22 VS- Describe briefly the following:
(a) Qualities of a good building stone
(b) Natural bed of stone
(c) Artificial stone
(d) Quarry dressing of stone - (a) Describe briefly the tests you will conduct to assure the quality of stones.
(b) It has been recommended to provide sandstone tiles on the facia of a multistorey
building. The climate in the region is equatorial. If you agree with the selection, justify
it or otherwise suggest some other stone with the reasons for the selection. - Name the various types of stones which are used for building works and give in brief the
specifications for a good building stone. - (a) What is the natural bed of stone? Why is it necessary to set a stone along its natural
bed?
(b) How would you classify the stone for engineering works?
(c) Discuss the agencies responsible for deterioration of stone. How can stone be preserved? - Briefly describe the following tests of stones:
(a) Durability test
(b) Crushing test
(c) Shear strength test
Also, state the significance of each of them.
yftigsi2i2 isyx
- Match List-I with List-II and select the correct answer using the codes given below the
lists:
List-I List-II
(Mineral) (Property)
A. Felspar 1. No cleavage
B. Gypsum 2. Hardness
C. Mica 3. Split along one or many directions
D. Limonite 4. Readily soak in water
Codes:
(a)ABCD (b)ABCD
1432 1423
(c)ABCD (d)ABCD
4231 2431 - Match List-I with List-II and select the correct answer using the codes given below the
lists:
List-I List-II
(Property of Mineral) (Definition/measurement)
A. Hardness 1. Splitting of minerals along
planes parallel to crystal faces
B. Streak 2. Shine on mineral surface
C. Cleavage 3. Mohs scale
D. Lusture 4. Mineral colour in powdered form