Which construction method involves assembling individual components or modules off-site and then transporting and assembling them on-site?
a) Cast-in-place construction
b) Prefabricated construction
c) Slipform construction
d) Traditional construction
View Answer
Answer: b) Prefabricated construction
Explanation: Prefabricated construction involves assembling components or modules off-site and then transporting and assembling them on-site.
What is the purpose of a vapor barrier in building construction?
a) To provide structural support
b) To enhance the building’s aesthetics
c) To control moisture and prevent condensation
d) To improve thermal insulation
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Answer: c) To control moisture and prevent condensation
Explanation: Vapor barriers are used to control moisture movement and prevent condensation within building components.
What does the abbreviation “HVAC” stand for in building services?
a) Heating, Ventilation, and Air Conditioning
b) Home Ventilation and Climate
c) House Ventilation and Cooling
d) High Voltage Alternating Current
View Answer
Answer: a) Heating, Ventilation, and Air Conditioning
Explanation: HVAC refers to the systems that provide heating, ventilation, and air conditioning in buildings.
Which type of heating system uses hot water or steam to distribute heat throughout a building?
a) Forced-air heating
b) Radiant heating
c) Baseboard heating
d) Hydronic heating
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Answer: d) Hydronic heating
Explanation: Hydronic heating systems use hot water or steam circulated through pipes or radiators to provide heat.
What is the purpose of a sump pump in a building’s basement?
a) To circulate hot water in the heating system
b) To remove rainwater or groundwater to prevent flooding
c) To control the indoor air quality
d) To pump water into the overhead water tank
View Answer
Answer: b) To remove rainwater or groundwater to prevent flooding
Explanation: Sump pumps are used to remove water from building basements and prevent flooding during heavy rains or rising groundwater levels.
Which building service is responsible for maintaining a safe and healthy indoor environment by controlling temperature, humidity, and air quality?
a) Lighting systems
b) Plumbing systems
c) HVAC systems
d) Communication systems
View Answer
Answer: c) HVAC systems
Explanation: HVAC systems are responsible for controlling temperature, humidity, and air quality to ensure a comfortable and healthy indoor environment.
What is the purpose of a backflow preventer in a plumbing system?
a) To regulate water pressure in the pipes
b) To prevent clogs in the drainage system
c) To ensure a continuous supply of water during power outages
d) To prevent the reverse flow of contaminated water into the main water supply
View Answer
Answer: d) To prevent the reverse flow of contaminated water into the main water supply
Explanation: Backflow preventers are used to prevent the contamination of the main water supply by stopping the reverse flow of water from a building’s plumbing system.
Which type of road surface material is known for its durability, smoothness, and resistance to weathering?
a) Concrete
b) Asphalt
c) Gravel
d) Cobblestone
View Answer
Answer: b) Asphalt
Explanation: Asphalt is known for its durability, smoothness, and resistance to weathering, making it a commonly used road surface material.
What is the primary purpose of a culvert in local infrastructures?
a) To provide shade and shelter for pedestrians
b) To carry stormwater and surface runoff under roads or railways
c) To reduce traffic congestion
d) To collect and store rainwater for irrigation
View Answer
Answer: b) To carry stormwater and surface runoff under roads or railways
Explanation: Culverts are used to allow the flow of water under roads, railways, or other structures to prevent flooding and erosion.
Which type of irrigation system involves flooding the fields with water to irrigate the crops?
a) Drip irrigation
b) Sprinkler irrigation
c) Surface irrigation
d) Subsurface irrigation
View Answer
Answer: c) Surface irrigation
Explanation: Surface irrigation involves flooding the fields with water, allowing it to flow over the surface to irrigate the crops.