plants for the production of materials that undergo chemical changes during their processing

• Civil Engineering
• Chemical Engineering
• Electrical Engineering
• Mechanical Engineering

Fill in the blank__________ ___________ is a discipline that studies the design, and application of equipment, devices, and systems that use electricity, electronics, and electromagnetism. ​

• Electrical Engineering

When a PN junction is connected to any external bias, it is considered in thermal equilibrium condition.

• True
• False

In a forward bias condition, when the applied voltage is more than the potential barrier of this PN junction the resistance that is offered by the depletion region negligible.

• True
• False

In a PUT, the cathode can be biased to a desired voltage with an external voltage divider, so that when the anode voltage exceeds this “programmed” level, the PUT turns on.

• True
• False

Which law refers to the “Electronic Commerce Act of 2000”?

• R. A. 7925
• E.O. 59
• R. A. 8792
• R. A. 5734

The process of sending and/or receiving information, data, signals and/or messages between two (2) or more points by radio, cable, optical wave guides or other devices and wired or wireless medium.

• Communications
• Information and Communications Technology
• Broadcasting
• Telecommunications

Why Si diodes are more preferred in the manufacture of semiconductor devices?

• it is more abundant
• it has lower peak inverse voltage
• it has higher electron mobility
• all of the above

What is Aerospace Engineering?

• the discipline of engineering that is associated with the development, manufacture and testing of bridges, roads, airports, and services.
• the discipline of engineering that is associated with the design, manufacture and testing of land-based vehicles and transportation​
• the main field of engineering which is concerned with the design, manufacture and development of aircraft and spacecraft.​

Operation of CATV systems in the Philippines.

• EO 542
• EO241
• EO 205
• EO 123

Which of the following is required in determining the charging period of a unijunction transistor?

• Resistor connected to supply, Capacitor, Supply Voltage, Valley and Peak Voltage Values
• Resistors connected to supply and emitter, Capacitor, Supply Voltage, Valley and Peak Voltage Values
• Internal Resistance, Resistor connected to emitter, Valley Voltage and Peak Voltage Values
• Supply Voltage and Intrinsic Stand-off Ratio

How old am I? (type number only)

• 30

For an ideal UJT, the emitter firing potential is equivalent to the intrinsic stand-off ratio multiplied by the supply voltage.

• True
• False

What is the oldest discipline of Engineering?

• Civil Engineering

The main function of this additional electrode is to prevent electrons from bouncing back to the plate and to lessen the occurrence of secondary emission.

• control grid
• suppressor grid
• screen grid
• anode

What is that?

• breadboard

Positive Temperature Coefficient means

• resistance increase as temperature decreases
• conductance increases as temperature increases
• resistance decreases as temperature increases
• conductance decreases as temperature temperature increases

Creation of PRC.

• PD 223
• EO 214
• PD 576
• EO 220

Operation of Cable Television.

• EO 524
• EO 123
• EO 120
• EO 255

Radio Control Law in the Philippines.

• RA 3852
• RA 3866
• RA 3846
• RA 8762

The structure of UJT is very much similar to an N-channel JFET.

• True
• False

There are three divisions to an electronics system, an example of which is a television ......

• box
• case
• kit
• set

What is formed when a dielectric is placed between two parallel conductors?

• capacitance
• resistance
• conductance
• electromotive force

The rapid modern advancement of electronics began in ..... with the introduction of the radio.

• earnest
• enthusiasm
• secret
• sincerity

According to this law, the sum of voltages on a closed loop is equal to zero.

• Ohm's Law
• Kirchhoff's Current Law
• Kirchhoff's Voltage Law
• Maxwell's Mesh Current Analysis

Household appliances that use DC include:

A low power, low current device.

• Silicon Controlled Rectifier
• Silicon Controlled Switch
• Silicon Unilateral Switch
• All of the above

These symbols represent...

• General and Specific Tolerances
• Radio waves
• Alternating Current and Direct Current
• Different line types for engineering drawings

Computer Engineering is sub-discipline of what Engineering?

