The preliminary test should be repeated if the difference of compressive strength of three test specimens exceeds

Related MCQs

• For performing the compressive strength test of cement, the size of cube mould should be 7.06 cm side.
• The compressive strength of an ordinary Portland cement (1 : 3 cement mortar cube) after 7 days test should not be less than
• For compressive strength test of cement ………. water is added.
• According to Indian standard specifications for the compressive strength test of cement, the cement and standard sand mortar in the ratio of
• Which of the following cements is expected to have the highest compressive strength after 3 days.
• The concrete mix of grade M 25 means that the compressive strength of 15 cm cubes at 28 days after mixing is
• Each layer of concrete placed in the mould, in preliminary test, is compacted 25 times with a 20 mm diameter rod and 60 cm in length
• In performing preliminary test
• The preliminary test is always conducted in the field.
• In preliminary test, the concrete is placed in the mould in