WorksheetsQuiz on Brick Manufacturing
Total questions: 21
Worksheet time: 23mins
What are the constituents of good brick earth?
Silica
Alumina
Lime
Iron oxide
Magnesia
What is the role of silica in brick earth?
Prevents cracking and warping
Improves plasticity
Prevents shrinkage
Gives red color to bricks
What happens if alumina is present in excess?
Bricks shrink and warp
Bricks become brittle
Bricks lose their shape
Bricks gain strength
What is the percentage of lime in good brick earth?
0% to 5%
5% to 10%
10% to 15%
15% to 20%
What harmful ingredient can cause bricks to melt?
Excess lime
Iron pyrites
Alkalis
Pebbles
What is the first step in the manufacturing of bricks?
Moulding
Drying
Preparation of clay
Burning
What is the purpose of weathering in brick manufacturing?
To clean the clay
To soften and mellow the clay
To blend the clay
To temper the clay
What is the role of a pug mill in brick manufacturing?
To mould the bricks
To prepare the clay
To dry the bricks
To burn the bricks
What is the thickness of steel moulds used for brick manufacturing?
4mm
6mm
8mm
10mm
What is the purpose of a frog in brick moulding?
To indicate the trade name of the manufacturer
To provide a key for mortar when laying bricks
Both of the above
None of the above
What are the two types of machines used in machine moulding?
Plastic clay machine and Dry clay machine
Wet clay machine and Dry clay machine
Plastic clay machine and Wet clay machine
None of the above
What happens to damp bricks if burnt?
They become stronger
They are likely to be cracked and distorted
They dry faster
They become lighter
What is the temperature at which bricks are burnt?
650 degrees
1100 degrees
Both 650 and 1100 degrees
None of the above
What is a disadvantage of clamp burning?
Bricks at the bottom are over-burnt
It is costly in terms of fuel
It cannot be employed in monsoon season
All of the above
What is the main difference between Bull's trench kiln and Hoffman's kiln?
Hoffman's kiln is underground
Bull's trench kiln has a permanent roof
Hoffman's kiln is an over the ground structure
Bull's trench kiln is more efficient
What are the four categories of bricks based on manufacturing?
First class, Second class, Third class, Fourth class
A, B, C, D
Type 1, Type 2, Type 3, Type 4
None of the above
What are the characteristics of First Class Bricks?
What are the uses of Second Class Bricks?
What is the significance of the Compressive strength test?
What is the process of making Ordinary Portland Cement?
What are the types of cements available in the market?
