The normal consistency of Portland cement is about -

ক 10%
খ 15%
গ 20%
ঘ 25%

সঠিক উত্তর: 25%

The correct option is D The normal consistency of ordinary Portland cement is between 25 - 30 %. The consistency of the cement test is done to determine the quantity of water to be added to get its standard or normal consistency.
Bissoy MCQ

Related Questions

Alumina, silica, lime and iron oxide are the basic raw material for the manufacture of portland cement. The component of Portland cement which first hardens is
ক 5CaO . 3Al2O3
খ 3CaO . Al2O3
গ 3CaO . SiO2
ঘ 2CaO . SiO2
The normal consistency of ordinary Portland cement is about
ক 10%
খ 20%
গ 30%
ঘ 40%
As compared to ordinary portland cement, high alumina cement has
ক Higher initial setting time but lower final setting time
খ Lower initial setting time but higher final setting time
গ Higher initial and final setting times
ঘ Lower initial and final setting times
As compared to ordinary portland cement, use of pozzuolanic cement
ক Reduces workability
খ Increases bleeding
গ Increases shrinkage
ঘ Increases strength
Ordinary Portland Cement এর Initial Setting Time কত?
ক ৫ মিনিট
খ ১০ মিনিট
গ ৩০ মিনিট
ঘ ৫ ঘণ্টা
Addition of pozzolana to ordinary Portland cement increases
ক Bleeding
খ Shrinkage
গ Permeability
ঘ Heat of hydration
As per IS specifications, the maximum final setting time for ordinary Portland cement should be
ক 30 minutes
খ 1 hour
গ 6 hours
ঘ 10 hours
The initial setting time for ordinary Portland cement as per IS specifications should not be less than
ক 10 minutes
খ 30 minutes
গ 60 minutes
ঘ 600 minutes
According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than
ক 7 MPa
খ 11.5 MPa
গ 16 MPa
ঘ 21 MPa
The addition of gypsum to portland cement helps in :
ক Increasing the strength of cement
খ Rapid setting of cement
গ Preventing rapid setting of cement
ঘ Reduction in the cost of cement

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