Assertion A : Paints with white lead base are not recommended for painting of iron works.Reason R : Paints with white lead base do not check rusting of iron.Select your answer according to the coding system given below:

Building Materials
Assertion A : Paints with white lead base are not recommended for painting of iron works.Reason R : Paints with white lead base do not check rusting of iron.Select your answer according to the coding system given below:

A is true but R is false

A is false but R is true

Both A and R is true and, R is the correct explanation of A

Both A and R is true but R is not the correct explanation of A

A is true but R is false

A is false but R is true

Both A and R is true and, R is the correct explanation of A

Both A and R is true but R is not the correct explanation of A

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Building Materials
Priming consists of

One part of white lead, 8 parts of chalk and one part of linseed oil

None to these

8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil

One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil

One part of white lead, 8 parts of chalk and one part of linseed oil

None to these

8 parts of white lead, one part of chalk and four parts of twice boiled linseed oil

One part of white lead, 8 parts of chalk and four parts of twice boiled linseed oil

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Building Materials
Putty is

Softened by a solution of pearl ash and quick-lime soaked in water

Used for fixing glass panes

All listed here

Made with finely powdered chalk and linseed oil

Softened by a solution of pearl ash and quick-lime soaked in water

Used for fixing glass panes

All listed here

Made with finely powdered chalk and linseed oil

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Building Materials
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.

(i) and (ii)

(ii) and (iii)

(i) and (iv)

(iii) and (iv)

(i) and (ii)

(ii) and (iii)

(i) and (iv)

(iii) and (iv)

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Building Materials
The harmonious mixing of the clay ingredients, is known as

None of these

Tempering

Blending

Weathering

None of these

Tempering

Blending

Weathering

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Building Materials
After storage, the strength of cement

Decreases

Increases

Remains same

May increase or decrease

Decreases

Increases

Remains same

May increase or decrease

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Building Materials

Building Materials Assertion A : Paints with white lead base are not recommended for painting of iron works.Reason R : Paints with white lead base do not check rusting of iron.Select your answer according to the coding system given below:

Building Materials Priming consists of

Building Materials Putty is

Building Materials 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.

Building Materials The harmonious mixing of the clay ingredients, is known as

Building Materials After storage, the strength of cement

Building Materials
Assertion A : Paints with white lead base are not recommended for painting of iron works.Reason R : Paints with white lead base do not check rusting of iron.Select your answer according to the coding system given below:

Building Materials
Priming consists of

Building Materials
Putty is

Building Materials
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.

Building Materials
The harmonious mixing of the clay ingredients, is known as

Building Materials
After storage, the strength of cement