1221. What is the primary advantage of using plastics in construction?
a) High strength
b) Fire resistance
c) Resistance to moisture
d) Thermal conductivity
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.
1222. Which material is commonly used for the production of plastic roofing sheets in construction?
a) Glass
b) Plastic
c) Asphalt
d) Surkhi
View Answer
Answer: b) Plastic
Explanation: Plastic materials, such as polycarbonate or PVC, are commonly used for manufacturing plastic roofing sheets due to their lightweight, durability, and weather resistance.
1223. What is the primary advantage of using glass in construction?
a) Insulation from heat and cold
b) Resistance to chemical corrosion
c) Soundproofing properties
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.
1224. Which material is commonly used for the production of plastic pipes for drainage systems?
a) Glass
b) Plastic
c) Asphalt
d) Surkhi
View Answer
Answer: b) Plastic
Explanation: Plastic materials, such as PVC or HDPE, are commonly used for manufacturing plastic pipes for drainage systems due to their corrosion resistance and durability.
1225. What is the primary advantage of using plastics in construction?
a) High strength
b) Fire resistance
c) Resistance to moisture
d) Thermal insulation
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.
1226. Which material is commonly used for the production of plastic façade panels in construction?
a) Glass
b) Plastic
c) Asphalt
d) Surkhi
View Answer
Answer: b) Plastic
Explanation: Plastic materials, such as composite panels made from plastic and wood fibers or fiber-reinforced polymers, are commonly used for manufacturing plastic façade panels in construction.
1227. What is the primary advantage of using glass in construction?
a) Insulation from heat and cold
b) Resistance to chemical corrosion
c) Fire resistance
d) Transparency and visibility
View Answer
Answer: d) Transparency and visibility
Explanation: Glass is transparent, allowing natural light to enter the building and providing a visual connection to the outside environment.
1228. Which material is commonly used for the production 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 or PEX, are commonly used for manufacturing plastic plumbing pipes and fittings due to their corrosion resistance, flexibility, and ease of installation.
1229. What is the primary advantage of using plastics in construction?
a) High strength
b) Fire resistance
c) Low cost
d) Resistance to corrosion
View Answer
Answer: c) Low cost
Explanation: Plastics are often cost-effective compared to other construction materials, making them a popular choice for various applications.
1230. Which material is commonly used for the production of plastic gutters and downspouts in construction?
a) Glass
b) Plastic
c) Asphalt
d) Surkhi
View Answer
Answer: b) Plastic
Explanation: Plastic materials, such as PVC or ABS, are commonly used for manufacturing plastic gutters and downspouts in construction due to their corrosion resistance and durability.
