For the 2026 exam.

Contains past questions from the 1st Class Architectural Construction Management Engineer exam (subject) from 2025 to 2010.

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Each question is presented with a clear [Question ⇒ Answer] link for quick and easy review.

The answer page also includes the original question, making it easy to review.

The "Learning Confirmation Test (R7-H22)" features 10 randomly selected questions to check your understanding.

Since the questions follow a similar pattern each year, start learning little by little early.

*This includes past exam questions from 2025 (First Stage), 2024 (First Stage), 2023 (First Stage), 2022 (First Stage), 2020 (First Stage), 2020 (First Stage), 2020 (First Stage), 2020 (First Stage), 2019 (First Stage), 2018 (First Stage), 2017 (First Stage), 2016 (First Stage), 2015 (First Stage), 2014 (First Stage), 2013 (First Stage), 2012 (First Stage), 2011 (First Stage), and 2010 (First Stage).

One of the most important things for obtaining the qualification is to repeatedly review past exam questions.

By repeatedly reviewing past exam questions, you can understand the structure of the questions, the types of questions that tend to appear, and your own strengths and weaknesses. Therefore, you can use past questions to create an exam preparation and study plan, such as which areas to focus on and which areas to score points on.

Find your own study method and proceed with your studies systematically.

●Example Question
2024 (First Stage) - Question [No. 1]
Which of the following is the most inappropriate general description regarding the indoor environment of a habitable room in a building equipped with a centrally controlled air conditioning system?

The airflow velocity in the room should be 1.5 m/s or less.

Reiwa 6 (2024) - 1st Stage - Question [No. 2]
Which of the following is the closest value to the thermal transmittance of the reinforced concrete wall shown in the figure?
However, the heat transfer coefficient should be the sum of the radiant heat transfer coefficient and the convective heat transfer coefficient.

Reiwa 6 (2024) - 1st Stage - Question [No. 3]
Which of the following general descriptions regarding reinforced concrete structures is the most inappropriate?
When two circular through-holes with a diameter of 1/3 of the beam depth are provided in a beam, the distance between their centers should be at least twice the average value of the two hole diameters.

Reiwa 6 (2024) - 1st Stage - Question [No. 4]
Which of the following descriptions regarding ground and foundation structure is the most inappropriate?
The limit value of consolidation settlement is greater for isolated foundations than for raft foundations.

Reiwa 6 (2024) - 1st Stage - Question [No. 5]
When concentrated loads P₁ and P₂ act on point C of the 3-hinge frame shown in the figure, which of the following is the correct magnitude of the horizontal reaction force Hв generated at support point B?

Reiwa 6 (2024) - 1st Stage - Question [No. 6]
Which of the following general descriptions regarding interior materials is the most inappropriate?
Particleboard is a board compressed using wood-based raw materials such as wood wool and cement, and is used as a roofing underlayment, etc.

Reiwa 6 (2024) - 1st Stage - Question [No. 7]
Which of the following descriptions regarding ventilation is the most inappropriate?
The amount of ventilation due to natural ventilation caused by the temperature difference between the inside and outside is inversely proportional to the height difference between the inlet and outlet, assuming all other conditions are the same.

Reiwa 6 (2024) - 1st Stage - Question [No. 8]
Which of the following descriptions regarding sound is the most inappropriate?
When the distance from a single point sound source doubles, the sound pressure level decreases by 3 dB. Reiwa 6 (2024) - First Stage - Question [No. 9]
Which of the following descriptions regarding the structural planning of a reinforced concrete building is the most inappropriate?

Columns should be designed to have high axial compressive stress to avoid the risk of brittle fracture during earthquakes.

Reiwa 6 (2024) - First Stage - Question [No. 10]
Which of the following descriptions regarding the design of a steel frame structure is the most inappropriate?

To provide high rotational restraint force to the column base, an exposed type should be used instead of a root-wrapped type.

Reiwa 6 (2024) - First Stage - Question [No. 11]
Which of the following is the correct value for the buckling load of the square steel pipe column shown in the table?
However, as shown in the figure, the supports are fixed at both ends and horizontal movement is restrained.

Reiwa 6 (2024) - First Stage - Question [No. 12]
Which of the following is the correct bending moment diagram when a uniformly distributed load ω acts between A and B and between A and C of the beam shown in the figure?
However, the bending moment should be drawn on the tension side of the material.

