VV f2w
- Match List-I with List-II and select the correct answer using the codes given below the
lists:
List-I List-II
(Type of Explosive) (Main Ingredient)
A. Gun powder 1. Cotton saturated with nitric acid
B. Blasting cotton 2. Saltpeter and charcole
C. Dynamite 3. Nitroglycerine absorbed in sandy earth
D. Cordite 4. Combination of nitroglycerine
and nitrocellulose
Codes:
(a)ABCD (b)ABCD
3124 2143
(c)ABCD (d)ABCD
2134 2314 - The sp. gr. of most of stones lie between
(a) 1.8 to 2.2 (b) 2.5 to 3.0
(c) 3.0 to 3.5 (d) 3.5 to 4.5 - Match List-I with List-II and select the correct answer using the codes given below the
lists:
List-I List-II
(Test on stones) (Property)
A. Absorption test 1. Resistance to weathering
B. Attrition test 2. Resistance to abrasion
C. Brard's test 3. Quality - Resistance to frost
Codes:
(a)ABC (b)ABC
321 324
(c)ABC (b)ABC
134 421 - The chemical used to protect stones in industrial towns is
(a) Ba (OH) 2 (b) CaCl 2
(c) H 2 SO 4 (d) caustic alkalis - The most suitable stone for building piers is
(a) granite (b) limestone
(c) sand stone (d) marble - Match List-I with List-II and select the correct answer using the codes given below the
lists:
List-I List-II
(Type of Structure) (Type of Stone)
A. Breakwater 1. Sandstone (coarse grained)
B. Arches 2. Basalt
C. Road metal 3. Granite
D. Railway ballast 4. Marble - Sand stone (fine grained)