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Key Facts: Engineer Interior Architecture Exam

80 items

Official written paper length (4 subjects × 20)

Q-Net Engineer-grade grading method; Q-Net 실내건축기사 출제기준 2025.1.1–2027.12.31

120 minutes

Written timing at 30 minutes per subject

Q-Net 필기시험 접수안내 (기사·산업기사 과목별 30분)

40 / 60

Written per-subject floor and overall average

Q-Net 검정기준 및 방법 (기사)

KRW 19,400

Written registration fee on the Q-Net 실내건축기사 page

Q-Net crf005 jmCd=1282, checked 2026-09-20

KRW 28,700

Practical registration fee on the Q-Net 실내건축기사 page

Q-Net crf005 jmCd=1282, checked 2026-09-20

2026

Year Q-Net announced a computer-based work-type practical change

Q-Net notice ARTL_SEQ=5221924

실내건축기사 is HRD Korea's Engineer-grade interior-architecture qualification. The written paper is 80 four-option items in four subjects (20 each, 30 minutes each), with a 40-per-subject and 60-average pass rule, followed by a practical combining 1 hour written-answer (40 points) and about 6 hours work-type (60 points). Q-Net announced a computer-based work-type change for 2026. Official fees are KRW 19,400 written and KRW 28,700 practical. OpenExamPrep offers independent English MCQ study for the written topics, not an official translation or drawing simulation.

Sample Engineer Interior Architecture Practice Questions

Try these sample questions to review concepts for the Engineer Interior Architecture exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In the typical interior design process, which stage sets the design direction and concept, develops schematic sketches, and confirms the space program?
A.Working drawings (실시설계)
B.Programming and conceptual design (기획 및 기본구상)
C.Construction supervision (감리 및 시공)
D.Post-occupancy evaluation (POE, 거주 후 평가)
Explanation: Interior projects generally move from programming and concept, through schematic and design development, into working drawings, then construction and supervision, and finally post-occupancy evaluation. Concept setting, requirements analysis, bubble diagrams, and a first space program belong to programming and conceptual design, not to later documentation or site stages.
2Which statement about the visual and psychological effects of line as a design element is NOT correct?
A.Horizontal lines suggest stability, rest, and a calm atmosphere
B.Vertical lines suggest upward movement, dignity, and can make a ceiling feel higher
C.Diagonal lines are the most static and monotonous, and best express timeless permanence
D.Curved lines suggest flexibility, softness, elegance, and rhythm
Explanation: Diagonals drive the eye quickly and read as motion, dynamism, speed, and instability. Permanence and calm belong more to horizontals, or to a stable grid of verticals and horizontals, not to diagonals.
3Which design principle makes opposing qualities more vivid when they are placed together?
A.Proportion (비례)
B.Contrast (대비)
C.Balance (균형)
D.Unity (통일)
Explanation: Contrast places unlike qualities side by side—light against dark, large against small, rough against smooth, warm against cool—so each quality reads more strongly. The pairing adds visual interest and energy rather than blending differences away.
4Which proportional system did Le Corbusier develop by combining human body dimensions with the golden section?
A.A Fibonacci-only number table with no body reference
B.The Modulor (Le Modulor, 모듈러)
C.The ancient sculptors' canon of proportions
D.The classical Greek and Roman orders
Explanation: Le Corbusier's Modulor is a scale for architecture and furniture that combines a human stature (famously a 183 cm, or 6-foot, figure) with golden-section ratios. Fibonacci numbers relate mathematically to the golden ratio, but they are not the named architectural system he published.
5In Gestalt grouping, which law describes elements that are perceived as one group because they sit close together?
A.Law of similarity
B.Law of proximity
C.Law of closure
D.Law of continuity
Explanation: Proximity groups items by physical nearness even when color or shape differs. Designers use spacing to create families of furniture, lighting, or graphics without adding extra borders.
6Which task does NOT belong to space programming?
A.Analyzing client and user needs and stating the purpose of each space
B.Listing required rooms and estimating floor area for each
C.Completing electrical wiring details and finish section drawings (실시설계) for construction
D.Studying functional adjacencies with a matrix or bubble diagram
Explanation: Programming is early planning: needs, area takeoffs, and adjacency studies. Electrical details and finish sections are construction-document work produced after the design is approved.
7Which statement about circulation planning is NOT correct?
A.Routes should be as short, simple, and legible as practical
B.High-use main routes need generous clear width
C.Unlike routes, such as customer and service paths, should be deliberately crossed to increase chance meetings
D.Escape routes should avoid dead ends and offer more than one way out
Explanation: Unlike flows—customers versus service, residents versus visitors—should be separated so they do not collide or confuse occupants. Crossing them on purpose is a planning error, not a principle.
8Which statement about open-plan interiors is NOT correct?
A.Fewer fixed partitions increase visual openness
B.Furniture layouts can change more easily
C.Acoustic isolation and visual privacy are generally better than in closed rooms
D.Daylight and air can travel farther into the plan
Explanation: Open plans gain flexibility and a sense of space by removing walls. The typical cost is weaker sound isolation and weaker visual privacy compared with enclosed rooms.
9In a living room, what best describes a facing (confronting) furniture layout?
A.Seating is lined along one wall to shrink aisle area
B.Sofas or chairs face each other across a table, supporting conversation
C.Seating is arranged in a circle solely to face a television
D.Seating is packed into a corner U-shape to maximize leftover circulation
Explanation: A facing layout places seats opposite each other with a table between them so gazes meet naturally. It is the classic arrangement for talk and entertaining, unlike wall-lined, TV-oriented, or tight corner packs.
10Which three centers form the classic kitchen work triangle (작업동선 삼각형), and which total path length is the usual NKBA planning range?
A.Dining table, sink, and exhaust hood, totaling 2.0–3.5 m
B.Refrigerator, sink, and cooktop or range, with the three legs totaling about 13–26 ft (about 4.0–7.9 m)
C.Prep counter, dishwasher, and storage wall, totaling 5.0–8.0 m
D.Refrigerator, dining table, and microwave, totaling 7.0–10.0 m
Explanation: The work triangle (작업동선 삼각형) links storage (refrigerator), cleanup and prep (sink), and cooking (range or cooktop). NKBA kitchen planning guidelines keep each leg about 4–9 ft and the three-leg total about 13–26 ft so cooks neither crowd nor walk excessive distances.