• Electrical Engineering
• Mechanical Engineering
• Civil Engineering
• Chemical Engineering

These are materials that have a conductivity between a good conductor and an insulator.

• Semiconductor
• Conductors
• Insulators
• Diodes

What is that?

• breadboard
• printed circuit board (PCB)
• integrated circuit (chip)
• logic integrated circuit chip

In what section of RA 9292 refers to the Reinstatement, Re-issuance or Replacement of Certificate of Registration and Professional Identification Card?

• Section 22
• Section 24
• Section 27
• Section 31

Which of the following is not a feature of computer programming?

• Commands
• Rules
• Functions
• Algorithms

These are materials that have no current carrying capacity.

• Semiconductor
• Conductors
• Insulators
• Diodes

Which is the determining factor for triggering of SUS and SBS?

• Anode gate
• Cathode Gate
• Silicon Diode
• Zener Diode

Electronic circuits are mainly used to control, process and distribute information, and for the ..... and distribution ofelectric power.

• commutation
• contamination
• conversation
• conversion

Second, processing circuits inside the TV ..... the brightness, colour and audio data from this signal.

• contract
• detract
• extract
• retract

What is formed when an n-type and a p-type semiconductor are fused together?

• p-n junction
• ion barrier
• covalent bond
• electron flow

Scratch is an example of basic...

• Computer engineering
• Software engineering
• Electronics engineering
• Technical engineering

What section of RA 9292 describes the Separability Clause?

• Section 39
• Section 40
• Section 41
• Section 42
• Section 43

What is the lightest subatomic particle?

• neutron
• nucleus
• proton
• electron

According to Shockley's equation, how can we determine the thermal voltage?

• the product of Boltzmann's constant and absolute temperature divided by the magnitude of electronic charge
• the sum of Boltzmann's constant and absolute temperature divided by the magnitude of electronic charge
• the sum of Boltzmann's constant and absolute temperature multiplied by the magnitude of electronic charge
• the difference of Boltzmann's constant and absolute temperature divided by the magnitude of electronic charge

Examples of Semiconductor.

The main advantage of UJT is that it offers negative resistance characteristics.

• True
• False

One application of UJT is it can amplify signal similar to conventional BJTs and FETs.

• True
• False

RA 9292 was finally passed under House Bill No.________.

• 2863
• 5224
• 2683
• 5242

What type of impurities produce n-type semiconductor?

• acceptor atoms
• trivalent impurities
• extrinsic semiconductor
• donor atoms

First, the input is a broadcast signal either received by its antenna or ..... in through a cable.

• cued
• fed
• led
• sped

Electronics is the study and utilization of systems that function by guiding electron flow in ..... such as semiconductors.

• contrivances
• devices
• pieces
• servers

Third and last, its output apparatus, a cathode ray tube, changes the electronic signals into a ..... image on its screen.

• vague
• valuable
• viable
• visible

An Engineering which is a key part of the oil extraction process and focused on safe drilling procedures and the logistics.

• Mining Engineering
• Electronics Engineering
• Computer Engineering
• Drilling Engineering

Addition of pentavalent impurity to a semiconductor creates _____.

• Free Electrons
• Holes
• Valence Electrons
• Valence Ion

Aerospace Engineering is sub-discipline of what Engineering?

• Electrical Engineering
• Mechanical Engineering
• Civil Engineering
• Chemical Engineering

Interbase resistance of a UJT is the resistance between emitter and pn junction when the emitter current is zero.

• True
• False

A _____________ prosthetic is one that attaches below the elbow.

• Transtibial
• Transfemoral
• Transhumeral
• Transradial

The image shows an example of a...

• Lever System
• Pulley System
• Gear System
• Linkage System

Electronics Engineering Law.RA number only.

• 9292

Rules of Conduct, Just Obligatory, laid down by legitimate powers.

• Laws
• Ethics
• Treaties
• Orders

Creation of the National Telecommunication Commission and Ministry of Transportation and Communication.

• EO 125
• EO 256
• EO546
• EO642

A sub discipline of Chemical Engineering and it is all about the production of fuel for vehicles and machinery.

