Skills and Trades

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People maintain their steady internal body temperature by: A) Producing exactly the amount of ... Started by panfilo	1 Replies 24 Views	Jul 24, 2018 by TDubDCFL
In a single-zone constant-air-volume system, the amount of air moving through the air handler: A) ... Started by jilianpiloj	1 Replies 62 Views	Jul 24, 2018 by pallen55
The system used to measure the efficiency of room air conditioners is: A) AFUE - annual fuel ... Started by mcmcdaniel	1 Replies 50 Views	Jul 24, 2018 by af
What type of vent is used for category IV gas appliances? A) Type L vent B) PVC vent C) Type B ... Started by Marty	3 Replies 76 Views	Jul 24, 2018 by tuwy
A single-zone constant-air-volume system is best suited for conditioning: A) A building that ... Started by Capo	1 Replies 18 Views	Jul 24, 2018 by ndhahbi
On run capacitors, any sign of bulging of its body is a sign of a(n) ________ capacitor. A) good ... Started by Redwolflake15	1 Replies 130 Views	Jul 24, 2018 by Ksanderson1296
The 2010 California Green Building Standards Code is a code with ________ requirements for new ... Started by tingc95	1 Replies 23 Views	Jul 24, 2018 by Mholman93
How do technicians adjust inshot burners in high-efficiency furnaces? A) Airflow only is ... Started by abern	3 Replies 158 Views	Jul 24, 2018 by macagnavarro
Why is the cost of owning a green building often less than the cost of owning a conventionally ... Started by MirandaLo	1 Replies 37 Views	Jul 24, 2018 by gcook
When a VAV box on a constant-air-volume system throttles air into the conditioned area: A) The ... Started by Jipu 123	1 Replies 50 Views	Jul 24, 2018 by miss.ashley
According to the U.S. Green Building Council (USGBC), buildings in the United States are responsible ... Started by MGLQZ	1 Replies 22 Views	Jul 24, 2018 by kalskdjl1212
What size should the combustion air openings be for a room with an 80,000 BTU/hr input furnace and a ... Started by ashley	3 Replies 164 Views	Jul 24, 2018 by miss.ashley
When applied to buildings, the term sustainability means that the building must be designed and ... Started by silviawilliams41	1 Replies 34 Views	Jul 24, 2018 by yasmina
What size should the combustion air ducts be for a room with a 60,000 BTU/hr input furnace and a ... Started by jilianpiloj	1 Replies 28 Views	Jul 24, 2018 by akpaschal
To increase the operating superheat on a thermostatic expansion valve: A) The sensing bulb should ... Started by jCorn1234	1 Replies 58 Views	Jul 24, 2018 by meltdown117
________ represents the amount of water vapor in the air compared to the amount of water vapor the ... Started by viki	3 Replies 56 Views	Jul 24, 2018 by fromAlphatoOmega22
Why are both lines of a mini-split system insulated? A) Because there is only one metering device ... Started by karen	1 Replies 43 Views	Jul 24, 2018 by jlaineee
A suction superheat measurement higher than the manufacturer's recommended superheat setting ... Started by Sportsfan2111	1 Replies 40 Views	Jul 24, 2018 by cici
Typical condenser fan motor speeds are about: A) 1,000 rpm or 1,600 rpm. B) 1,600 rpm or 3,400 ... Started by ericka1	1 Replies 200 Views	Jul 24, 2018 by anyusername12131
In general, which is denser: humid air or dry air? A) Air density is not affected by humidity. ... Started by craiczarry	3 Replies 15 Views	Jul 24, 2018 by kilada
A multizone system allows a wide range of temperatures in different zones supplied by a single unit ... Started by Sportsfan2111	1 Replies 24 Views	Jul 24, 2018 by raili21
USGBC is a cooperating sponsor in the development of the two primary baseline building energy codes. ... Started by kodithompson	1 Replies 116 Views	Jul 24, 2018 by iceage
The IGCC acts as an overlay on other existing codes, including the provisions of the ________ as a ... Started by craiczarry	1 Replies 99 Views	Jul 24, 2018 by Dominic
What is a wet-bulb temperature reading? A) A temperature measured with a water-soaked wick around ... Started by abc	3 Replies 24 Views	Jul 24, 2018 by Toya9913
A unique feature of multizone and double-duct systems is that they: A) Will fit in tight spaces. ... Started by Frost2351	1 Replies 19 Views	Jul 24, 2018 by AaaA