BUILDING MATERIALS - Practice Mode

1) What is the chemical formula for limestone?
Correct Answer: CaCo<sub>3</sub>
2) Which lime is known as water lime ?
Correct Answer: Hydraulic
Explanation:

The ‘Golden Hour’ refers to a time period lasting from a few minutes to several hours following a traumatic injury during which there is the highest likelihood that prompt medical treatment will prevent death.

3) What is the value of finenens modulus of sand?
Correct Answer: 1.5-2.5
Explanation:

The ABCs of first aid consist of three different components.
A = Airway
B = Breathing
C = Circulation/Compression

4) Which aggregates have thickness small relative to width and length?
Correct Answer: Flaky
5) Which granular materials are chemically inert?
Correct Answer: Aggregates