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

Author Question: What is the R value of a material with a thermal conductivity of 2.0 and is 4 inches thick? What ... (Read 119 times)

mp14

  • Hero Member
  • *****
  • Posts: 534
on: Jul 26, 2018
What is the R value of a material with a thermal conductivity of 2.0 and is 4 inches thick?
 
  What will be an ideal response?

Question 2

How does an electronic leak detector work?
 
  What will be an ideal response?


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

DHRUVSHAH

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 26, 2018
Answer to Question 1

Divide the k value by the thickness 2 / 6 = 0.2 conductivity
Find the reciprocal 1 / 0.2 = 5
R Value = 5

Answer to Question 2

A small pump draws air over a platinum diode located at the end of the test wand.


mp14

  • Member
  • Posts: 534
Reply 2 on: Jul 26, 2018
:D TYSM

Sarahjh

  • Member
  • Posts: 370
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

« previous next »
 

Did you know?

Elderly adults are at greatest risk of stroke and myocardial infarction and have the most to gain from prophylaxis. Patients ages 60 to 80 years with blood pressures above 160/90 mm Hg should benefit from antihypertensive treatment.

Did you know?

During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

The average adult has about 21 square feet of skin.

Did you know?

About 80% of major fungal systemic infections are due to Candida albicans. Another form, Candida peritonitis, occurs most often in postoperative patients. A rare disease, Candida meningitis, may follow leukemia, kidney transplant, other immunosuppressed factors, or when suffering from Candida septicemia.

(A) Normal spongy bone. (B) Spongy bone with osteoporosis, which is characterized by a loss of bone (A) Normal spongy bone. (B) Spongy bone with osteoporosis, which is characterized by a loss of bone
Material Balance over #3 Heat Exchanger Material Balance over #3 Heat Exchanger
If the needle drops 1 or 2 inches Hg from the normal reading, one of the engine valves is burned or ... If the needle drops 1 or 2 inches Hg from the normal reading, one of the engine valves is burned or ...
The effect of thermal expansion The effect of thermal expansion
Basics of Thermal Spraying Basics of Thermal Spraying
The extracellular matrix is nonliving material secreted by the cells The extracellular matrix is nonliving material secreted by the cells
Video: Congenital Heart Defects Animation

For a complete list of videos, visit our video library