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Cement (Previous year questions)

Quiz by Gladson T Alex

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39 questions
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  • Q1
    In the manufacturing of cement, burning process is carried out in a
    Hoffman's kiln
    Bull's trench kiln
    Rotary Kiln
    Tunnel kiln
    30s
  • Q2
    Chief chemical constituent of cement
    C3S
    CaO
    Al2O3
    SiO2
    30s
  • Q3
    Gypsum is added in the manufacture of portland cement in order to
    Shorten the setting time
    Decrease buring temperature
    Decrease the grinding time
    Lengthen the setting time of cement
    30s
  • Q4
    The soundness of cement is tested by
    Consistency
    Air permeability method
    Vicat apparatus
    Le-Chatelier method
    30s
  • Q5
    Effloresnce in cement is caused due to the excess
    Iron oxide
    Lime
    Alkalis
    Silica
    30s
  • Q6
    Degree of grinding of cement is called
    Bulking
    Fineness
    Impact value
    Soundness
    30s
  • Q7
    The main ingredients of portland cement are
    Silica and alumina
    Limke and alumina
    Lime and silica
    Lime and iron
    30s
  • Q8
    Le-Chatelier device used for determining the
    Setting of cement
    Compressive strength of cement
    Tensile strength
    Soundness of cement
    30s
  • Q9
    Gypsum consist of
    H3S and CO2
    CaSO4 and H2O
    Lime and H2O
    CO2 AND Calcium
    30s
  • Q10
    The volume of one bag of cement weiging 50Kg is
    0.05m3
    0.0345m3
    0.025m3
    0.04m3
    30s
  • Q11
    The cement bag contain 0.035m3 of cement by volume. How many bags will on tonne of cement comprises
    17
    20
    18
    16
    30s
  • Q12
    A compound which contrbutes the highest share of heat of hydration in cement
    Gypsum
    Combined lime
    C3S
    C3A
    30s
  • Q13
    What is the density of cement in bulk form
    1700kg/m3
    2500kg/m3
    1440Kg/m3
    2400kg/m3
    30s
  • Q14
    The ingredient which impart quick setting property of cement
    Magnesia
    Alumina
    Silca
    Calcium Sulphate
    30s
  • Q15
    Hydrophobic cement is obtained by grinding ordinary portland cement clinker with
    Acetol
    Glycerin
    Oleic acid
    Hydrochloric acid
    30s

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