100 Best Building Materials- Lime MCQ
Q33). Lime putty
a).is made from hydraulic lime
b).is made by adding lime to water
c).can be used only upto three days
d).all of above.
Correct Answer:
all of above.
Explanation:
Q34). Pick up the correct statement from the following :
a).Slaked lime contains calciuin hydroxide
b).Quick lime contains calcium:oxide
c).Slaked lime may be obtained from quick lime
d).All the above.
Correct Answer:
All the above.
Explanation:
Q35). Quick lime
a).generates heat when added to water
b).reacts with carbon dioxide
c).may be used for white-washing
d).all the above.
Correct Answer:
all the above.
Explanation:
Q36). The minimum percentage of silica, alumina and ferric oxide in lime for white washing, is
a).20
b).15
c).10
d).0
Correct Answer:
0
Explanation:
Q37). The initial setting time of hydraulic lime, is
a).30 minutes
b).60 minutes
c).90 minutes
d).120 minutes
Correct Answer:
120 minutes
Explanation:
Q38). The initial setting time of lime-pozzolona, is
a).30 minutes
b).60 minutes
c).90 minutes
d).120 minutes
Correct Answer:
120 minutes
Explanation:
Q39). The normal curing period for lime mortar, is :
a).1 day
b).3 days
c).7 days
d).10 days
Correct Answer:
7 days
Explanation: