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

Author Question: A crucial requirement whenever a rooftop installation is considered is A) A power drop can be ... (Read 103 times)

CBme

  • Hero Member
  • *****
  • Posts: 548
on: Jul 27, 2018
A crucial requirement whenever a rooftop installation is considered is
 
  A) A power drop can be made directly from the utility pole to the unit
  B) To insure that the roof structure can support the weight of the equipment
  C) That rooftop units can only be installed on flat roofs
  D) To insure that the unit cannot be seen from the front of the building

Question 2

How can an installer accurately determine the weight for a particular rooftop unit?
 
  A) an accurate estimate can be obtained by multiplying the unit volume times 2 pounds
  B) balance the unit on top of an electronic charging scale
  C) calculate the unit volume and divide that volume by the density of copper
  D) Look in the manufacturer's installation instructions


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

gstein359

  • Sr. Member
  • ****
  • Posts: 293
Reply #1 on: Jul 27, 2018
Answer to Question 1

B

Answer to Question 2

D


CBme

  • Member
  • Posts: 548
Reply 2 on: Jul 27, 2018
Gracias!

strudel15

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Women are two-thirds more likely than men to develop irritable bowel syndrome. This may be attributable to hormonal changes related to their menstrual cycles.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Colchicine is a highly poisonous alkaloid originally extracted from a type of saffron plant that is used mainly to treat gout.

Did you know?

Multiple sclerosis is a condition wherein the body's nervous system is weakened by an autoimmune reaction that attacks the myelin sheaths of neurons.

Did you know?

Coca-Cola originally used coca leaves and caffeine from the African kola nut. It was advertised as a therapeutic agent and "pickerupper." Eventually, its formulation was changed, and the coca leaves were removed because of the effects of regulation on cocaine-related products.

This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev This portrait of Thomas Jefferson is considered an accurate likeness, painted when he was thirty-sev
The League of Nations, the Kellogg-Briand Pact, the Nine-Power Treaty—all were mere scraps of ... The League of Nations, the Kellogg-Briand Pact, the Nine-Power Treaty—all were mere scraps of ...
René Descartes (1596–1650). French philosopher considered the founder of modern philosophy. A ... René Descartes (1596–1650). French philosopher considered the founder of modern philosophy. A ...
An air ratchet is a very useful tool that allows fast removal and installation of fasteners, ... An air ratchet is a very useful tool that allows fast removal and installation of fasteners, ...
When the voltage drop reaches approximately 1.20 volts, the PCM turns on a transistor. The ... When the voltage drop reaches approximately 1.20 volts, the PCM turns on a transistor. The ...
Social Problems: A Critical Power-Conflict Perspective Social Problems: A Critical Power-Conflict Perspective
Video: How to find out if a population is evolving?

For a complete list of videos, visit our video library