• Hydraulic Engineering
• Plastics Engineering
• Drilling Engineering
• Petroleum Engineering

Potential barrier of a Silicon.

• 0.1 V
• 0.3 V
• 0.7 V
• .10 V

RA 9292 is known as

• Electronics and Communications Engineering Law of 2004
• Electronics Engineering Law of 2004
• Electronics and Communications Engineering Act of the Philippines
• Electronics Engineering Law of the Philippines

In PUT, the term programmable is applied because RBB, η, and VP as defined for the UJT can be controlled through the internal resistors RB1, RB2, and the supply voltage VBB.

• True
• False

The following are the 3 general divisions of biomedical engineering except.

• Bioengineering
• Biochemical Engineering
• Medical Engineering
• Clincall Engineering

Children Televisions Law.RA number only.

• 8370
• 7394
• 8293
• 7925

Diode that is always connected in reverse bias condition.

• Zener

Playing of atleast 4 Filipino Music every clock hour of a program.

• EO 255
• EO 229
• EO 202
• EO 220

A zener diode has ______ pn junction/s.

• One
• Two
• Three
• None

Computer Engineering is the design and organization of computers ______________ and _________________.

• Hardware & Malware
• Software & Firmware
• Software & Hardware
• None of the above

What is the broadest discipline of Engineering?

• Mechanical Engineering

The design, improvement, and installation of integrated systems of people, materials, and energy to produce a product at the lower possible cost

• Industrial Engineering
• Manufacturing Engineering
• Robotics Engineering
• Electrical Engineering

The silicon bilateral switch has the ability to provide positive and negative cycles.

• True
• False

Apps are created by...

• computer engineers
• mobile engineers
• electronics engineers
• software engineers

Respiratory system protection should be worn where there is risk from:

• Falling objects or debris, impact with other objects, electric shock and rain
• Projectiles, chemicals or radiation.​
• Falling or rolling objects, crushing or penetrating materials, hot, corrosive or poisonous substances, electrical hazards, static electricity, or slippery surfaces.​
• Contaminants in the air only if other hazard control methods are not practical or possible under the circumstances.​

What is otherwise known as “PRC modernization law”?

• R. A. 8981
• R. A. 6849
• D.O. 11
• R. A. 7925

For Qualification for Board Member.He/She must be resident of the Philippines _ consecutive years prior to appointment.

• 5
• 4
• 3
• 2

Plastics Engineering is sub-discipline of what Engineering?

• Electrical Engineering
• Mechanical Engineering
• Civil Engineering
• Chemical Engineering

Mobile phone chargers are used to charge phone batteries by plugging it to AC power outlets. What type of semiconductor application is employed in the process?

• image projection
• amplification
• rectification
• oscillation

These two purposes rely on the creation and detection of electromagnetic ..... and electrical currents.

• fields
• floors
• grounds
• surfaces

This blends engineering knowledge with soil systems, land management, and environmental control.

• Agricultural Engineering
• Civil Engineering
• Biochemical Engineering
• Controls Engineering

Research into innovative semiconductor technology and applications is considered a ..... of physics.

• branch
• responsibility
• segment
• subsidiary

Which of the following is not a three terminal device?

• Silicon Unilateral Switch
• Silicon Bilateral Switch
• Shockley Diode
• Unijunction Transistor

It is the application of the study of earthquakes and the vibrations generated at the surface in order to protect the built environment and people from being harmed

• Civil Engineering
• Mining Engineering
• Drilling Engineering
• Earthquake Engineering

UJT has a unique characteristics that when it is triggered, the emitter current increases regeneratively until it is limited by emitter power supply.

• True
• False

Once Programmable Unijunction Transistor is in the on state, the removal of gate voltage will turn the device off.

• True
• False

A silicon diode displays a forward voltage of .25V at 10mA current at 300 Kelvin. Find the reverse saturation current. (in micro Ampere) *no need to include the unit. 3 decimal places only.

• 0.637

Which of the following is not true about semiconductors?

