B. Both A and R are 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

A. 11.5 MPa

B. 21 MPa

C. 7 MPa

A. between 0.7 and 1.5

B. greater than 1.5

D. between 0.25 and 0.7

B. water

C. linseed oil

D. none of the above

A. tricalcium silicate

C. gypsum

D. tricalcium aluminate

A. 4-Jan

B. 1

C. 2

A. wooden flooring

B. linoleum flooring

D. glass flooring

A. argillaceous rock

C. aqueous rock

D. calcareous rock

B. none of the above

C. proof stress

D. ultimate stress

A. 200 mm x 200 mm x 100 mm

B. 190 mm x 190 mm x 90 mm

C. 190 mm x 90mmx 80 mm

A. 30 m

B. 10 m

C. 20 m

B. moulding of clay

C. drying of bricks

D. burning of bricks

A. lime and iron

C. lime and alumina

D. silica and alumina

A. 1 hour

C. 6 hours

D. 30 minutes

A. (1) and (2)

B. (1) and (4)

C. (3) and (4)

A. increases

B. first decreases to a certain minimum value and then increases

D. decreases

A. to make the brick durable

B. to make the brick impermeable

C. to prevent shrinkage

A. dressing stones

B. cutting soft stones

D. cutting large blocks of stones

A. 22%

B. 15%

D. 25%

A. 70 to 80%

C. 5 to 10%

D. 20 to 30%

B. underburnt bricks

C. first class bricks

D. overburnt bricks

A. none of the above

B. greater tensile strength in longer direction

D. greater tensile strength in shorter direction

B. it gives more output of first class bricks

C. it takes less time for burning

D. it is suitable when bricks are required in large numbers

A. quarrying of stones

C. seasoning of stones

D. blasting of stones

A. calcination of pure clay

B. adding water to quick lime

C. burning of lime stone

B. lime stone

C. sand stone

D. quartzite

A. sulphate resisting cement

B. rapid hardening cement

D. ordinary Portland cement

A. Both A and R are true and R is the correct explanation of A

C. A is true but R is false

D. A is false but R is true

B. basalt and marble are the only metamorphic rocks

C. granite is the only igneous rock

D. there is no sedimentary rock

A. 25 mm

B. 40 to 65 mm

D. 25 to 40 mm

A. compressive strength of cement

C. setting time of cement

D. tensile strength of cement

A. less than 1 in beams but greater than 1 in channels

B. greater than 1

D. equal to 1

A. brick laid with its breadth parallel to the face or direction of wall

B. brick laid with its length parallel to the face or direction of wall

D. brick with half the width at one end and full width at the other

B. 3

C. 4

D. 1

A. 100 mm

B. 70.6 mm

C. 150 mm

A. iron ore, carbon and lime stone

C. iron ore, coal and sulphur

D. iron ore, carbon and sulphur

B. aqueous rock

C. . silicious rock </strong></span>

B. none of the above

C. dressing of stones

D. testing of stones

A. 160N/mm2

B. 260N/mm2

D. 520 N/mm2

A. extrados

C. spandril

D. intrados

B. shell roof

C. pitched and sloping roof

D. none of the above

B. to decrease the initial setting time of cement paste in concrete

C. to improve the workability of concrete mix

D. to render the concrete more water tight

A. heart wood

C. medullary rays

D. cambium layer

A. compact the soil

B. drain the soil

C. increase the depth of foundation

A. two bricks thick

B. one brick thick

D. half brick thick

B. 50 to 60%

C. 70 to 80%

D. 5 to 10%

A. heart shakes

B. rindgalls

D. cupshakes

A. 190 mm

B. 180 mm

D. 280 mm

B. 1:06

C. 1:04

D. 1:08

A. haunch

B. voussoirs

D. skewbacks