What is the thickness (cm) of a two brick wall made up of standard modular brick?
Modular bricks are of nominal sixe 20 ×10×10 cm and 20% of the volume is lost in mortar between joints. Then what is the number of modular bricks required per cubic meter of brickwork?
Consider following statements with respect to advantage of Hoffman’s klin over bull’s trench klin:
1) It requires less space
2) It can function during rainy season
3) Percentage of good quality bricks are more
4) Initial cost is less
Correct statement(s) is/are:
Match List-I (Constituents of bricks) with List-II (Corresponding influence) and select the correct answer using the codes given below the lists
1) Colour of brick
2) Plasticity recovery for moulding
3) Reacts with silica during burning and causes particles to unite together and development of strength
4) Preserves the form of brick at high temperature and prevents shrinkage
Match the Grade of bricks with their compressive strength (According to I.S.: 10719557-1970) and select the correct answer as per the codes given below.
Rocks formed due to alteration of original structure due to heat and excessive pressure is called________.
Which of the following type of chemical weathering is associated with the feldspar, which can be found in granite changing to clay?
Which of the following is/are the property(s) of good quality stones?
a. Crushing strength greater than 1000kg/cm2
b. Specific gravity should be greater than 8
c. Stones should be well seasoned before putting into use.
According to geological classification, rocks are divided into three different categories, i.e. Igneous rocks. Sedimentary rocks and Metamorphic rocks. In which category Granite, Basalt and Dolerite etc., types of rocks fall?
Which one of the following test is used to determine the rate of wear of stones?