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Consider the following statements:<br>A high lime content in a composite cement-lime mortar results in<br>(i) Slow hardening<br>(ii) Quick setting<br>(iii) Weaker mortar
A
(ii) and (iii) are correct
B
(i) and (ii) are correct
C
(i) and (iii) are correct
D
(i), (ii) and (iii) are correct
Correct Answer:
(i) and (iii) are correct
Consider the following statements:
(i) Masonry in rich cement mortar though having good strength with high shrinkage is much liable for surface cracks.
(ii) Lime mortar possesses poor workability and poor water retentivity and also suffers high shrinkage.
(iii) Masonry in lime mortar has better resistance against rain penetration and is less liable to crack when compared to masonry in cement mortar.
Which of these statements are correct?
A
(i), (ii) and (iii)
B
(i) and (ii)
C
(ii) and (iii)
D
(i) and (iii)
Study the following statements.
(i) Hydraulic lime is suitable for white washing,
(ii) Fat lime is suitable for whitewashing,
(iii) Hydraulic lime is suitable for making mortar,
(iv) Fat lime is suitable for making mortar.
A
(i) and (iv)
B
(ii) and (iii)
C
(i) and (ii)
D
(iii) and (iv)
Assertion A : Lime based mortars give higher ratio of brickwork strength to mortar strength as compared to non-lime mortar.
Reason R : Lime based mortars have lower bond strength as compared to non-lime mortars.
Select your answer according to the codes given below:
A
Both A and R is true and R is the correct explanation of A
B
Both A and R is true but R is not the correct explanation of A
C
A is true but R is false
D
A is false but R is true
Maximum slenderness ratio of load bearing walls for a dwelling having more than 2 storeys
(i) Shall not exceed 12 if lime mortar is used
(ii) Shall not exceed 18 if cement lime mortar 1 : 2 : 9 is used
(iii) Shall not exceed 24 if cement mortar 1 : 6 is used
A
(i) and (ii) are correct
B
(ii) and (iii) are correct
C
(i) and (iii) are correct
D
(i) and (ii) and (iii) are correct
For first class building the foundation and plinth shall be of 1st class brickwork in lime mortar or 1:2 cement mortar over lime concrete or 1:6:7 cement concrete.
A
True
B
False
In order to improve the adhesive and tensile properties of the lime mortar, the _________ is added to the lime mortar.
A
Steel flake
B
Rubber gum
C
Carbon fibre
D
Hump
Which lime is referred to as burned lime or quick lime
A
CaO
B
Ca(OH)<sub>2</sub>
C
CaMg(CO<sub>3</sub>)<sub>2</sub>
D
CaCO<sub>3</sub>
Consider the following statement. i. The slow sand filter is not efficient in removing turbidity ii. The slow sand filter has a high initial cost iii. Skilled supervision is required in slow sand filter Which of the above statement is/are correct?
A
Only iii
B
i, ii
C
i, ii, iii
D
ii, iii
Consider the following statements :
1. If x and y are composite numbers, then x + y is always composite.
2. There does not exist a natural number which is neither prime nor composite.
Which of the above statements is/are correct ?
A
1 only
B
2 only
C
Both 1 and 2
D
Neither 1 nor 2
There are five energy drinks - Red, Moto, Energy, Lion and Bull containing different range of sugar content. Moto having sugar content more than all otherdrinks. Energy having the sugar content only more than the Lion. Bull is not having sugar content more than the Red. Which of the following drink having the secondmost sugar content?
A
Bull
B
Energy
C
Red
D
Moto