Questions Of The Week August 9

HOWDY & Welcome to another round of Questions of The Week!

Please read the Introduction and requirements, changes may have been made.

A member of the Awards Committee will post questions, at a random day/time.

Eligible members may make one post per question thread to answer the questions, and the eligible member’s winning entry must have all parts of the questions answered completely in that one post. Editing your one answer post allowed will result in disqualification.

Any disregard to the above and divulging the correct answers or giving hints/references will cause a disqualification.

First correct answers (as judged by the Awards Committee or Poster of the Questions) wins.
Request your choice by emailing fastreply@nachi.org and submit your Mailing address for shipping.

Choose your prize from the following list!:

** $50.00 gift certificate from Inspector Outlet
** Case of books "Now That You’ve had A Home Inspection"
** Seventeen Custom Branded Videos value $50.00 ~ your choice!
https://certifiedmasterinspector.org/video-contest

If no eligible winner after 48 hours the Questions will be open to all members.
Good luck!

  1. When the sun heats a roof, it’s primarily the sun’s _______ energy that makes the roof hot. Much of this heat travels by _______ through the roofing materials to the attic side of the roof

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2) One of the most severe problems an AC condenser can have

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3) What do you think this is AND what can this deficiency cause?

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4) Is there any reason clothes dryers should not be vented to the outside?

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5) Anything special come to mind if you were to observe this?

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Special Credit!
WHO sang this on what song? :grin:

I’m here to please

1 Like

1- radiation - conduction
2- mould
3- blocked coil - air flow restriction
4- none
5- old/damaged piping (cast iron)

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  1. Sun’s “Radiant” energy. Travels by “Conduction”
  2. Potential Condenser issue can be many and varied
    a. Insulation is damaged or missing
    b. Insulation is not UV protected
    c. Debris/ intake blockage
    d. Damaged fins/ coil
    e. OCPD is incorrect size (too large)
    f. Hurricane straps are missing/ damaged
  3. Looks like a “slab type” Evap Coil… if so, its deficiencies are too much to list. It should however be serviced by a Qualified HVAC Contractor soon. Again, if it is indeed an Evap Coil, it makes me laugh that people are so worried about their masks fitting properly, but hey will breath through that nasty thing 24/7.
  4. Besides critters, just keep the exhaust end of the Dryer Vent away from any Condenser intake ( i sensed a theme here)
  5. Cast Iron plumbing. Check the Cleanout, if its PVC then probably been upgraded.
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the song??..come on MG, only 4 words???

2 Likes

OK fine!

I can’t take it no more

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Darn, you gave it away, I was waiting to jump in! Haha! :grinning:

Huh Wha?

I meant I can’t take this anymore :grimacing:

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Huh Wha?image …I know exactly what you mean

Matt! You got 1 more than my friend Marcel.
That was a pic of evaporator coils I took last month- pretty snotty - huh?
Looks like number 4 was a little tricky.

So congrats to my neighbor Matt Durst!
image

  1. When the sun heats a roof, it’s primarily the sun’s _______ energy that makes the roof hot. Much of this heat travels by _______ through the roofing materials to the attic side of the roof
    radiant
    conduction
    https://www.energy.gov/energysaver/weatherize/insulation/radiant-barriers

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2) One of the most severe problems an AC condenser can have
Damaged coils are one of the most severe problems an AC condenser
can have

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3) What do you think this is AND what can this deficiency cause?

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4) Is there any reason clothes dryers should not be vented to the outside?
Condensing dryers are plumbed to a drain, not outside

Building Codes and Indoor Air Quality
Prepared for:
U.S. Environmental Protection Agency
Office of Radiation and Indoor Air
Indoor Environments Division*
Table 2a: Residential Building Code Provisions Affecting Indoor Air Quality
Venting and exhausts
Clothes dryers must be vented to the outside, or condensing dryers plumbed to a drain.
14. Clothes Dryer Venting – Required
Clothes dryer vented directly to the outdoors. Condensing dryers are exempt.
(2) a tight home may be incapable of providing make up air for exhaust fans, a clothes dryer and vented combustion equipment. The negative pressure in the home caused by these appliances can draw exhaust gasses back into the home (backdrafting), and also force air*
*through the building envelope and create moisture/mold problems as humid air condenses within the building envelope.
4.6 Conventional clothes dryers shall be vented to the outdoors. Electric condensing dryers are not vented and shall be plumbed to a drain according to the manufacturer’s instructions.

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5) Anything special come to mind if you were to observe this?
plumbing vent stack cast iron pipe

Cast iron pipe has been a sewer line mainstay for decades and has an
average lifespan of 30 to 50 years. Over time however, as metallic
surfaces come into contact with moisture, rusting and corrosion
naturally set in. As these problems progress, the pipe is weakened and
eventually needs to be replaced due to advanced deterioration or
failure.
Cast iron pipes can corrode over time compromising their structural
integrity.
The real danger for cast iron pipes is corrosion. Over time, wastewater
flow will etch a channel at the bottom of the pipe that - if left untreated
- will erode through the pipe and weaken the pipe structure and allow
for foreign material to enter the line.

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OK Junior!

WHO sang this on what song?
I’m here to please
Loverboy - Turn Me Loose
16,515,029 views

1 Like

Wrong try again.

What about the poisonous toad/frog?

Roofing over roof boot. Just trying to help someone win.

I may not have got them all right but at least I tried…

3 Likes

That’s what counts! :wink:

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Ya know Marcel - perhaps my dryer vent answer does not apply in Canada.
I have no clue!

Congrats Matt!

Yes sir! :wink:

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I don’t want to play just paying it forward. AC guess cold start-up, vapor lock? :grinning:

It does not but I recall putting some dirty clothes in a washer while in Belgium in an airbnb last year and it came out clean and dry. I just didn’t think that the US was there yet :wink:
Congrats Matt!

1 Like

Congratulations Matt Durst!