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

she was surprised at how _______made her feel
Directions: Review writing expressions to represent situations. Identify the variables,coefficients, and constants. 1.Three times a number and 8 girls went to a
-2(5+6x) < 6 (8-2x) what is x
help what’s the answer
help me please ... :))​
HELP ASAPhow did the role of woman change during the civil war in Texas?they earned the right to votethey were unable to work outside the homethey held jobs tha
4. What are the products (things made) of cellular respiration?
Your new manager is highly motivational, gives clear directions and timelines, and is quick to point out inefficiencies. They likely ascribe to ______ leadershi
What is the distance from X to Y?
why is there a metal grid in a microwave? explain using reference to the em spectrum ​