41. The term “bitumen roofing shingles” refers to shingles made from:
a) Concrete
b) Metal
c) Clay
d) Bituminous material
View Answer
Correct answer: d) Bituminous material
Explanation: Bitumen roofing shingles are roofing materials made from bituminous materials. They are widely used in residential and commercial buildings for their durability and weather resistance.
42. The term “bitumen expansion joint” refers to a joint used to accommodate:
a) Thermal expansion and contraction
b) Water infiltration
c) Structural movement
d) Wind pressure
View Answer
Correct answer: a) Thermal expansion and contraction
Explanation: Bitumen expansion joints are designed to accommodate the thermal expansion and contraction of materials, such as in bridges and pavements, to prevent damage from temperature variations.
43. Bitumen is commonly used as a binder in the production of:
a) Concrete blocks
b) Asphalt mixtures
c) Steel structures
d) Glass panels
View Answer
Correct answer: b) Asphalt mixtures
Explanation: Bitumen serves as a binder in the production of asphalt mixtures used for road construction. It helps to bind the aggregates together, providing strength and durability to the pavement.
44. The term “bitumen membrane roofing” refers to a type of roofing system that uses:
a) Metal sheets
b) Clay tiles
c) Bitumen sheets
d) Wood shingles
View Answer
Correct answer: c) Bitumen sheets
Explanation: Bitumen membrane roofing is a type of roofing system that uses bitumen sheets or rolls. It provides excellent waterproofing and is commonly used for flat or low-slope roofs.
45. The term “bitumen impregnated board” refers to a board that has been treated with:
a) Paint
b) Varnish
c) Bitumen
d) Adhesive
View Answer
Correct answer: c) Bitumen
Explanation: Bitumen impregnated board is a board that has been treated with bitumen to improve its water resistance and durability. It is commonly used for insulation and construction purposes.
46. The term “bitumen-based sealant” refers to a sealant used for:
a) Metal joints
b) Concrete cracks
c) Wood surfaces
d) Glass panels
View Answer
Correct answer: b) Concrete cracks
Explanation: Bitumen-based sealants are commonly used to seal cracks in concrete surfaces, providing waterproofing and protection against moisture intrusion.
47. The term “bitumen waterproofing” refers to the application of bitumen to:
a) Metal surfaces
b) Wood structures
c) Concrete surfaces
d) Plastic materials
View Answer
Correct answer: c) Concrete surfaces
Explanation: Bitumen waterproofing involves the application of bitumen coatings or membranes on concrete surfaces to prevent water penetration and provide effective waterproofing.
48. The term “bitumen roofing felt” refers to a type of roofing material made from:
a) Fiberglass
b) Aluminum
c) Bitumen-impregnated felt
d) Synthetic polymers
View Answer
Correct answer: c) Bitumen-impregnated felt
Explanation: Bitumen roofing felt is a roofing material made from a base material, usually felt, impregnated with bitumen. It is commonly used as an underlayment for roofs to provide additional waterproofing.
49. Bitumen is resistant to:
a) Fire
b) Chemicals
c) UV radiation
d) All of the above
View Answer
Correct answer: d) All of the above
Explanation: Bitumen exhibits high resistance to fire, chemicals, and UV radiation, making it suitable for various applications where these properties are required.
50. The term “bitumen paint” refers to a type of paint that contains:
a) Bituminous materials
b) Acrylic polymers
c) Epoxy resins
d) Water-based emulsions
View Answer
Correct answer: a) Bituminous materials
Explanation: Bitumen paint is a type of paint that contains bituminous materials as the primary component. It is commonly used for coating surfaces to provide protection against corrosion and water penetration.