• resistance increases as their temperature decreases
• possesses qualities that of a conductor and insulator
• conductance increases as their temperature increases
• have less than four valence electrons

Ear protection should be worn where there is risk from:

• Falling objects or debris, impact with other objects, electric shock and rain
• noise being too close to or greater than the occupational exposure limit
• Projectiles, chemicals or radiation.​​
• Contaminants in the air only if other hazard control methods are not practical or possible under the circumstances.​

It is the maximum amount of voltage the diode can withstand in reverse bias mode on a continual basis.

• maximum repetitive reverse voltage
• maximum forward voltage
• maximum dc reverse voltage
• maximum total dissipation

Works with architects focusing on structural integrity and safety of design

• Electrical Engineering
• Civil Engineering
• Architectural Engineering
• Chemical Engineering

The Board may, _________ years after the revocation of a Certificate of Registration and Professional identification Card, upon application and for reasons deemed proper and sufficient, reinstate the validity of a revoked Certificate of Registration and Professional Identification Card.

• two

Manual handling is...

• the transporting or supporting of a load by hand or someone's bodily force. It includes lifting, lowering, pushing, pulling, moving or carrying. ​
• the discipline of engineering that is associated with the design, development, manufacture and testing in the fields of biology and health care. ​​
• the general requirements which employers must protect employees and other persons from the hazards of substances used at work.​
• the development of machines that transport or support a load, it includes lifting, lowering, pushing, pulling, moving or carrying. ​

This image shows a...

• Linkage Mechanism
• Pulley System
• Lever
• Gear System

The forward voltage drop across a germanium diode is _____.

• 0.3 V

Which of the following statements is/are false?

Equivalent Circuit of a Unijunction Transistor

• Diode, one fixed resistor, one variable transistor
• Diode, Two resistors (one fixed, one variable)
• Base, Emitter, Collector
• Anode, Cathode, Gate

The datasheet of a certain UJT with a silicon diode gives an intrinsic standoff ratio of 0.5, determine the peak point emitter voltage if the supply is 15V.

• 6.8Volts

What engineering has access to a wide range of sensors which can be used by other Engineers to measure any variable(s) to be controlled (e.g. pressure, voltage, acceleration and force).

• Chemical Engineer
• Computer Engineer
• Controls Engineer
• Construction Engineer

__________ ___________ is the discipline of engineering that is associated with the design, development, manufacture and testing in the fields of biology and health care. ​​

• Biomedical Engineering

In a reverse bias condition, the depletion region offers more resistance to these majority carriers.

• True
• False

A discipline of Engineering that is dedicated to the improvement of transportation vehicles and logistics.

• Electrical Engineering
• Drilling Engineering
• Transportation Engineering
• Aerospace Engineering

These are materials that have excellent current carrying capacity.

• Semiconductor
• Conductors
• Insulators
• Diodes

Electronics Commerce Act and IP Code of the PH.

• 9292
• 8293
• 5734
• 8990

The __________ shall adopt a Code of Ethics and the Code of Technical Standards of Practice for Electronics Engineers and Electronics Technicians.

• National Telecommunications Commission
• Board
• Accredited Professional Organization
• Commission

NTC shall composed of _______.

• 1 Deputy 3 Commisioners
• 1 Commisioners 2 Deputy
• 2 Commisioners 2 Deputy
• 2 Deputy 1 Commisioners

For a UJT, RB1 may vary from 5kΩ down to 50Ω for a corresponding change of IE from 50 mA to 0 mA.

• True
• False

A Transtibial prosthetic attaches

• above the elbow
• below the knee
• below the elbow
• above the knee

A UJT is operated with gate junction forward- biased while the JFET is normally operated with the emitter junction reverse-biased.

• True
• False

The silicon chip can contain up to several thousand transistors packed and (to connect) inlayers beneath the surface.

• interconnected

Which of the following statement/s is/are true?

• To pass the licensure examination, a candidate for Electronics Engineer or Electronics Technician must obtain a rating of 70% average from the four subjects.
• The integrated and accredited national organization of Professional Electronics Engineers, Electronics Engineers and Electronics Technician is JIECEP.
• There are 3 categories of practice stipulated in RA 9292.
• The official seal/logo of the Board which is circular in shape, consisting two concentric circles, with the inner circle measuring 32mm in diameter.

