This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A technician takes the following readings while checking the operation of an electric furnace with ... (Read 117 times)

WhattoUnderstand

  • Hero Member
  • *****
  • Posts: 517
on: Jul 26, 2018
A technician takes the following readings while checking the operation of an electric furnace with two heat strips: 220 V, 36 A, 70F return air temperature, and 120F supply air temperature. What is the airflow through the furnace?
 
  A) = = 540 CFM B) = = 158 CFM
  C) (120  70 )  1.08  10 = 540 CFM D) = = 500 CFM

Question 2

An anemometer is used to measure:
 
  A) Feet of water for water flow calculations. B) Volume of air for air volume calculations.
  C) Feet of air for air velocity calculations. D) Rotational speed.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Andromeda18

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Jul 26, 2018
Answer to Question 1

D

Answer to Question 2

C


WhattoUnderstand

  • Member
  • Posts: 517
Reply 2 on: Jul 26, 2018
Gracias!

ryhom

  • Member
  • Posts: 366
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.

Did you know?

The highest suicide rate in the United States is among people ages 65 years and older. Almost 15% of people in this age group commit suicide every year.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

Famous people who died from poisoning or drug overdose include, Adolf Hitler, Socrates, Juan Ponce de Leon, Marilyn Monroe, Judy Garland, and John Belushi.

Transduction of mechanical vibrations to electric signals in the organ of Corti. Transduction of mechanical vibrations to electric signals in the organ of Corti.
Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto Luna Park at Coney Island was a vast living theater in which strollers were both spectators and acto
The Middle East and Operation Desert Storm The Middle East and Operation Desert Storm
A model for the operation of voltage-gated sodium channels. A model for the operation of voltage-gated sodium channels.
Checking the fuel pressure using a fuelpressure gauge connected to the Schrader valve. Checking the fuel pressure using a fuelpressure gauge connected to the Schrader valve.
A typical electric motor-driven AIR pump. This unit is on a Chevrolet Corvette and only works when ... A typical electric motor-driven AIR pump. This unit is on a Chevrolet Corvette and only works when ...
Video: Five phases of cardiac cycle & Atrial contraction

For a complete list of videos, visit our video library