REGIONAL UNIFIED QUARTERLY ASSESSMENT (RUQA)
SY 2025-2026
Second Quarter – TLE: Grade 10 (Electronic Products Assembly and Servicing)
GENERAL INSTRUCTIONS. Do not write anything on this test paper. After carefully
reading all the questions, reflect all your answers on the separate ANSWER SHEET.
Shade the circle that corresponds to your chosen answer.
Read this passage and answer the following questions:
A group of Grade 11 EPAS students is asked to repair a damaged cellphone charger.
Their teacher shows them different technical drawings: a pictorial diagram showing the
physical appearance of parts, a block diagram showing the main functions like "AC Input →
Rectifier → Regulator → DC Output," and a schematic diagram with electronic symbols of
diodes, resistors, and capacitors. The students must choose the right diagram depending on
whether they want to identify parts by their look, function, or exact circuit connections.
1. Which type of diagram shows the actual physical appearance of electronic
components and how they look in real life?
A. Block Diagram
C. Schematic Diagram
B. Pictorial Diagram
D. Wiring Diagram
2. Which type of drawing uses standardized electronic symbols like the ones shown
below?
A. Block Diagram
B. Pictorial Diagram
C. Schematic Diagram
D. Wiring Diagram
3. Which diagram is most useful when explaining the overall process of AC input
being converted into DC output in a charger?
A. Block Diagram
C. Schematic Diagram
B. Pictorial Diagram
D. Wiring Diagram
4. Why would a cellphone technician use a schematic diagram instead of a pictorial
diagram when troubleshooting?
A. To identify color codes of wires
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B. To see how parts physically look
C. To understand block functions only
D. To trace exact electrical connections using symbols
Read this passage and answer the following questions:
Carlos, a Grade 11 EPAS student, is studying how a laptop adapter works. His teacher
provides different diagrams: a block diagram showing stages like "AC Input → Rectifier →
Switching Circuit → Transformer → Output Regulation," a schematic diagram showing all
electronic components and their connections, and a pictorial diagram of the actual PCB
layout with visible capacitors, transistors, and transformers. Carlos is tasked to select
which diagram will be best to understand the SMPS operation, which one to use for
repairing, and which one for physical identification of parts.
5. Which diagram should Carlos use to explain how AC power is processed into stable
DC power in an SMPS?
A. Block Diagram
C. Schematic Diagram
B. Pictorial Diagram
D. Wiring Diagram
6. What is the main difference between a schematic diagram and a block diagram in
the SMPS project?
A. A schematic is simpler, while a block diagram is always more detailed.
B. A schematic is used only for assembly, while a block diagram is used only for testing.
C. A schematic shows only pictures of parts, while a block diagram uses photos of the
PCB.
D. A schematic shows electrical symbols and exact wiring, while a block diagram shows
functions in simplified stages.
Read this passage and answer the following questions:
Jose, a Grade 12 EPAS student, is reviewing the technical drawings for a flip-flop
circuit used in a digital electronics project. The package includes schematic diagrams, block
diagrams, pictorial diagrams, and wiring diagrams. Your task is to evaluate the
appropriateness of each drawing type for different job requirements and to assess the
accuracy of component symbols used.
7. Which type of technical drawing best allows you to evaluate the logical operation
and interconnection of components in the flip-flop circuit?
A. Block diagram
C. Schematic diagram
B. Pictorial diagram
D. Wiring diagram
8. When validating the schematic diagram of the flip-flop circuit, what should be
your primary focus?
A. The color scheme of the diagram
B. The physical appearance of components
C. The manufacturer’s brand of components
D. The symbols used and their correct interconnections
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9. If the wiring diagram for the flip-flop circuit does not clearly show the connection
sequence of the components, what is the best evaluation?
A. The diagram’s artistic quality is high
B. The diagram is suitable for troubleshooting
C. The diagram can replace the schematic diagram
D. The diagram does not meet job requirements for clarity
10. How would you assess the block diagram’s usefulness in explaining the flip-flop
circuit to a new technician?
A. It is not useful and should be discarded
B. It shows exact wiring and physical layout
C. It provides detailed component specifications
D. It simplifies complex circuits by showing functional units
Read this passage and answer the following questions:
An electronic technician is given a technical drawing of a printed circuit board (PCB) for
an electronic device. The drawing includes various electronic components such as resistors,
capacitors, and diodes, each represented by standard symbols. The dimensions of the PCB
and component placements are clearly marked to ensure proper fit and function during
assembly.
