Quiz on Concrete Work in Residential Building Construction

What is the purpose of mixing concrete according to the specified ratio?

• To create a decorative appearance

• To ensure the right strength and durability

• To reduce material costs

• To speed up the construction process

What is the typical water-cement ratio used for mixing concrete manually?

• 0.3

• 1.0

• 0.5

• 0.7

What type of cement is usually used for urgent construction work?

• White Portland Cement

• Ordinary Portland Cement

• Low Heat Cement

• Quick Drying Cement

What is the main function of aggregate in concrete?

• To increase volume

• To improve workability

• To act as a binding agent

• To provide color

Which of the following is NOT a type of fine aggregate?

• River sand

• Crushed stone

• Lime dust

• Mining dust

What is the maximum size of coarse aggregate recommended for reinforced concrete?

• 40mm

• 10mm

• 20mm

• 30mm

What is the purpose of using additives in concrete?

• To reduce the weight of concrete

• To improve the properties of concrete

• To change the color of concrete

• To increase the drying time

What test is used to measure the work of concrete?

• Slump Test

• Tensile Test

• Compressive Test

• Flexural Test

What is the standard size of the concrete cube used for strength testing?

• 200mm x 200mm x 200mm

• 150mm x 150mm x 150mm

• 100mm x 100mm x 100mm

• 250mm x 250mm x 250mm

What does the slump test result indicate?

• Concrete density

• Concrete strength

• Concrete workability

• Concrete curing time