1181. What is the primary advantage of using plastics in construction?
a) High strength
b) Fire resistance
c) Lightweight
d) Sound insulation
View Answer
Answer: c) Lightweight
Explanation: Plastics are lightweight, making them easy to handle, transport, and install in construction projects.
1182. Which material is commonly used for roofing membranes in construction?
a) Glass
b) Plastic
c) Asphalt
d) Surkhi
View Answer
Answer: b) Plastic
Explanation: Plastic materials, such as PVC or TPO (thermoplastic olefin), are commonly used for roofing membranes due to their waterproofing and durability.
1183. What is the primary advantage of using glass in construction?
a) Insulation from heat and cold
b) Resistance to chemical corrosion
c) Flexibility
d) Optical clarity
View Answer
Answer: d) Optical clarity
Explanation: Glass provides excellent optical clarity, allowing clear visibility and natural light transmission, enhancing the overall aesthetics of a building.
1184. Which material is commonly used for the manufacturing of plastic windows and doors?
a) Glass
b) Plastic
c) Asphalt
d) Surkhi
View Answer
Answer: b) Plastic
Explanation: Plastic materials, such as PVC or UPVC (unplasticized polyvinyl chloride), are commonly used for manufacturing windows and doors due to their durability and insulation properties.
1185. What is the primary advantage of using plastics in construction?
a) High strength
b) Fire resistance
c) Resistance to moisture
d) Chemical stability
View Answer
Answer: c) Resistance to moisture
Explanation: Plastics are often resistant to moisture and water damage, making them suitable for applications where exposure to moisture is expected.
1186. Which material is commonly used for soundproofing in building partitions and walls?
a) Glass
b) Plastic
c) Asphalt
d) Surkhi
View Answer
Answer: b) Plastic
Explanation: Plastic materials, such as acoustic panels or soundproofing foams, are commonly used for soundproofing building partitions and walls.
1187. What is the primary advantage of using glass in construction?
a) Insulation from heat and cold
b) Resistance to chemical corrosion
c) Impact resistance
d) Versatility in design
View Answer
Answer: d) Versatility in design
Explanation: Glass offers versatility in design, as it can be customized in terms of color, transparency, texture, and pattern, allowing for creative architectural expressions.
1188. Which material is commonly used for the manufacturing of plastic plumbing pipes and fittings?
a) Glass
b) Plastic
c) Asphalt
d) Surkhi
View Answer
Answer: b) Plastic
Explanation: Plastic materials, such as PVC, CPVC (chlorinated polyvinyl chloride), or PPR (polypropylene random copolymer), are commonly used for manufacturing plumbing pipes and fittings.
1189. What is the primary advantage of using plastics in construction?
a) High strength
b) Fire resistance
c) Thermal conductivity
d) Resistance to corrosion
View Answer
Answer: d) Resistance to corrosion
Explanation: Plastics are often resistant to corrosion and chemicals, making them suitable for applications in corrosive environments.
1190. Which material is commonly used for the production of plastic sheets and panels in construction?
a) Glass
b) Plastic
c) Asphalt
d) Surkhi
View Answer
Answer: b) Plastic
Explanation: Plastic materials, such as acrylic, polycarbonate, or polyethylene, are commonly used for producing plastic sheets and panels used in construction.
