Questions Of The Week February 29!

Inspection Education Topics Inspection Question of the Week
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**** 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.
The WINNER can now choose from any of the prizes listed above!
Request your choice by emailing fastreply@nachi.org and submit your Mailing address for shipping.

Good luck! :cowboy_hat_face:

1)Two types of cracks brought on by premature drying

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2) _______ are used as a point of separation (or isolation), between other static surfaces

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3) Cooling systems ~ how many types?

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4) Some swamp land bacteria, to off gas methane is inhibited by _______

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5) Common trait of crocodiles, lobsters, Mandarin ducks
croc

mandarin duck

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WHO sang this on WHAT song?
Just let yourself go down

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Great questions, as usual, Marc! Thanks for doing them!

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  1. crazing cracks and surface cracks
  2. grounds
  3. 4 types (central AC, evaporative coolers, mini splits and heat pumps)
  4. soil microbes and plants metabolizing under anaerobic conditions.
  5. they all lay eggs in water.
    Xtr) Let Yourself Go by Stealers Wheel

This week was tough. Good questions.

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Good questions is right Jacob.
Thanks Marc.

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5

  1. Crazing and crusting cracks

  2. Expansion joints

  3. 6 types: liquid-to-liquid, closed-loop dry system, closed-loop dry system with trim cooling, open-loop evaporative system, closed-loop evaporative system, chilled water system

  4. Acid rain

  5. Oviparous/they all develop in an egg

Extra: Wang Chung “Everybody Have Fun Tonight”

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6

Dang! I think I misread #3! :stuck_out_tongue:

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  1. Crusting and crazing
  2. Grounds
  3. 4: ductless minisplits, heat pumps, central, and evaporative
  4. Acid rain
  5. They are all oviparous (babies grow outside of mother)
    Wang Chung on Mosaic
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8

Just hanging by a thread, as usual :blush:

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There’s still time for someone to get them all right! :thinking:

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Crazing and Crusting
Bonding, Grounding
4 Types
Acid Rain
They’re oviparous. They grow inside a shell, outside of the mother’s body

“Everybody have fun tonight” Wang Chung

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Good questions Marc, thanks for your time!

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There’s still time Dave! Get your answers in there! :smile:

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More great questions from Marc! These are fun!! :smile:

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14

1- Crazing,Crusting
2- Expansion joints
3- 2 types… Air cooling and Water cooling
4- Acid rain
5-Hyper-efficient breathing system

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15

1)Crusting and crazing
2) Control joint
3) 2 - working and not working
4) iron
5) They can be found in southern Florida

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16

Not much more guessing going on. This was a good week for some hard questions.

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More participants this time, good to see!

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CONGRATS Junior Fudge for the win!
Your #3 answer was not exactly what I was thinking, but the number types of six was correct, although Aaron had a great answer!

1)Two types of cracks brought on by premature drying
There are two common types of cracks brought on by premature drying.

Crazing cracks are very fine, surface cracks that resemble spider webs or shattered glass. When the top of a concrete slab loses moisture too quickly, crazing cracks will likely appear. While unsightly, crazing cracks are not a structural concern.

Crusting cracks typically happen during the concrete stamping process, which is a way of adding texture or pattern to concrete surfaces. On sunny or windy days where the top of the slab dries out quicker than the bottom, the top of the concrete surface can become crusty. When the stamp is embedded, it pulls the surface apart near the stamped joints and causes small cracks around the outside edges of the “stones”. Again, while they don’t look great, crusting cracks are not a structural issue to be considered about.

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2) _______ are used as a point of separation (or isolation), between other static surfaces
Expansion joints are used as a point of separation (or isolation), between other static surfaces. Typically made of a compressible material like asphalt, rubber, or lumber, expansion joints must act as shock absorbers to relieve the stress that expansion puts on concrete and prevent cracking

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3) Cooling systems ~ how many types?
There are six different types of air conditioners that are each designed for a different space/reason. These six types of AC units are the basic central AC, ductless, window unit, portable unit, hybrid, and geothermal

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4) Some swamp land bacteria, to off gas methane is inhibited by _______
NASA researchers recently discovered that one species of swampland bacteria’s ability to produce methane – a greenhouse gas that contributes to global warming – is actually inhibited by acid rain
https://www.nachi.org/acid-rain.htm

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5) Common trait of crocodiles, lobsters, Mandarin ducks
Oviparous Animals
https://animals.mom.me/list-of-oviparous-animals-7654874.html

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WHO sang this on WHAT song?
Just let yourself go down

Deep in the world tonight
Our hearts beat safe and sound
I’ll hold you so close
Just let yourself go down

Wang Chung performing Everybody Have Fun Tonight. © 1986 Geffen Records
Over 12 million views

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Congratulations Junior, well done.

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Congratulations, Junior! Way to go!

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