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WorksheetsLime
Total questions: 38
Worksheet time: 19mins
Name
Class
Date
1.
Hydraulic lime mortar should be used with in __________ hours of mixing
a)
1
b)
4
c)
10
d)
24
2.
How many operations are involved in the manufacture of fat lime ?
a)
1
b)
2
c)
3
d)
4
3.
The maximum increase in volume when water is added to fat lime is __________
a)
1.5 times
b)
2.5 times
c)
3 times
d)
3.5 times
4.
The minimum compressive strength of lime mortar 1 : 3 with Class A lime at the end of 14 days is
a)
1.75 N/mm²
b)
1.25 N/mm²
c)
2.8 N/mm²
d)
1.5 N/mm²
5.
Limestone comes under the category of :
a)
Aqueous rock
b)
Sedimentary rock
c)
Stratified rock
d)
All of these
6.
Which rock has main content of calcium carbonate?
a)
Argillaceous rocks
b)
Siliceous rocks
c)
Foliated rocks
d)
Calcareous rocks
7.
Lime is used for :
a)
As a matrix for concrete
b)
Improving soil for agriculture
c)
For plastering
d)
All of these
8.
Which test is conducted to know the classification of lime?
a)
Ball test
b)
Visual test
c)
Impurity test
d)
Workability test
9.
Plaster of Paris is obtained from the calcinations of
a)
Bauxite
b)
Limestone
c)
Dolomite
d)
Gypsum
10.
When water is added to quicklime it cracks, swells and falls into a powdery form. This process is called :
a)
Calcination
b)
Hydraulicity
c)
Slaking
d)
Setting
11.
Chemical name of Plaster of paris is
a)
Calcium Oxide
b)
Calcium Sulphate
c)
Calcium Carbonate
d)
Calcium Hydrate
12.
The chemical formula of lime is
a)
CaO
b)
Ca(OH)2
c)
NaO
d)
CaCO3
13.
What is the chemical formula for limestone?
a)
CaO
b)
Ca(OH)2
c)
CaO2
d)
CaCo3
14.
Which lime is used for construction of masonry?
a)
Class D
b)
Class C
c)
Class B
d)
Class A
15.
The chemical action between lime and water is technically known as
a)
Dehydration
b)
Carbonation
c)
Calcination
d)
Hydration
16.
The lime commonly used under damp situation is :
a)
Fat lime
b)
Hydraulic lime
c)
Lean lime
d)
Hydrated lime
17.
Which of the following hydraulic limes contains maximum quantity of clay ?
a)
Feebly hydraulic lime
b)
Ordinary hydraulic lime
c)
Eminently hydraulic lime
d)
All have equal quantity of clay
18.
Which lime is popularly known as fat lime
a)
High calcium
b)
Slaked
c)
Hydraulic
d)
Quick
19.
The product obtained after slaking of quick lime is :
a)
Hydrated lime
b)
Quick lime
c)
Caustic lime
d)
Poor lime
20.
The lime which is composed of about 95% of calcium oxide is :
a)
Hydraulic lime
b)
Lime stone
c)
Poor lime
d)
Fat lime
21.
Which lime is known as water lime ?
a)
Hydraulic lime
b)
Slaked lime
c)
Quick lime
d)
Fat lime
22.
The lime that has a high calcium oxide content and is dependent for setting and hardening solely on the absorption of carbon dioxide from the atmosphere
a)
Hydraulic lime
b)
Lean lime
c)
Fat lime
d)
Lump lime
23.
Which of the following is suitable for masonry construction ?
a)
Hydraulic lime
b)
Quick lime
c)
Siliceous dolomite lime
d)
Poor lime
24.
The purpose of this test is to assess the plasticity of lime
a)
Impurity test
b)
Workability test
c)
Plasticity test
d)
Ball test
25.
Hydraulic lime
a)
It cannot set under water
b)
It is not very strong in mortar
c)
It has white colour
d)
It slakes gently
26.
For construction of structures under water the lime used is
a)
Pure lime
b)
Quick lime
c)
Flat lime
d)
Hydraulic lime
27.
Lime which is obtained by calcination of comparatively pure lime stone is called
a)
Quick lime
b)
Slaked line
c)
Fat lime
d)
Hydraulic lime
28.
The lime which contains mainly calcium oxide and is capable of slacking with water is :
a)
Quick lime
b)
Fat lime
c)
Poor lime
d)
Hydraulic lime
29.
What lime is known as caustic lime?
a)
Quick lime
b)
Slaked line
c)
Fat lime
d)
Hydraulic lime
30.
Which lime is commonly used for white washing ?
a)
Quick lime
b)
Hydraulic lime
c)
Fat lime
d)
Slaked lime
31.
Lime mortar is made by using :
a)
Quick lime
b)
Fat lime
c)
Hydraulic lime
d)
White lime
32.
Hydraulic lime generates __________ heat as compared to fat lime
a)
Same
b)
Less
c)
More
d)
Equal
33.
Bleaching powder is
a)
Slaked lime
b)
Hypo - chlorite lime
c)
Chloride of lime
d)
Pure lime
34.
Heating of limestone to obtain quick lime is
a)
Slaking
b)
Calcination
c)
Hydration
d)
Bulking
35.
The property of a lime to set in damp places or in thick masonry is known as
a)
Slaking
b)
Hydraulicity
c)
Calcination
d)
None of these
36.
The setting of hydraulic lime and cement is facilitated by the presence of
a)
Water
b)
Oxygen
c)
Air
d)
All of these
37.
The setting of quick lime is due to the presence of :
a)
Water
b)
Sulphur dioxide
c)
Oxygen
d)
Carbon dioxide
38.
Quick lime if left exposed to air
a)
Will absence CO₂
b)
Will absorb moisture
c)
Will become inert powder of calcium carbonate
d)
All of these
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