11. What does the zigzag line symbol in the technical drawing represent?
A. Capacitor
C. Resistor
B. Diode
D. Transistor
12. Which tool is best used to measure the length and width of the PCB as shown in
the drawing?
A. Multimeter
C. Oscilloscope
B. Ruler
D. Soldering iron
13. Why is it important to identify component dimensions in the technical drawing?
A. To decorate the PCB
B. To increase resistance
C. To reduce component costs
D. To ensure components fit correctly and function properly
Read this passage and answer the following questions:
Garry, an electronic hobbyist, have an audio amplifier schematic diagram using
symbols standardized by international bodies such as IEC and IEEE. To make this project,
he is challenged to interpret these symbols correctly so that the assembly follows the job
requirements precisely.
14. Which organization sets the standard for the electrical symbols used in the
schematic?
A. IEC (International Electrotechnical Commission)
B. GEEA (Global Electrical Engineering Association)
C. WESRA (World Electronics Standards and Research Alliance)
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D. IFECT (International Federation of Electronic Circuits and Technology)
15. What does the symbol with two parallel lines in the schematic typically represent?
A. Capacitor
C. Inductor
B. Diode
D. Resistor
16. How does understanding standardized symbols benefit the assembly process?
A. It decorates the schematic
B. It reduces component costs
C. It prevents mistakes in reading and assembly
D. It speeds up soldering and some possible reworks
Read this passage and answer the following questions:
Daniel, a design engineer and technician of Zircuits Elektronika, Inc., is preparing a
technical drawing for a new electronic product. Using instruments such as a T-square,
drawing board, triangular scale and ruler, he must create accurate drawings including all
necessary dimensions and symbols to meet job specifications.
17. The job specification for the product's power input section states that all wiring
must comply with the NEC (National Electric Code). When Daniel adds the power
entry module to his drawing, what is the most important factor he must apply from
the NEC to ensure safety?
A. The exact cost of the components listed in a table
B. The aesthetic color of the wires used in the diagram
C. The brand of the power supply recommended for use
D. The correct current rating and wire gauge for the circuit
18. Why must Daniel include detailed dimensions in a technical drawing?
A. To reduce drawing time
B. To decorate the drawing
C. To make the drawing colorful
D. To ensure accurate manufacturing and assembly
Read this passage and answer the following questions:
As a supervisor in an electronics consumer manufacturing plant, you are tasked to
validate a technical drawing against job requirements and physical equipment. You must
check for correctness of symbols, dimensions, and specifications to avoid costly errors.
19. What should you do if the drawing shows a symbol that does not match the job
specifications?
A. Proceed with assembly regardless
B. Replace the symbol with one you prefer
C. Report the discrepancy and seek clarification
D. Ignore the discrepancy and proceed with the production
20. How can you verify that the drawing matches the physical equipment?
A. Guess based on experience
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B. Check the drawing colors and legend
C. Measure physical parts and compare them with drawing dimensions
D. Ask the assembler, and let the measurements be revised if necessary
21. Why is using standardized symbols important in technical drawings?
A. To save drawing space
B. To increase drawing complexity
C. To ensure universal understanding
D. To make drawings look professional
22. Which document usually accompanies a technical drawing to explain component
details?
A. Bill of materials
C. Marketing brochure
B. Invoice
D. Warranty card
Read this passage and answer the following questions:
You are a Quality Insurance Inspector in an electro-mechanical manufacturing plant.
During quality inspection, your task is to compare the assembled device against the
technical drawing. You check for accuracy in component placement and dimensions and
prepare a report on discrepancies.
23. What is the first step in validating assembly against a technical drawing?
A. Painting the device
B. Ignoring the drawing
C. Operating the device immediately
D. Visual inspection and measuring key dimensions
24. If a component on the device differs from the drawing, what should you do?
A. Use a different drawing
B. Ignore it if device works
C. Report the discrepancy and halt production
D. Replace the component to match the drawing
25. How does documenting discrepancies improve product quality?
A. Confuses assembly team
B. Delays production unnecessarily
C. Is unnecessary if product looks fine
D. Allows corrective actions to be taken promptly
26. Which tool is best for recording inspection findings?
A. As-built plan
C. Design plan
B. Bill of materials
D. Inspection checklist
27. What evaluation criteria would you use to judge a technical drawing’s
effectiveness?
