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 144 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
Excellent

sailorcrescent

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

Did you know?

The Food and Drug Administration has approved Risperdal, an adult antipsychotic drug, for the symptomatic treatment of irritability in children and adolescents with autism. The approval is the first for the use of a drug to treat behaviors associated with autism in children. These behaviors are included under the general heading of irritability and include aggression, deliberate self-injury, and temper tantrums.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

Did you know?

Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.

Did you know?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Sonia Delaunay, Prismes Electriques (Electric Prisms). Sonia Delaunay, Prismes Electriques (Electric Prisms).
Electric Charges Electric Charges
The technician is using a feeler gauge that is onethousandth of an inch thinner and another ... The technician is using a feeler gauge that is onethousandth of an inch thinner and another ...
A roller cell-type electric fuel pump. A roller cell-type electric fuel pump.
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.
Checking fuel-pump volume using a hose from the outlet of the fuel-pressure regulator into a ... Checking fuel-pump volume using a hose from the outlet of the fuel-pressure regulator into a ...
Video: Lactation and Breast Feeding

For a complete list of videos, visit our video library