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

The geographic region of the United States that generally supported slavery was?
which is an example of de facto segregation? A) A law establishes schools for white children only B) Families of the same race live in the same neighborhood C)
Math please help ( easy ASAP )
algae → water flea → small fish → big fish Use the food chain to answer the question. What would MOST LIKELY happen to the population of the water flea if
What is the difference between advertising and propaganda?
Help me asap Please!!!
How many races does william Lloyd Garrison think there are?
A steady stream of recent research has confirmed the role of which gene in the development of schizophrenia? cytochrome c neuregulin 1 myogoblin haemoprotein
How did the voting rights act impact black voting power outside the south?
english needs rules for its use because rules_____ 1.make class distinctions noticeable to listeners and readers. 2. eliminate confusion between speakers and l