Classification of Aggregates

Q. The shingle is a/an

1. Air weathered rock
2. Crushed granite
3. Water bound pebbles
4. Decomposed laterite

Q. The most useless aggregate is one whose surface texture is:

1. Smooth
2. Granular
3. Glassy
4. Honey combed and porous

Q. Which of the following shapes of aggregate requires minimum water to achieve a desired workability?

1. Cubical
2. Rounded
3. Elongated
4. Square