This topic contains a solution. Click here to go to the answer

Author Question: A precisely drilled hole that controls the amount of gas entering a burner is called: A) A gas ... (Read 68 times)

joblessjake

  • Hero Member
  • *****
  • Posts: 555
A precisely drilled hole that controls the amount of gas entering a burner is called:
 
  A) A gas jet. B) A carburetor. C) A metering device. D) An orifice.

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 lb.
  B) Balance the unit on top of an electronic charging scale.
  C) Look in the manufacturer's installation instructions.
  D) Calculate the unit volume and divide that volume by the density of copper.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

javimendoza7

  • Sr. Member
  • ****
  • Posts: 293
Answer to Question 1

D

Answer to Question 2

C




joblessjake

  • Member
  • Posts: 555
Reply 2 on: Jul 24, 2018
:D TYSM


Dominic

  • Member
  • Posts: 328
Reply 3 on: Yesterday
Excellent

 

Did you know?

Chronic necrotizing aspergillosis has a slowly progressive process that, unlike invasive aspergillosis, does not spread to other organ systems or the blood vessels. It most often affects middle-aged and elderly individuals, spreading to surrounding tissue in the lungs. The disease often does not respond to conventionally successful treatments, and requires individualized therapies in order to keep it from becoming life-threatening.

Did you know?

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

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?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

For a complete list of videos, visit our video library