A. Accuracy, clarity, completeness, and compliance with standards
B. Artistic style, overall presentation, and visual attractiveness of the diagram
C. Use of colors, line weights, and simple decorative design elements included
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D. Paper size, sheet orientation, and consistency of layout used in the drawing
28. How can improving technical drawings benefit the assembly process?
A. Increases drawing time
B. Increases complexity unnecessarily
C. Focuses on aesthetics over function
D. Reduces errors and improves team communication
Read this passage and answer the following questions:
Your EPAS class is designing a PCB for a 5V power supply. The project requires a
schematic diagram with components like a transformer, bridge rectifier, filter capacitor, and
7805 voltage regulators. You also need a PCB layout plan to arrange components and
copper traces. A block diagram is used to explain the stages—AC Input, Rectification,
Filtering, Regulation, and DC Output—during the project proposal.
29. Which diagram uses standardized symbols to show electrical connections
between components like the transformer and voltage regulator?
A. Block diagram
C. Schematic diagram
B. Pictorial diagram
D. Wiring diagram
30. What tool is used to draw straight horizontal lines and guide other drafting tools?
A. Divider
C. Ruler
B. Protractor
D. T-square
31. Why is a block diagram created before the schematic diagram in the power supply
project?
A. It lists component prices and detailed specifications
B. It validates the logical flow of stages before detailing connections
C. It shows exact PCB measurements and the actual location of components
D. It replaces the need for a schematic diagram and the wiring interconnections
32. How does a schematic diagram assist in PCB layout design?
A. It replaces the need for a block diagram
B. It provides the physical size of components
C. It defines electrical connections for accurate trace routing
D. It specifies soldering techniques and where the components should be soldered
Read this passage and answer the following questions:
Maria’s audio amplifier circuit produces distorted sound. She refers to the schematic
diagram to trace signal flow from the input jack to the speaker. She uses a wiring diagram
to check physical connections on the breadboard. Maria also consults a pictorial diagram to
verify component orientation.
33. Why would Maria use a schematic diagram instead of a pictorial diagram to
diagnose distorted sound?
A. The schematic emphasizes logical signal flow for analysis
B. The schematic shows color-coded wires for easier traceability
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C. The pictorial diagram is easier to draw and easier to trace during troubleshooting
D. The schematic includes component prices and detailed specifications for easier
identification of components
34. How does a wiring diagram help Maria verify physical connections?
A. It explains mathematical circuit theory
B. It shows point-to-point wire routes and breadboard layout
C. It replaces the need for a schematic for easier troubleshooting and repair
D. It uses abstract symbols for simplicity, so therefore easier to troubleshoot
35. Maria finds a resistor symbol connected to a capacitor symbol in the schematic.
How should she physically connect them on the breadboard?
A. In parallel
C. In series, end-to-end
B. Randomly
D. Side-by-side without wires
36. Which tool should Maria use to measure resistor lead spacing for accurate
breadboard placement?
A. Calculator
C. Drawing board
B. Divider
D. T-square
Read this passage and answer the following questions:
The students are challenged to design a system that allows a teacher to turn the
classroom lights ON or OFF from two different doors. They need to create a wiring diagram
that an electrician can follow, showing the connections between two three-way switches, the
light fixture, and the power source. They also need to draw a schematic diagram to explain
the logic of how the switching works. The team uses components/dividers to transfer
measurements accurately from a floor plan to their layout drawing.
37. When preparing the final documentation, which combination of diagrams would
be MOST effective for both the electrician installing the system and the inspector
verifying the design?
A. A block diagram and a location plan
B. Only a highly detailed pictorial diagram
C. Schematic shows how the circuit works; wiring diagram guides installation
D. A single diagram that mixes schematic symbols with physical wiring details
38. The team's first wiring diagram is cluttered, with lines crossing frequently. What
is the BEST strategy to improve its clarity while keeping all necessary information?
A. Tell the electrician to "figure it out" from the schematic
B. Redraw with clear lines and labels for accurate, readable wiring
C. Remove one of the switches to simplify the circuit for a cleaner wiring
D. Use a smaller paper size to force everything closer together in the wiring
39. A team member suggests using only the wiring diagram for the entire project,
from design to installation. Why is relying solely on this diagram a significant
limitation for this lighting control system project?