Reiwa 6 (2024) - First Stage - Question [No. 13]
Which of the following general descriptions regarding steel materials is the most inappropriate?
SN490B and SN490C are rolled steel materials for building structures that do not have a specified upper limit on carbon equivalent.
Reiwa 6 (2024) - First Stage - Question [No. 14]
Which of the following descriptions regarding plastering materials is the most inappropriate?
Dolomite plaster does not have viscosity on its own, so it needs to be mixed with adhesive.
Reiwa 6 (2024) - First Stage - Question [No. 15]
Which of the following descriptions regarding performance items specified in the Japanese Industrial Standards (JIS) for door sets is inappropriate?
Torso strength is specified for sliding door sets.
Reiwa 6 (2024) - First Stage - Question [No. 16]
Which of the following descriptions regarding surveying is the most inappropriate?
Stadia surveying is a method of determining the distance between two points with high accuracy using a level and a leveling rod. Reiwa 6 (2024) - First Stage - Question [No. 17]
Which of the following statements regarding lightning protection equipment is the most inappropriate?
Lightning protection equipment must be installed to protect the portion of a building exceeding 15m in height from lightning strikes.
Reiwa 6 (2024) - First Stage - Question [No. 18]
Which of the following statements regarding air conditioning equipment is the most inappropriate?
The two-pipe piping system in fan coil unit systems allows for simultaneous heating and cooling in each zone and offers excellent control of the indoor environment.
Reiwa 6 (2024) - First Stage - Question [No. 19]
Which of the following statements regarding fire extinguishing equipment is the most inappropriate?
Outdoor fire hydrant systems install sprinkler heads in locations where firefighting is difficult, and extinguish fires by supplying water from fire trucks through connected water inlets on the ground floor.
Reiwa 6 (2024) - First Stage - Question [No. 20]
Which of the following statements regarding common costs in construction costs is incorrect according to the "Standards for Calculating Common Costs for Public Building Construction (established by the Ministry of Land, Infrastructure, Transport and Tourism)"?
The costs of installing fire extinguishing equipment and other facilities, and protecting adjacent structures, are included in site management costs.

Reiwa 6 (2024) - 1st Stage - Question [No. 21]
Which of the following descriptions regarding the planning of the access platform is the most inappropriate?
The position of the support columns for the access platform was determined prioritizing the arrangement of construction machinery and vehicles to be used, taking into consideration the rationality and safety of the work.

Reiwa 6 (2024) - 1st Stage - Question [No. 22]
Which of the following descriptions regarding soil testing is the most inappropriate?
The settlement characteristics of sandy soil can be determined by consolidation testing.

Reiwa 6 (2024) - 1st Stage - Question [No. 23]
Which of the following general descriptions regarding retaining walls using the soil-cement column wall method is the most inappropriate?
The coarser the in-situ soil mixed and mixed with the cement-based injection liquid, the lower the unconfined compressive strength of the soil cement.

Reiwa 6 (2024) - First Stage - Question [No. 24]
Which of the following descriptions regarding the construction of cast-in-place concrete piles is the most inappropriate?
All intersections of the main reinforcement and stirrups of the reinforcing cage were joined by welding.
Reiwa 6 (2024) - First Stage - Question [No. 25]
Which of the following descriptions regarding the splicing and anchoring of deformed reinforcing bars is the most inappropriate?
The length of the lap splice between reinforcing bars of different diameters is calculated using the diameter of the larger bar.
Reiwa 6 (2024) - First Stage - Question [No. 26]
Which of the following descriptions regarding formwork construction is the most inappropriate?
The deflection of the plywood formwork was calculated as the average of the value calculated for simple support and the value calculated for fixed ends.
Reiwa 6 (2024) - First Stage - Question [No. 27]
Which of the following descriptions regarding concrete curing is the most inappropriate?
However, the planned service life class is standard. The wet curing period for concrete using high-early-strength Portland cement is the same as that for concrete using ordinary Portland cement.

Reiwa 6 (2024) - 1st Stage - Question [No. 28]
Which of the following descriptions regarding the construction of large-span steel frame structures is the most inappropriate?
The movable platform construction method is a method in which the roof steel frame assembled on the movable platform is moved to a predetermined position together with the platform and connected to the frame constructed in advance.

Reiwa 6 (2024) - 1st Stage - Question [No. 29]
Which of the following descriptions regarding timber frame construction is the most inappropriate?
The diameter of the pilot hole in the screw part of the lag screw was set to the screw diameter + 2 mm.

Reiwa 6 (2024) - 1st Stage - Question [No. 30]
Which of the following descriptions regarding construction machinery is the most inappropriate?
Long-span construction elevators are equipped with a device that automatically shuts off the power when the inclination of the carrier exceeds a gradient of 1/8.

Reiwa 6th Year - 1st Stage - Question [No. 31]
Which of the following descriptions regarding synthetic polymer roofing sheet waterproofing is the most inappropriate?
In the adhesive method for vinyl chloride resin sheet waterproofing, the corner treatment involved attaching a molded fitting before applying the sheet.
Reiwa 6th Year - 1st Stage - Question [No. 32]
Which of the following descriptions regarding long-length galvanized iron sheet roofing is the most inappropriate?
The upper and lower seams of the flat roofing sheets were made to the same width.
Reiwa 6th Year - 1st Stage - Question [No. 33]
Which of the following descriptions regarding lightweight steel frame wall substrates is the most inappropriate?
The vertical reinforcing members at the entrance openings of partition walls were fixed at their upper ends to runners attached to the lightweight steel frame ceiling substrate. Reiwa 6th Year - First Stage - Question [No. 34]
Which of the following descriptions regarding the finish of a waterproof synthetic resin emulsion-based multi-layer finishing coating material (waterproof multi-layer coating material E) is the most inappropriate?
The base coat of the main material was applied in one coat at a rate of 1.7 kg/m², covering the substrate.

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