About the Engineer Interior Architecture Exam

Engineer Interior Architecture (실내건축기사) is South Korea's Engineer-grade national technical qualification for interior architecture, administered by HRD Korea on Q-Net under MOLIT. The written paper uses four-option multiple-choice items across interior planning, color and user behavior, construction and materials, and interior environment. After a written pass, candidates sit a composite practical with a 1-hour written-answer component and an approximately 6-hour work-type component; Q-Net announced a 2026 computer-based work-type change. Q-Net publishes the specifications reviewed here in Korean. The questions on this page are independent English-language MCQ study practice for those written topics; they are not an official translation or format simulation and not a substitute for CAD or work-type drawing practice.

Exam sponsor: HRD Korea (Q-Net) / Ministry of Land, Infrastructure and Transport (MOLIT). The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Written paper covering 실내디자인 계획, 실내디자인 색채 및 사용자 행태분석, 실내디자인 시공 및 재료, and 실내디자인 환경 (20 items and 30 minutes each) under the 2025.1.1–2027.12.31 출제기준, followed by a composite practical with a 1-hour written-answer component (40 points) and an approximately 6-hour work-type component (60 points). Q-Net announced a 2026 computer-based work-type change. OpenExamPrep study weights below match the four equal written subjects.

Time Limit

120 minutes for the four written subjects (30 minutes each); practical: 1 hour written-answer plus about 6 hours work-type

Passing Score

Written: 40+ per subject and 60 average; practical: 60/100

Exam / Certification Fees

KRW 19,400 written / KRW 28,700 practical (Q-Net, 2026-09-20)

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

25%

Interior Design Planning (실내디자인 계획)

Programming, design elements and principles, space planning, and working drawings.

25%

Color and User Behavior Analysis (실내디자인 색채 및 사용자 행태분석)

Color planning, furniture layout, presentation, anthropometry, and user behavior.

25%

Interior Construction and Materials (실내디자인 시공 및 재료)

Interior finishes, materials, construction management, and related trades.

25%

Interior Design Environment (실내디자인 환경)

Thermal, air, lighting, and acoustic environment plus interior-relevant building rules.

Preparing for the Engineer Interior Architecture Exam

What You Need to Know

  • Passing score: Written: 40+ per subject and 60 average; practical: 60/100
  • Assessment: Written paper covering 실내디자인 계획, 실내디자인 색채 및 사용자 행태분석, 실내디자인 시공 및 재료, and 실내디자인 환경 (20 items and 30 minutes each) under the 2025.1.1–2027.12.31 출제기준, followed by a composite practical with a 1-hour written-answer component (40 points) and an approximately 6-hour work-type component (60 points). Q-Net announced a 2026 computer-based work-type change. OpenExamPrep study weights below match the four equal written subjects.
  • Time limit: 120 minutes for the four written subjects (30 minutes each); practical: 1 hour written-answer plus about 6 hours work-type
  • Exam / certification fees: KRW 19,400 written / KRW 28,700 practical (Q-Net, 2026-09-20) Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

Engineer Interior Architecture: Suggested Study Strategy

1Keep all four written subjects above the 40-point floor; color theory cannot rescue a failed environment/law paper.
2Practice Munsell notation, anthropometric clearances, Sabine reverberation, and lumen-method lighting with units shown.
3Drill materials and fire-retardant interior finishes as concepts; confirm any numeric code threshold on the current MOLIT / NFPC text.
4Schedule separate CAD/work-type practice. This English MCQ bank does not simulate the 2026 computer-based practical.

Frequently Asked Questions

What is Engineer Interior Architecture (실내건축기사)?

It is an Engineer-grade National Technical Qualification in interior architecture administered by HRD Korea on Q-Net, with MOLIT as the related ministry. Q-Net's English title is Engineer Interior Architecture.

How is the official exam structured in 2026?

The written paper uses four-option items, 20 per subject, with Engineer-grade scoring (40 in each subject and 60 average). Four written subjects are used for this study bank: 실내디자인 계획, 실내디자인 색채 및 사용자 행태분석, 실내디자인 시공 및 재료, and 실내디자인 환경. The practical combines a 1-hour written-answer component (40 points) and a work-type component of about 6 hours (60 points); Q-Net announced a 2026 computer-based work-type change.

What language is the official exam, and what is this bank?

Q-Net publishes the specifications reviewed here in Korean but does not state the permitted delivery language or a multilingual option on those sources. This page is independent English-language multiple-choice study practice for the named written topics. It is not an official translation or format simulation and not a substitute for the work-type drawing examination.

What are the 2026 fees and written timing?

The Q-Net 실내건축기사 page lists KRW 19,400 for the written paper and KRW 28,700 for the practical paper (checked 2026-09-20). Four Engineer-grade written subjects at 30 minutes each total 120 minutes.

How long does a written pass remain usable?

Under National Technical Qualifications Act Enforcement Decree Article 21, a written pass exempts that qualification's written paper for 2 years from the pass date.