What is the ambient room temperature for electronic devices?

• 280 K
• 290 K
• 300 K
• 310 K

Construction Engineering is sub-discipline of what Engineering?

• Electrical Engineering
• Mechanical Engineering
• Civil Engineering
• Chemical Engineering

What is Article V of RA 9292?

• Transitory Provisions
• General Provisions
• Examination, Registration, and Licensure
• Sundry Provisions
• Penal Provision and Assistance of Law Enforcement Agencies

Which of the following are included in the Professional Identification Card?

For Qualification for Board Member.Active practice of ECE occupation for at least _ years prior to his appointment.

• 15
• 10
• 5
• 3

Majority Carrier in a P-type Semiconductor.

• Acceptor Ion
• Donor Ion
• Positive Charge
• Negative Charge

Frequency of oscillation of the device is equal to the reciprocal of the total period in _____________.

• the whole duration of operation
• one cycle
• one positive half cycle
• one negative half cycle

Which of the following does not belong to the group.

• Zero Bias
• Forward Bias
• Reverse Bias
• Neutral Bias

Except as otherwise specifically provided in RA9292, all applicants seeking to be registered and licensed as Electronics Engineers and Electronics Technicians, shall undergo the required examinations to be given by the Board in such places and dates as the Commission may designate in accordance with the provisions of Republic Act No. 8981.

• Section 22
• Section 24
• Section 13
• Section 15
• Section 9

PPE stands for

• Personal Protective Equipment

Electronics and Communications Engineering Law in the Philippines.RA number only.

• 5734

What do you call for the gaps left behind by electrons as they are liberated from their respected orbits?

• anion
• holes
• depletion layer
• cation

What type of electron emission is employed on vacuum tubes?

• field emission
• thermionic emission
• secondary emission
• photoelectric emission

Which of the following are the qualifications for an applicant to take the examination for Electronics Technician?

Why do we add impurities on semiconductor materials?

• to make the manufacturing easier
• to strengthen its structure
• to improve its electrical properties
• to cut the costs of production

Determine RB1 (in ohms) for a silicon PUT if it is determined that η = 0.5, Peak Voltage= 12.3 V and RB2= 1k ohms. (type in the value of the correct answer ONLY)

• 1k

A person who is qualified to hold himself/herself out as a duly-registered/licensed Electronics and Communications Engineer under Republic Act No. 5734.

• Professional Electronics Engineer
• Electronics and Communications Engineer
• Electronics Engineer
• Electronics Technician

Micro-electronics Engineering is sub-discipline of what Engineering?

• Electrical Engineering
• Mechanical Engineering
• Civil Engineering
• Chemical Engineering

Which of the following is not an area within Civil Engineering?

• Computer engineering
• Road and bridge engineering
• Material engineering
• Sewer and water pipe engineering

In a forward bias condition, further increase in the external applied voltage will increase the size of the depletion region.

• True
• False

Design and build all types of vehicles: Automobiles, Trucks, Tractors, Bulldozers & Motorcycles

• Aerospace Engineering
• Automotive Engineering
• Transportation Engineering
• Electronics Engineering

A semiconductor doped with a pentavalent impurity element which has five electrons in its valence shell.

Designing and building electronic circuits to solve ..... problems is the mandate of electronics engineering.

• parallel
• practical
• partial
• production

Determine the supply voltage for a silicon PUT if it is determined that η = 0.5, Peak Voltage= 12.3 V. (use the correct unit)

• 23.2V

The (to process) handles all the functions for the keyboard, the display and the loudspeakers, and it controls the signal to the base station.

• microprocessor

Who is the the current Chairman of the Board/BECE?

• Herminio J. Orbe
• Roberto P. Nazareno
• Alnar L. Detalla
• Sylvia Marcelo
• Teofilo S. Pilando, Jr.

Which of the following offers good temperature stability?

• SCR
• SUS
• SBS
• All of the above