In preliminary test, the concrete is placed in the mould in

Related MCQs

• 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
• The preliminary test should be repeated if the difference of compressive strength of three test specimens exceeds
• The concrete in which preliminary tests are performed for designing the mix is called
• The concrete in which no preliminary tests are performed for designing the mix is called
• In performing preliminary test
• The preliminary test is always conducted in the field.
• The steel mould used for slump test is in the form of a
• The top diameter, bottom diameter and height of the mould used for slump test are respectively
• For performing the compressive strength test of cement, the size of cube mould should be 7.06 cm side.
• Separating out of the ingredients of concrete mix from concrete is known as……… .