LECTURE 3 QUIZ

Which of the following is a characteristic of Galvanized Iron (G.I.)?

• Contains between 0.12% - 2.0% carbon.

• Coated in a layer of zinc to resist corrosion.

• Cheaper and more common in steel construction.

• Easily rusts and requires frequent maintenance.

What is the primary purpose of reinforcement bars (rebar) in concrete structures?

• To increase the weight of the concrete.

• To act as a compression device in reinforced concrete.

• To aid concrete in carrying tensile loads and strengthen it under tension.

• To replace concrete in areas requiring higher strength.

Which of the following is categorized as a tubular section in typical steel components?

• UB/WF/SF

• SHS, RHS, CHS

• C & Z channels

• Steel bars, plates, and sheets

What are light-gauge steel sections typically used for?

• Supporting heavy structural loads

• Secondary structural members and framing

• Decorative elements in buildings

• Flooring material in timber buildings

How do arch frames primarily transfer forces to the ground?

• Through tension within the structure

• By bending forces along the arch

• By distributing forces evenly across cables

• Through compression within the structure

What is a common characteristic of both arch and tension frames?

• Both use cables for tension

• Both rely entirely on compression forces

• Both can span large areas (long spans)

• Both require tubular members for buckling resistance

Which type of support frame is designed to prevent any movement or rotation?

• Fixed Support Frames

• Rolled Support Frames

• Arch Frames

• Tension Frames

What is the purpose of rolled support frames in steel structures?

• To ensure stability by preventing movement

• To support thermal expansion and contraction

• To allow horizontal movement

• To provide additional tension to the structure

What is the purpose of mesh reinforcement in composite slabs?

• To increase the weight of the structure

• To reduce cracking and spread localized loads

• To eliminate the need for shear connectors

• To replace concrete in the slab

What is the function of the metal deck in the composite slab system?

• To act as permanent flooring

• To act as a base before pouring concrete above it

• To provide additional thermal insulation

• To span long distances without beams