2級管工事施工管理技士学科過去問題/令和7年1次後期～h23

2nd Grade Pipe Construction Management Past Exam Questions [Theory]
Includes over 10 years' worth of questions from the past, from the second half of the 2025 exam to 2011.
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Designed for those aiming to pass by repeatedly reviewing past questions.
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Each question is presented with a [Question ⇒ Answer] format for quick and easy review.
The answer page also includes the original question, making it easy to review.
The "Learning Confirmation Test" (2025-2019), which presents 10 questions randomly, allows you to check your understanding.
Study little by little during your commute on trains and buses, or during breaks.

Reiwa 7 [1st] first half (No. 1 to 52), Reiwa 6 [1st] second half (No. 1 to 52), Reiwa 6 [1st] first half (No. 1 to 52), Reiwa 5 [1st] after (No. 1 to 52) / First half of Reiwa 5 [1st] (No. 1 to 52) / Second half of Reiwa 4 [1st] (No. 1 to 52) / First half of Reiwa 4 [1st] (No. 1 to 52)
Reiwa 3 [1st] second half (No. 1 to 52) / Reiwa 3 [1st] first half (No. 1 to 52)
Late 2020 (No.1 This collection includes: (Nos. 1-52)
Reiwa 1st Year (Second Half) (Nos. 1-52)
Reiwa 1st Year (First Half) (Nos. 1-52)
Heisei 30th Year (Second Half) (Nos. 1-52)
Heisei 30th Year (First Half) (Nos. 1-52)
Heisei 29th Year (Nos. 1-52)
Heisei 28th Year (Nos. 1-52)
Heisei 27th Year (Nos. 1-52)
Heisei 26th Year (Nos. 1-52)
Heisei 25th Year (Nos. 1-52)
Heisei 24th Year (Nos. 1-52)
Heisei 23rd Year (Nos. 1-52)

One of the most important things for obtaining a qualification is repeatedly reviewing past exam questions.

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

Find your own learning method and proceed with your studies systematically.
[Example Questions]
【R6[1st Stage](Late Term)-No. 1】
Which of the following statements regarding air quality is incorrect?
One indicator of indoor air pollution is suspended solids (SS).
【R6[1st Stage](Late Term)-No. 4】
Which of the following statements regarding humid air is incorrect?
When humid air is heated, its absolute humidity decreases.
【R6[1st Stage](Late Term)-No. 5】
Which of the following is incorrect as an advantage of flexible conduit made of synthetic resin (PF conduit) compared to metal conduit in electrical equipment?
It is heat resistant.
【R6[1st Stage](Late Term)-No. 6】
Which of the following statements regarding concrete is incorrect?
The smaller the slump value of concrete, the higher its fluidity.
[R6[1st Stage](Late Period)-No. 7]
Which of the following descriptions regarding the planning of air conditioning equipment is inappropriate from the perspective of energy conservation?
Increase the amount of outside air introduced during heating.
[R6[1st Stage](Late Period)-No. 9]
Which of the following descriptions regarding the heat load during cooling is inappropriate?
Solar radiation load includes sensible heat and latent heat.
[R6[1st Stage](Late Period)-No. 10]
Which of the following combinations of "type" and "main use" of air filters is inappropriate?
[Type] Automatic winding type [Main use] Kitchen exhaust
[R6[1st Stage](Late Period)-No. 11]
Which of the following descriptions regarding absorption chillers/heaters is inappropriate?
Power consumption is greater than that of centrifugal chillers.
[R6[1st Stage](Late Period)-No. 12]
Which of the following descriptions regarding packaged air conditioners is inappropriate?

The multi-package type air conditioning system requires a larger machine room area compared to the central heat source system.

[R61st-No. 13]
Which of the following statements regarding ventilation is incorrect?

The Type 2 mechanical ventilation system does not have exhaust vents.

[R61st-No. 14]
Which of the following combinations of "rooms targeted by ventilation" and "main purpose" is incorrect?

[Target Room] Electrical Room\nMain Purpose] Removal of moisture
[R61st-No. 15]
Which of the following statements regarding water supply is incorrect?
Combined residual chlorine has higher bactericidal power than free residual chlorine.
Sodium hypochlorite, etc., is used as a disinfectant for tap water.
[R61st-No. 16]
Which of the following statements regarding sewage systems is incorrect?
The manholes for pipes should be installed within a range where the length of the pipe does not exceed 200 times its inner diameter or inner width.
[R61st-No. 17]
Which of the following statements regarding water supply equipment is incorrect?
The elevated tank system results in larger fluctuations in water supply pressure compared to other water supply systems.
[R61st-No. 18]\nWhich of the following statements regarding hot water supply equipment is incorrect? Which of the following is incorrect? The linear expansion coefficient of cross-linked polyethylene pipes used for hot water pipes is smaller than that of stainless steel pipes.

