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

Author Question: The formula for determining the static available for the duct system is: A) Available duct static ... (Read 180 times)

Lobcity

  • Hero Member
  • *****
  • Posts: 524
on: Jul 24, 2018
The formula for determining the static available for the duct system is:
 
  A) Available duct static = total available static - total fixed static losses.
  B) Available duct static = total fixed static losses.
  C) Available duct static = 0.15 to 0.2 in WC.
  D) Total available duct static = 0.1 in WC.

Question 2

How is the water flow in a hydronic heating system checked?
 
  A) By measuring the impeller RPM using a stroboscope
  B) By measuring the pressure drop across the water pump and comparing it to a pumping performance chart
  C) By measuring the amp draw of the pump motor and applying the formula gp = amps  1.73
  D) By measuring the pump motor RPM using a digital tachometer


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

emsimon14

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 24, 2018
Answer to Question 1

A

Answer to Question 2

B


Lobcity

  • Member
  • Posts: 524
Reply 2 on: Jul 24, 2018
Excellent

Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Asthma is the most common chronic childhood disease in the world. Most children who develop asthma have symptoms before they are 5 years old.

Did you know?

The newest statin drug, rosuvastatin, has been called a superstatin because it appears to reduce LDL cholesterol to a greater degree than the other approved statin drugs.

Did you know?

The types of cancer that alpha interferons are used to treat include hairy cell leukemia, melanoma, follicular non-Hodgkin's lymphoma, and AIDS-related Kaposi's sarcoma.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

Did you know?

About 60% of newborn infants in the United States are jaundiced; that is, they look yellow. Kernicterus is a form of brain damage caused by excessive jaundice. When babies begin to be affected by excessive jaundice and begin to have brain damage, they become excessively lethargic.

Overview of blood flow through vessels in a closed circulatory system. Overview of blood flow through vessels in a closed circulatory system.
Malpighian tubules from the excretory system of an insect. Malpighian tubules from the excretory system of an insect.
Spina bifida. (A) Spina bifica occulta; the vertebra is not complete, but there is no protrusion of Spina bifida. (A) Spina bifica occulta; the vertebra is not complete, but there is no protrusion of
A fuel-pressure graph after key on, engine off (KOEO) on a TBI system. A fuel-pressure graph after key on, engine off (KOEO) on a TBI system.
Effects of the Autonomic Nervous System Effects of the Autonomic Nervous System
Role of Factors of Production in Determining Growth, 1975–2009 Role of Factors of Production in Determining Growth, 1975–2009
Video: Sex-Linked Traits! How are eye colors inherited in fruit flies?

For a complete list of videos, visit our video library