Answer:
- <u>Translated from Portuguese language:</u>
"The gaseous coal is then burned in a gas turbine cycle and part of the residual heat from the exhaust gases is recovered to generate steam for the steam turbine. Currently, the construction of such plants costs about $ 1500 per kW, but their efficiency is about 45%. The average calorific value of coal is about 28,000,000 k J per ton (that is, 28,000,000 k J of heat released when 1 ton of coal is burned). If the mill is to recover its cost difference in five years from fuel savings, determine what the price of coal should be in $ per ton?"
Explanation:
- The price of coal will be around 37 $ per ton. As, a source of energy the coal is more involved in the different industrial and mechanical processes and increases the level of efficiency of different machines by providing a more unique way to obtain greater results.
Answer:
Please see below
Explanation:
1. —<em>¿De dónde es Patricia? </em>—Patricia es de Colombia.
2. —<em>¿ Quién es él? </em>—Él es mi amigo (friend).
3. <em>—¿ Cuántos idiomas hablas tú? </em>—Hablo dos idiomas (languages).
4. <em>—¿ Qué desean tomar ustedes? </em>—Deseamos tomar café.
5. <em>—¿ Por qué tomas la clase de biología? </em>—Tomo biología porque me gustan las ciencias.
6. <em>—¿Qué hace Camilo por las mañanas? </em>—Camilo descansa por las mañanas.
I hope it helps.
Answer:
¿Está trabajando en el jardín?
Explanation:
In this exercise, you have to complete the sentence using the present progressive tense. The <u>Spanish present progressive</u> tense is also called present continuous tense and it is used to talk about something that is happening now.
In the sentence given, you have to write "está" and not "estás" because "Ud." means "usted" and is the formal "tú". "Está trabajando" is the second person formal singular present progressive form of the infinitive verb "trabajar".
La lámpara está entre los sofás
Answer:Esta contento.
Explanation:If he's in a good mood, then he's happy
