
Cement (Previous year questions)
Quiz by Gladson T Alex
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39 questions
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- Q1In the manufacturing of cement, burning process is carried out in aHoffman's kilnBull's trench kilnRotary KilnTunnel kiln30s
- Q2Chief chemical constituent of cementC3SCaOAl2O3SiO230s
- Q3Gypsum is added in the manufacture of portland cement in order toShorten the setting timeDecrease buring temperatureDecrease the grinding timeLengthen the setting time of cement30s
- Q4The soundness of cement is tested byConsistencyAir permeability methodVicat apparatusLe-Chatelier method30s
- Q5Effloresnce in cement is caused due to the excessIron oxideLimeAlkalisSilica30s
- Q6Degree of grinding of cement is calledBulkingFinenessImpact valueSoundness30s
- Q7The main ingredients of portland cement areSilica and aluminaLimke and aluminaLime and silicaLime and iron30s
- Q8Le-Chatelier device used for determining theSetting of cementCompressive strength of cementTensile strengthSoundness of cement30s
- Q9Gypsum consist ofH3S and CO2CaSO4 and H2OLime and H2OCO2 AND Calcium30s
- Q10The volume of one bag of cement weiging 50Kg is0.05m30.0345m30.025m30.04m330s
- Q11The cement bag contain 0.035m3 of cement by volume. How many bags will on tonne of cement comprises1720181630s
- Q12A compound which contrbutes the highest share of heat of hydration in cementGypsumCombined limeC3SC3A30s
- Q13What is the density of cement in bulk form1700kg/m32500kg/m31440Kg/m32400kg/m330s
- Q14The ingredient which impart quick setting property of cementMagnesiaAluminaSilcaCalcium Sulphate30s
- Q15Hydrophobic cement is obtained by grinding ordinary portland cement clinker withAcetolGlycerinOleic acidHydrochloric acid30s