Concrete Technology Questions

• Concrete gains strength due to
• If the slump of a concrete mix is 60 mm, its workability is
• Water cement ratio is generally expressed in volume of water required per
• In slump test, each layer of concrete is compacted by a steel rod 60 cm long and of 16 mm diameter for
• Pick up the correct statement from the following:
• The shuttering of a hall measuring 4 m x 5 m, can be removed after
• Log Angles machine is used to test the aggregate for
• If the effective plan area of a warehouse is 54 sq. m, and maximum height of piles permitted is 270 cm, the number of cement bags to be stored, is
• To prevent segregation, the maximum height for placing concrete, is
• For a good concrete
• Pick up the incorrect statement from the following:
• If 50 kg of fine aggregates and 100 kg of coarse agregates are mixed in a concrete whose water cement ratio is 0.6, the weight of water required for harsh mix, is
• Pick up the correct statement from the following:
• The strength and quality of concrete, depend upon:
• Inert material of a cement concrete mix, is
• Pick up the correct statement from the following:
• Horizontal construction joints in concrete walls are generally provided at
• An excess of flaky particles in concrete aggregates
• An aggregate is known as cyclopean aggregate if its size is more than
• In the method of voids for determination of the quantity of cement paste, it is assumed that