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Lembar kerjaD11 QUIZ OF THE DAY
Total soal: 25
Worksheet time: 25mins
Nama
Kelas
Tanggal
1.
A thin pourable suspension of slaked lime in water is known as
a)
Water of lime
b)
Milk of lime
c)
Solution of lime
d)
All of the above
2.
Heating of limestone in contact with air is called
a)
Slaking
b)
Drying
c)
Calcination
d)
All of the above
3.
Hydraulic lime is also known as
a)
Water lime
b)
Quick lime
c)
Pure lime
d)
Poor lime
4.
The binding materials which sets and attain their strength in the presence of water and absence of air is termed as
a)
Binding
b)
Air binding materials
c)
Hydraulic binding materials
d)
None of these
5.
The continuous kiln in which fuel does not comes in contact with limestone is known as
a)
Continuous flame kiln
b)
Continuous flare kiln
c)
continuous kiln
d)
Both a and b
6.
The continuous kiln in which mixture of fuel and limestone is fed from the top is known as
a)
Continuous flame kiln
b)
Continuous flare kiln
c)
Continues kiln
d)
All of the above
7.
The imperfectly calcined lime does not slake with water is known as
a)
Slaked lime
b)
Dead-burnt lime
c)
double burnt lime
d)
None of these
8.
The lime composed of about 95% calcium oxide is termed as
a)
Hydraulic lime
b)
Water lime
c)
Fat lime
d)
Both a and b
9.
The lime that contains 11% to 20% clay content is termed as
a)
Eminently hydraulic lime
b)
Moderately hydraulic lime
c)
Feebly hydraulic lime
d)
Caustic lime
10.
The product obtained by the calcinations of limestone is
a)
CaO
b)
CaCO3
c)
Ca( OH )2
d)
None of these
11.
The quick lime as it comes out from the kiln is known as
a)
Hydrated lime
b)
Lump lime
c)
Doubled kilned lime
d)
Calcinated lime
12.
The quick lime slakes by the process of
a)
slaking
b)
kiln slaking
c)
Natural- slaking
d)
Water- slaking
13.
Which is a pure lime stone
a)
Kankar
b)
Quick lime
c)
white chalk
d)
all of the above
14.
Which lime is commonly used for white washing
a)
Hydraulic lime
b)
fat lime
c)
Poor lime
d)
All of these
15.
As impurities increases, rate of slaking
a)
Increases
b)
No effect
c)
Decreases
d)
Increases then decreases
16.
The lime used for finishing coat in plastering is
a)
kankar lime
b)
semi hydraulic lime
c)
Eminently hydraulic lime
d)
magnesium lime
17.
Fat lime slakes between
a)
3-4 hours
b)
24 hours
c)
3 days
d)
7 days
18.
Hydraulic lime is obtained by burning
a)
oolitic lime stone
b)
kankar
c)
marble
d)
tufa
19.
The lime used for finishing coat in plastering is
a)
semi hydraulic lime
b)
kankar lime
c)
dolomite lime
d)
eminently hydraulic lime
20.
When impurity increases, hydraulicity
a)
increases
b)
decreases
c)
no effect
d)
increases then decreases
21.
The lime sets on absorbing CO2 from atmosphere is
a)
rich lime
b)
feebly hydraulic lime
c)
lean lime
d)
hydraulic lime
22.
Which of the following pairs is not correctly matched?
a)
Class A – Structural work
b)
Class B – Masonry work
c)
Class C – Whitewashing
d)
Class D – Concrete work
23.
What is the speciality of Hydraulic Lime?
a)
Contains clay
b)
It is an air binding material
c)
Does not set under water
d)
Perfectly white in colour
24.
Which of the following is a property of Fat Lime ?
a)
Slakes very slowly
b)
Contains clay
c)
High degree of plasticity
d)
Poor binding property
25.
Which of the following slakes after few minutes?
a)
Feebly Hydraulic Lime
b)
Moderately Hydraulic Lime
c)
Eminently Hydraulic Lime
d)
Perfectly Hydraulic Lime
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