Fine grained of alkali igneous rocks cannot be used in cement because of the volume expansion caused by the Alkali-silica reaction, fine-grained igneous rocks cannot be used as aggregates in cement.
<h3>What does fine grained mean in an igneous rock?</h3>
Extrusive igneous rocks have a fine-grained or aphanitic texture, with grains that are too small to see without a magnifying glass. The fine-grained texture suggests that the rapidly cooling lava did not have enough time to form large crystals. A petrographic microscope can be used to examine these tiny crystals.
The texture of an igneous rock (fine-grained vs coarse-grained) is determined by the rate at which the melt cools: slow cooling produces large crystals, while fast cooling produces small crystals.
The chemical reaction that occurs in both alkali cations and hydroxyl ions in the pore solution of hydrated cement paste and certain reactive silica phases present in concrete aggregates is known as the alkali-silica reaction (ASR).
Learn more about cement on:
brainly.com/question/14323034
#SPJ1
Answer:
(c) 5.71 V
Explanation:
The circuit can be redrawn to a Thevenin equivalent that is 6V through a 5-ohm resistor into a 100-ohm load. Then the voltage at the load is ...
(6 V)(100/(100 +5) ≈ 5.71 V
spanish
Explanation:
the above question is written in spanish
Answer:
Explanation:
effective delay = delay when no traffic x 
effective delay = 
Answer:
a) 316 stainless steel
b) 316 stainless steel
c) Carbon steel
d) stainless steel 316
e) stainless steel 316
f ) Carbon steel
Explanation:
<u>A) A 10,000 M' storage tank for Toluene</u>
The best material for building this tank is 316 stainless steel this is because it is relatively cheaper than other materials such as Hest Alloy C while still maintaining the required tensile strength needed to build the storage tank for Toluene
<u>B) A 5.0 m' tank for storing a 30% w/w aqueous solution of sodium chloride </u>
The suitable material for building this tank is 316 stainless steel as it is cheaper than Titanium and Hest Alloy C and it is compatible with sodium chloride
<u>C) A 2 m diameter, 20 m high distillation column, distilling acrylonitrile </u>
The best material for constructing this column is Carbon steel and this is because it has a very high compressive strength which is approximately . 1320 MPa
<u>D) A 100 m storage tank for strong nitric acid.</u>
The best material is stainless steel 316 and this is due to its high tensile strength
E) 316 stainless steel
F) Carbon steel is suitable for building this absorption column because it has a very high compressive strength which is approximately . 1320 MPa
