Concrete Technology Questions

• Pick up the correct statement from the following:
• The top diameter, bottom diameter and the height of a slump mould are :
• For concreting tunnel linings, tran-portation of concrete is done by
• The cement whose strength is a little lower than the ordinary cement during the first three months but attains afterwards the same strength, is known as
• Saw dust can be rendered chemically inert by boiling it in water containing
• The operation of removing humps and hollows of uniform concrete surface, is known as
• Pick up the correct statement from the following:
• The aggregate containing moisture in pores and having its suface dry, is known as
• The commercial name of white and coloured cement in India, is
• If the engineer-in-charge approves, the 10 cm cubes may be used for the work test of concrete provided maximum nominal size of aggregate, does not exceed
• Pick up the correct statement from the following:
• Pick up the correct statement from the following:
• For the construction of R.C.C. slabs, columns, beams, walls, etc. the grade of concrete mix used, is
• Slump test of concrete is a measure ofits
• The void ratio of
• The condition not applicable to water cement ratio law, is
• The type of aggregates not suitable for high strength concrete and for pavements subjected to tension, is
• Pick up the incorrect statement from the following:
• For preparing a test-specimen, it is necessary
• High temperature