A. Wiring diagrams are prohibited by electrical code
B. Wiring diagrams are always mathematically incorrect
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C. Wiring diagrams show connections but not operation, making troubleshooting harder
D. Wiring diagrams cannot be drawn using a computer, thus using it only will make the
project finish faster
40. Why is the use of a divider considered more appropriate than a standard ruler for
accurately transferring measurements from the floor plan to the layout drawing?
A. Rulers cannot measure distances accurately
B. Using a divider is faster than using a ruler
C. Dividers transfer measurements accurately without ruler error buildup
D. Dividers are cheaper than rulers, therefore, more people prefer dividers
Read this passage and answer the following questions:
The EPAS workshop has a collection of technical drawings for various projects like
power supplies and amplifier circuits. These include schematics, block diagrams, and wiring
diagrams stored in a disorganized cabinet. The instructor tasks a student team with
applying the 5S methodology to sort, order, and clean the storage area. They must also
create a digital inventory by classifying each drawing by type and project, tagging them with
unique IDs, and recording the details in a logbook for easy retrieval.
41. What is the first step in the 5S methodology that involves removing unnecessary
items from the workspace?
A. Shine
C. Standardize
B. Sort
D. Sustain
42. Which of the following is a key part of preparing an inventory of technical
drawings?
A. Classifying drawings by type and project
B. Discarding old versions and replacing it with new ones
C. Redrawing faded schematics to restore and preserve these
D. Laminating all documents so that it will not get wet and destroyed
43. Why is tagging each drawing with a unique ID number important in the inventory
process?
A. It replaces the need for a logbook
B. It allows drawings to be stored in any order
C. It ensures quick and accurate identification and retrieval
D. It makes the drawings look more official and easier to identify
44. How does applying the 5S methodology to drawing storage help prevent damage
to the documents?
A. By limiting access to the instructor only
B. By storing all drawings in a single, heavy binder
C. By requiring all drawings to be redrawn digitally
D. By storing properly which prevents dirt, moisture, and handling damage
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Read this passage and answer the following questions:
After a drafting activity, the EPAS students need to store their equipment, including Tsquares, rulers, dividers, and drawing boards. The school's procedure requires cleaning the
tools, checking for damage, and storing them in a designated cabinet with labeled
compartments. An equipment log must be updated to record the condition of each tool
before storage.
45. A student finds a T-square with a slightly cracked edge. What should be the next
step according to proper maintenance procedures?
A. Hide it so no one else gets blamed
B. Tag as ‘For Repair’ and inform instructor to prevent further harm
C. Throw it away immediately so that it will cause injury to other students
D. Continue using it since the crack is small; buying a new T-square is costly
46. Why is it important to store T-squares and rulers in a vertical position or flat in a
designated rack instead of leaning them against a wall?
A. To save space in the cabinet
B. To make them easier to count
C. To prevent warping or bending that would affect their accuracy
D. Because the procedure manual says so, everybody must follow it
47. After using a divider to transfer measurements, a student notices dust on the
instrument. What is the correct action before storage?
A. Wash it with water and soap
B. Blow the dust off and put it away
C. Leave it for the next user to clean
D. Wipe it clean with a dry cloth and place it in its storage area
48. The school is updating its storage procedures. One suggestion is to store all
drafting tools in one large bin for faster cleanup. Why is this a poor practice?
A. It saves time during dismissal
B. Causes scratches or breakage that lower tool accuracy and durability
C. Tools stored in bins are harder to steal, thus, making it more practical
D. Bins are more expensive than cabinets, thus, generating savings for the school
Read this passage and answer the following questions:
The school plans to digitize its technical drawings to ensure long-term preservation.
Students are involved in scanning paper drawings, naming the files logically
(e.g., ProjectName_DiagramType_Date), and storing them in a cloud folder with a backup on
an external hard drive. They must also maintain a digital inventory spreadsheet that
includes the filename, project, diagram type, and date stored.
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49. Why is creating a backup on an external hard drive an essential part of the digital
storage procedure?
A. It is required by law
B. It makes files easier to email
C. External hard drives are cheaper than cloud storage
D. It protects against data loss if the cloud storage fails or is corrupted
50. A student proposes naming a scanned file simply "Diagram1.pdf." Why is this a
weak naming convention for the digital archive?
A. The name is too short
B. PDF is not an acceptable file format
C. All files should be named using numbers only
D. Lacks description, making files hard to identify or retrieve without opening
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Congratulations!
You completed the test!
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