Skills and Trades

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A reset controller in a hydronic heating system is used to _____. a. reset the burner after ... Started by james	3 Replies 69 Views	Jul 24, 2018 by Chelseyj.hasty
Which of the following is not a parameter that can be programmed or monitored when using a VFD? ... Started by sdfghj	1 Replies 18 Views	Jul 24, 2018 by pocatato
Which of the following is a benefit derived from using a pulsewidth-modulated (PWM) variable ... Started by serike	1 Replies 10 Views	Jul 24, 2018 by ryansturges
The measured voltage to a compressor should not vary from the nameplate value by more than _____. ... Started by hubes95	1 Replies 60 Views	Jul 24, 2018 by Alyson.hiatt@yahoo.com
ECMs should be replaced if their motor winding resistance to ground is less than _____. a. 1,000 ... Started by mrsjacobs44	3 Replies 18 Views	Jul 24, 2018 by essyface1
IAQ is an integral part of _____. a. VOC b. LEED c. IEQ d. ... Started by Cooldude101	1 Replies 25 Views	Jul 24, 2018 by gcook
Short-term or immediate effects of human exposure to poor IAQ may _____. a. show up years after ... Started by Ebrown	1 Replies 67 Views	Jul 24, 2018 by wtf444
A possible long-term effect of exposure to indoor air pollutants is _____. a. headache b. cancer ... Started by james	1 Replies 49 Views	Jul 24, 2018 by ky860224
A ventilation problem may exist when the carbon dioxide level in a room exceeds _____. a. 500 ppm ... Started by ap345	3 Replies 12 Views	Jul 24, 2018 by Galvarado142
IAQ problems resulting from the creation of negative pressure areas in a building due to ... Started by awywial	1 Replies 24 Views	Jul 24, 2018 by Ashley I
High levels of carbon dioxide in a building can result from _____. a. emissions from building ... Started by Coya19@aol.com	1 Replies 83 Views	Jul 24, 2018 by abro1885
What type of oil pressure safety switch is used on many semi-hermetic compressors? a. Fixed input ... Started by strangeaffliction	1 Replies 22 Views	Jul 24, 2018 by Eazy416
Why are two sets of contacts (one set normally open and one set normally closed) needed on an indoor ... Started by CharlieWard	3 Replies 54 Views	Jul 24, 2018 by ntsoane kedibone
An apprentice program traditionally requires 8,000 hours of training, which is equivalent to _____. ... Started by Charlie	1 Replies 61 Views	Jul 24, 2018 by vkodali
A journeyman carpenter employed by a small firm is more likely to _____. a. specialize in one ... Started by B	1 Replies 75 Views	Jul 24, 2018 by macmac
Once a responsibility has been delegated to a carpenter, that carpenter should _____. a. continue ... Started by saliriagwu	1 Replies 37 Views	Jul 24, 2018 by xiazhe
Which of these is a true statement regarding availability for work? a. It is okay to be absent as ... Started by K@	3 Replies 20 Views	Jul 24, 2018 by Swizqar
The national organization serving teachers and students preparing for careers in technical, skilled, ... Started by TVarnum	1 Replies 73 Views	Jul 24, 2018 by Harbringer
In its history, SkillsUSA has served more than _____. a. 1.5 million members b. 5.5 million ... Started by fnuegbu	1 Replies 15 Views	Jul 24, 2018 by amy.lauersdorf90
A required topic in the OSHA-10 program is _____. a. Focus Four Hazards b. Six Safety Areas c. ... Started by wrbasek0	1 Replies 26 Views	Jul 24, 2018 by aidanmbrowne
A program requiring a trainee to demonstrate the ability to perform job -related tasks is described ... Started by altibaby	3 Replies 133 Views	Jul 24, 2018 by ilianabrrr
In a traditional carpentry apprenticeship program, the total number of OJL hours required is _____. ... Started by jwb375	1 Replies 51 Views	Jul 24, 2018 by courtney_bruh
A variable frequency drive control panel is typically _____. a. removable b. wireless c. ... Started by nmorano1	1 Replies 22 Views	Jul 24, 2018 by elyse44
Which type of motor braking is often used with AC motors being controlled by a variable frequency ... Started by nmorano1	1 Replies 18 Views	Jul 24, 2018 by bblaney
Dropping or piling steel framing members on top of an electrical extension cord could create a(n) ... Started by Yolanda	3 Replies 99 Views	Jul 24, 2018 by Moriaki