What is the ideal clay and slit content in good brick earth according to the

Indian standard code of practice for the construction of brickwork?

• 25%

• 50%

• 75%

• 100%

The minimum crushing strength of the third class brick is:

• 3.5 N/mm²

• 5 N/mm²

• 10 N/mm²

• 20 N/mm²

What is the problem with using fly ash bricks?

• Efflorescence

• Costly

• Expand

• Not sound proof

In absorption test on bricks , how many hours it has to be soaked

in cold water?

• 19 hours

• 5 hours

• 6 hours

• 24 hours

How is the hardness of the brick tested ?

• Using finger nail

• Using hardness apparatus

• Using hammer

• Using chisel

The depression provided in the face of a brick during its manufacturing

is called:

• Frog

• Furrow

• Groove

• Scallop

The following proportion of cement : sand (mortar) is normally used

for brick masonry construction

• 1:3

• 1:6

• 1:10

• 1:9

The figure below represents :

• Cownose brick

• Paving brick

• Curved sector brick

• Bullnose brick

Identify the given figure below

• Queen closer

• Bevelled closer

• Mitered closer

• King closer

In the figure below, A and B represent _________ and ________

• Solid brick block and floor block

• Partition block and solid brick block

• Partition block and floor block

• Solid brick block and partition block