johhnyappleseed4376 johhnyappleseed4376
  • 03-09-2019
  • Engineering
contestada

What is the MINIMUM capacity, in kW, required to heat 1,000 cfm (472 L/s) from 65°F (18.3°C) to 95°F (35.0°C)? A. 2 B. 10 C. 20

Respuesta :

fabianb4235
fabianb4235 fabianb4235
  • 09-09-2019

Answer:

B.10Kw

Explanation:

use this formula

Q=V*ρ*Cp*(T2-T1)

Q=power

V=volume flow

ρ=density                  for air ρ=1.225kg/m^3

Cp=especific heat             for air  Cp=1.005 KJ/(kgK)

T2=final temperature

T1=initial temperature

Q=0.472*1.225*1.005(35-18.3)=9.7Kw≈10Kw

Answer Link
jacoblovelace
jacoblovelace jacoblovelace
  • 06-02-2020

B. would be the correct answer, let me know if im wrong

Answer Link

Otras preguntas

where does the shadow of the shuttle in space form?
india takes the two hour train ride from minneapolis to chicago every dummer to visit her grandparents. The train traveled 44 7/16 (thats a mixed number) mile
The statement, "right angles measure 90 degrees," is an example of: A postulate A definition A theorem A conjecture
Which ancient civilization is associated with the Twelve Tables, an extensive road system, and the poets Horace and Virgil?
where did japan first expand its empire after 1930
What is a synonym for sensory language?A.simileB.fluencyC.metaphorD.imagery im thinkin D?
Square of the complex number (i - 2)?
A curved section of roadway is in the shape of a circular arc of 410-m radius. The curved section is horizontal, not banked. The coefficient of friction for tir
Perimeter of a square with an area of 81cm2
What number is equivalent to 13/2