Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below:

Building Materials
Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below:

A is true but R is false

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

Both A and R is true and R is not a correct explanation of A

A is false but R is true

A is true but R is false

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

Both A and R is true and R is not a correct explanation of A

A is false but R is true

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Building Materials
Soundness of cement is tested by

None of these

Compressive strength testing apparatus

Vicat's apparatus

Le-chatelier apparatus

None of these

Compressive strength testing apparatus

Vicat's apparatus

Le-chatelier apparatus

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Building Materials
The thermosetting plastic

At 127°C to 177°C permanently set and further application of heat does not soften it

Chars at 343°C

All listed here

Becomes rigid when moulded at suitable pressure and temperature

At 127°C to 177°C permanently set and further application of heat does not soften it

Chars at 343°C

All listed here

Becomes rigid when moulded at suitable pressure and temperature

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Building Materials
To give a brilliant finish, the type of varnish used, is

Spirit varnish

Oil varnish

Water varnish

Turpentine varnish

Spirit varnish

Oil varnish

Water varnish

Turpentine varnish

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Building Materials
The main ingredients of Portland cement are

Silica and alumina

Lime and alumina

Lime and silica

Lime and iron

Silica and alumina

Lime and alumina

Lime and silica

Lime and iron

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Building Materials
The specific gravity of marble, is

2.6

2.5

2.66

2.72

2.6

2.5

2.66

2.72

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Building Materials

Building Materials Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below:

Building Materials Soundness of cement is tested by

Building Materials The thermosetting plastic

Building Materials To give a brilliant finish, the type of varnish used, is

Building Materials The main ingredients of Portland cement are

Building Materials The specific gravity of marble, is

Building Materials
Assertion A : Pure lime takes a long time to develop adequate strength.Reason R : Pure lime has slow hardening characteristics.Select your answer according to the coding system given below:

Building Materials
Soundness of cement is tested by

Building Materials
The thermosetting plastic

Building Materials
To give a brilliant finish, the type of varnish used, is

Building Materials
The main ingredients of Portland cement are

Building Materials
The specific gravity of marble, is