Answer:
The change of entropy is 1.229 kJ/(kg K)
Explanation:
Data
(Individual Gas Constant for air)
For variable specific heats
where is evaluated from table attached
Replacing in equation
Answer: The Construction of building involves a group of departments in framing its physical appearance and outlook.
<u>Explanation:</u>
The system explains a set of individuals or activities working together in a network. The building system is designed to withstand the effect of gravity and impact of winds and stress.
Lateral loads and vertical gravity loads are the effects imparted in this system. This system ensures proper safety, security and resource management of the people.
There are three major types involved in the structural system of a building such as low-rise, high-rise, and long span.
- Long span structures are greater than 30 meters high and are column-free spaces.
- High rise structures are tall buildings ranges from [23-150m] and are reinforced concrete with steel.
Answer:
See explanation
Explanation:
The complete question is
Write a SELECT statement that returns the same result set as this SELECT statement, but don't use a
join. Instead, use a subquery in a WHERE clause that uses the IN keyword.
SELECT DISTINCT category_name
FROM categories c JOIN products p
ON c.category_id = p.category_id
ORDER BY category_name
The join clause gives us all the registers of both tables, for which the category_id of categories coincides to the category_id in the table products. That is, we can first select the distinct category_id's from products and the see the categories from categories table, whose id is in that list. That means writing the following query:
Select distinct category_name
from categories c
where c.category_id in (
select distinct p.category_id
from products p)
order by category_name