[R6[1st Stage](Late Stage)-No. 19]
Which of the following descriptions regarding drainage and ventilation equipment is incorrect?
The minimum pipe diameter of the ventilation pipe is 25 mm.

[R6[1st Stage](Late Stage)-No. 20]
Which of the following descriptions regarding drainage and ventilation equipment is incorrect?
The lower part of the ventilation riser is connected to the drain riser at a position higher than the lowest drain horizontal branch pipe.

[R6[1st Stage](Late Stage)-No. 21]
Which of the following descriptions regarding indoor fire hydrant equipment is incorrect?
The easy-to-operate No. 1 fire hydrant allows the pressurized water supply device to be stopped from the fire hydrant box.

[R6[1st Stage](Late Stage)-No. 22]
Which of the following descriptions regarding gas equipment is incorrect?

The effective period of a liquefied petroleum gas (LPG) gas leak alarm is 7 years.
[R6[1st Stage](Late Period)-No. 23]
In the "Calculation Standards for the Number of Persons Treated by Septic Tanks According to the Building Use" stipulated in JIS, which of the following is NOT appropriate to calculate the number of persons treated by using the total floor area?
Public toilet
[R6[1st Stage](Late Period)-No. 24]
Which of the following descriptions regarding air conditioners, etc., is NOT appropriate?
Compact air conditioners require the same maintenance and inspection as unit-type air conditioners.
[R6[1st Stage](Late Period)-No. 25]
Which of the following descriptions regarding hot water supply equipment is NOT appropriate?
A sealed gas water heater is a device that takes combustion air from indoors and discharges combustion exhaust gas outdoors.
[R6[1st Stage](Late Period)-No. 26]
Which of the following descriptions regarding piping materials and piping accessories is NOT appropriate? Which of the following is incorrect?

Among the rigid polyvinyl chloride-lined steel pipes for water supply, SPG-VA is a carbon steel pipe for piping with rigid polyvinyl chloride lining on both the inner and outer surfaces.

[R61st-No. 27]
Which of the following descriptions regarding ducts and duct accessories is incorrect?

The plate thickness of a rectangular duct is determined by the perimeter of the duct.

[R61st-No. 28]
Which of the following combinations of "equipment" and "items to be described in the design documents" is incorrect?

[Equipment] Absorption chiller/heater\n[Items to be described in the design documents] Compressor capacity

[R61st-No. 29]
Which of the following descriptions regarding construction plans, etc., in public works is incorrect?

If there is a discrepancy between the contents of the standard specifications and the design drawings, the contents of the standard specifications shall take precedence.

[R6[1st Stage](Late Period)-No. 31]
Which of the following statements regarding quality control is incorrect?

While quality control improves quality, it also increases rework and raises costs.

[R6[1st Stage](Late Period)-No. 32]
Which of the following statements regarding safety management in construction work is incorrect?

Fatal accidents in construction work are more often caused by falling objects than by falls from heights.

[R6[1st Stage](Late Period)-No. 33]
Which of the following statements regarding equipment installation is incorrect?

After equipment installation, the threads at the top of the anchor bolts... , to prevent it from coming out of the nut.
[R61st-No. 34]
Which of the following descriptions regarding piping construction is incorrect?
When connecting a drinking water supply pipe and a well water pipe, an insulating flange joint shall be used.
[R61st-No. 35]
Which of the following descriptions regarding the construction of ducts and duct accessories is incorrect?
Universal type air outlets are used to adjust the airflow direction by opening and closing the shutter.
[R61st-No. 36]
Which of the following descriptions regarding insulation and painting is incorrect?
Water supply pump rotation Vibration-isolating joints should, in principle, be insulated.
[R61st-No. 37]
Which of the following descriptions regarding trial run adjustments is incorrect?
For centrifugal pumps, flow rate adjustment is performed by gradually closing the discharge valve from fully open.
[R61st-No. 38]
Which of the following combinations of "measurement target" and "measurement equipment" is incorrect?
[Measurement target] Noise [Measurement equipment] Detector tube
[R61st-No. 39]
Which of the following descriptions regarding safety and health management in construction work is incorrect under the "Industrial Safety and Health Act"? Employers are required to provide safety and health training to employees upon hiring them, but this requirement is waived if the work content is changed.

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