Skills and Trades

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The International Building Coderequires all treads in a flight of stairs to be of equal depth, with ... Started by dalyningkenk	1 Replies 16 Views	Jul 26, 2018 by CharlieArnold
ASME B30.10requires that a hook be replaced if its body has been deformed _____. a. by any ... Started by Garrulous	1 Replies 17 Views	Jul 26, 2018 by dudman123
How does the human body expel heat if all the surrounding environment is above the body temperature? ... Started by P68T	3 Replies 91 Views	Jul 26, 2018 by cloudre37
A lead-lined door is used for _____. a. soundproofing b. radiation shielding c. fireproofing ... Started by lbcchick	1 Replies 28 Views	Jul 26, 2018 by asdfasdf
The temperature where water vapor can begin condensing out of the air is the A) specific humidity ... Started by anshika	1 Replies 34 Views	Jul 26, 2018 by Kimmy
Getting a chill when standing near a cold wall is an example of cooling by A) conduction B) ... Started by appyboo	1 Replies 53 Views	Jul 26, 2018 by jjorrostieta
Sweating when we work is an example of cooling by A) conduction B) convection C) radiation D) ... Started by daltonest1984	3 Replies 95 Views	Jul 26, 2018 by ttt030911
A graphical representation of air properties is A) a temperature-pressure chart B) a ... Started by ssal	1 Replies 30 Views	Jul 26, 2018 by frre432
The performance of an air conditioning system can be determined by measuring the airflow and A) ... Started by yoroshambo	1 Replies 70 Views	Jul 26, 2018 by Eunice618
What is the airflow through a 2 foot by 3 foot hole if the air velocity is 100 feet per minute? ... Started by jake	1 Replies 28 Views	Jul 26, 2018 by momtoalll
The first air conditioning system was patented in 1844 by: A) Thomas Edison. B) Benjamin ... Started by jilianpiloj	3 Replies 45 Views	Jul 26, 2018 by debra928
The relationship of CFM and FPM can be summarized as A) CFM = FPM / area B) FPM = CFM C) CFM = ... Started by cherise1989	1 Replies 16 Views	Jul 26, 2018 by babybsemail
Who is often cited as the father of modern air conditioning? A) David Skaves B) Dave Lexnnox C) ... Started by vinney12	1 Replies 54 Views	Jul 26, 2018 by maya.nigrin17@yahoo.com
Static pressure readings are taken on a duct system by A) Pointing the pressure sensing tube into ... Started by kwoodring	1 Replies 72 Views	Jul 26, 2018 by katheyjon
One advantage of bending tubing rather than using a brazed elbow is: A) Bending does not create ... Started by darbym82	3 Replies 43 Views	Jul 26, 2018 by DylanD1323
How often should a low efficiency panel filter be changed? A) Weekly B) Once or twice a year C) ... Started by wenmo	1 Replies 22 Views	Jul 26, 2018 by raili21
Commercial central heating and cooling systems refer to: A) Structures used for businesses in ... Started by jCorn1234	1 Replies 30 Views	Jul 26, 2018 by jaykayy05
Air cleaners that use high voltage DC current to ionize particles in the air and attract them to ... Started by rosent76	1 Replies 11 Views	Jul 26, 2018 by cloudre37
An air contaminant that cannot be filtered out through normal mechanical filtration is A) sawdust ... Started by fahad	3 Replies 28 Views	Jul 26, 2018 by reelove4eva
Two types of electronic air filter units include A) active and passive B) statically charged and ... Started by itsmyluck	1 Replies 38 Views	Jul 26, 2018 by TheDev123
Air leaking into a building is called A) infiltration B) exfiltration C) ventilation D) ... Started by V@ndy87	1 Replies 30 Views	Jul 26, 2018 by kristenb95
Which of the following areas is NOT a NATE certification specialty? A) Oil furnaces B) Commercial ... Started by vicotolentino	1 Replies 143 Views	Jul 26, 2018 by Eazy416
Air being blown into a building with a blower is called A) infiltration B) exfiltration C) ... Started by anshika	3 Replies 39 Views	Jul 26, 2018 by mathjasmine
Match the ventilation system design in the first column to its affects on building pressure in the ... Started by leo leo	1 Replies 31 Views	Jul 26, 2018 by stanleka1
Select the conditions that increase building pressure. You may choose more than one. A) make-up ... Started by amal	1 Replies 26 Views	Jul 26, 2018 by kilada