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

1 and 8/9 as a decimal
a ____(concave, convex) mirror is used to collect light in a reflecting telescope
What change did NOT happen in most Eastern European countries with the end of the Cold War?
ASAPJasper works as an inspector at a factory that makes polo shirts. He has found that the theoretical probability of a shirt that is produced being defective
we can be certain that everything we learn about prehistory from archaeologists is factual
Which amendment ended the policy of charging people a tax before they could vote?
Left f(x)=3x+5 and g(x)= -4x+7. Find (f•g)(-4)
Explain how the wound healed itself over by putting to in order please??????
Why did banks close during the great depression
1) describe the rule for the sequence. 2) find the next two terms of the sequence