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 false but R is true

A is true but R is false

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

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

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

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Building Materials
Plastic asphalt is

A mixture of cement and asphalt

A natural asphalt

A refinery product

Used as a water proofing layer over roof

A mixture of cement and asphalt

A natural asphalt

A refinery product

Used as a water proofing layer over roof

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Building Materials
The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as

Rindgalls

None of these

Burls

Knots

Rindgalls

None of these

Burls

Knots

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Building Materials
Good quality sand is never obtained from

Sea

Gravel powder

River

Lake

Sea

Gravel powder

River

Lake

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Building Materials
According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than

16 MPa

11.5 MPa

21 MPa

7 MPa

16 MPa

11.5 MPa

21 MPa

7 MPa

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Building Materials
The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called

Plutonic rocks

Volcanic rocks

Hypabyssal rocks

Igneous rocks

Plutonic rocks

Volcanic rocks

Hypabyssal rocks

Igneous rocks

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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 Plastic asphalt is

Building Materials The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as

Building Materials Good quality sand is never obtained from

Building Materials According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than

Building Materials The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called

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
Plastic asphalt is

Building Materials
The curved swellings from the growth of layers or wounds left after branches are cut off in an irregular manner are known as

Building Materials
Good quality sand is never obtained from

Building Materials
According to IS specifications, the compressive strength of ordinary Portland cement after three days should not be less than

Building Materials
The rocks which are formed due to cooling of magma at a considerable depth from earth's surface are called