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 135 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
Great answer, keep it coming :)

mochi09

  • Member
  • Posts: 335
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Long-term mental and physical effects from substance abuse include: paranoia, psychosis, immune deficiencies, and organ damage.

Did you know?

If all the neurons in the human body were lined up, they would stretch more than 600 miles.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

More than 150,000 Americans killed by cardiovascular disease are younger than the age of 65 years.

Three Mile Island Nuclear Power Plant in PA. Three Mile Island Nuclear Power Plant in PA.
Voltmeter hook-ups for voltage-drop testing of a Ford-type cranking circuit. Voltmeter hook-ups for voltage-drop testing of a Ford-type cranking circuit.
Using the voltmeter leads from a starting and charging test unit to measure the voltage drop ... Using the voltmeter leads from a starting and charging test unit to measure the voltage drop ...
Pressure drop after 10 minutes on a normal port fuel-injection system. Pressure drop after 10 minutes on a normal port fuel-injection system.
Hydroelectric Power: Electricity Generation Hydroelectric Power: Electricity Generation
How much voltage does the resistor drop in Figure 10-2? How much voltage does the resistor drop in Figure 10-2?
Video: ribosome

For a complete list of videos, visit our video library