Chapter Questions
Discuss the geological classification of stones.
Briefly explain physical and chemical classification of rocks.
Discuss the characteristics of good building stones.
Explain any three tests performed on stones to find their properties.
Write various uses of stones in civil engineering works.
Name any four stones along with their characteristics and uses.
What do you understand by the term brick? Explain different types of bricks.
Describe the properties of good bricks.
Explain briefly any four types of tests conducted on bricks in the laboratories to acertain their qualities.
What are the field tests carried out to determine the qualities of the brick?
. Explain classification of bricks based on their quality.
What are the different uses of bricks?
Differentiate between fat lime and hydraulic lime.
Briefly explain IS code classification of lime as class A, B, C, D and E.
What are the test carried on lime? Briefly explain.
List the various uses of lime.
What is cement? How quick setting and rapid hardening cement differs from portland cement?
Write short notes on(i) Low heat cement(ii) Pozzulana cement(iii) Coloured cement and(iv) Expanding cement.
State chemical and physical properties of portland cement.
What is standard consistency of cement? How it is determined in the laboratory?
Explain the terms initial setting time and final setting time of cement. How they are determined?
Explain the following test procedure on cement:(i) Soundness test(ii) Crushing strength test
List various uses of cement.
Explain the terms: timber, standing timber, rough timber and converted timber.
Draw and explain cross-section of an exogeneous tree.
Differentiate between(i) exogeneous and endogeneous trees(ii) soft wood and hard wood.
What are the requirements of good timber?
What is meant by seasoning of timber? Distinguish between natural and artificial seasoning.
Write short notes on:(i) Air seasoning(ii) Water seasoning(iii) Kiln seasoning and(iv) Chemical seasoning.
Explain various defects in timber due to natural forces.
Write short notes on defects in timber due to(i) defective seasoning and conversion(ii) attack by fungi and insects.
What do you understand by the term preservation of timber? Briefly explain the different methods of preservation adopted.
State different uses of timber.