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WorksheetsRC Beam - Quiz (2)
Total questions: 10
Worksheet time: 5mins
What criteria is used to select a beam size according to the document?
Deflection control criteria and reinforcement placement
Color and texture of the beam
Cost and availability of materials
Environmental impact
Why is it important to specify the nominal cover on drawings?
To ensure aesthetic consistency
To maintain structural safety and compliance
To reduce construction time
To minimize material usage
Which of the following is NOT a function of spacer blocks?
Providing cover to reinforcement
Supporting structural integrity
Enhancing thermal insulation
Ensuring proper alignment of rebar
What is one of the purposes of the concrete cover in construction?
To enhance aesthetic appeal
To provide safe transfer of bond forces
To reduce weight
To increase flexibility
What should sections containing less reinforcement than As,min be considered as?
Unreinforced
Overreinforced
Under tension
Over tension
According to BS EN 1990, what is the design working life for temporary structures?
<10 years
10 to 25 years
15 to 30 years
50 years
Which exposure class is linked to an indicative strength class of C30/37 for chloride-induced corrosion from sea-water?
XS1
XS2
XS3
XD1
For chemical attack in exposure class XA3, what is the indicative strength class?
C12/15
C30/37
C25/30
C35/45
What is the primary reason for using a concrete cover in reinforced concrete structures?
To improve thermal performance
To prevent corrosion of reinforcement
To facilitate easier construction
To enhance load-bearing capacity
Which of the following factors is NOT considered when determining the concrete cover?
Color preferences
Load-bearing requirements
Corrosion resistance
Environmental conditions
