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 147 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
Great answer, keep it coming :)

parker125

  • Member
  • Posts: 332
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

People with alcoholism are at a much greater risk of malnutrition than are other people and usually exhibit low levels of most vitamins (especially folic acid). This is because alcohol often takes the place of 50% of their daily intake of calories, with little nutritional value contained in it.

Did you know?

The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Side effects from substance abuse include nausea, dehydration, reduced productivitiy, and dependence. Though these effects usually worsen over time, the constant need for the substance often overcomes rational thinking.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

The Split-Brain Operation The Split-Brain Operation
A technician-made adapter used to test exhaust system back pressure. A technician-made adapter used to test exhaust system back pressure.
An exploded view of a gerotor electric fuel pump. An exploded view of a gerotor electric fuel pump.
A typical direct-injection system uses two pumps—one low-pressure electric pump in the fuel tank ... A typical direct-injection system uses two pumps—one low-pressure electric pump in the fuel tank ...
Subsurface mining takes place in underground tunnels Subsurface mining takes place in underground tunnels
Pharmacy Technician Pharmacy Technician
Video: Neural regulation of blood pressure - baroreceptor and chemoreceptor reflexes

For a complete list of videos, visit our video library