Skills and Trades

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Which of the following statements most accurately describes a utility demand reduction p a. Some ... Started by sammy	1 Replies 16 Views	Jul 24, 2018 by cdmart10
Which of the following is a control strategy for operation of a partial-storage HVAC ice storage ... Started by dbose	1 Replies 53 Views	Jul 24, 2018 by mcabuhat
Which of the following is not an advantage of wood as a building material? a. It is relatively ... Started by jlmhmf	3 Replies 48 Views	Jul 24, 2018 by Dnite
Which grade of hardboard can be used in exterior applications? a. Standard b. Particleboard c. ... Started by Kikoku	1 Replies 21 Views	Jul 24, 2018 by Rilsmarie951
Which of these types of engineered lumber would be more likely to be used for millwork than as ... Started by drink	1 Replies 17 Views	Jul 24, 2018 by macagn
The abbreviation CMU stands for _____. a. concrete masonry unit b. compact masonry unit c. ... Started by fox	1 Replies 104 Views	Jul 24, 2018 by Pariscourtney
Which of the following statements about converting a system from one refrigerant to another is ... Started by armygirl	3 Replies 61 Views	Jul 24, 2018 by welcom1000
Which of the following refrigerant conversions is not considered a drop-in? a. HFC-134a for ... Started by magmichele12	1 Replies 58 Views	Jul 24, 2018 by SeanoH09
The main difference between an ERV and an HRV is the _____. a. way the heat exchanger core works ... Started by acc299	1 Replies 16 Views	Jul 24, 2018 by britb2u
A building project's stability depends upon the stability of the _____. a. soil b. footings c. ... Started by anjilletteb	1 Replies 70 Views	Jul 24, 2018 by shaikhs
If water begins to accumulate in a trench where you are at work, you should _____. a. inform your ... Started by imanialler	3 Replies 10 Views	Jul 24, 2018 by bhavsar
To determine the suitability of a site for building, geotechnical engineers measure the soil's ... Started by Charlie	1 Replies 33 Views	Jul 24, 2018 by jessofishing
To blow molten metal away, the A-CAC process uses jets of _____. a. carbon dioxide b. nitrogen ... Started by dbose	1 Replies 30 Views	Jul 24, 2018 by amit
To ensure that molten metal is blown away from the cut, the A-CAC operator should set the air ... Started by amal	1 Replies 72 Views	Jul 24, 2018 by josephsuarez
When the emergency heat feature of a heat pump is activated, the usual effect on the heat pump is ... Started by KWilfred	3 Replies 90 Views	Jul 24, 2018 by Zack0mack0101@yahoo.com
The start and termination of the defrost mode is usually based on _____. a. time and/or coil ... Started by ec501234	1 Replies 24 Views	Jul 24, 2018 by batool
Before replacing parts such as bits, blades, or discs on any tool, you must _____. a. polish it ... Started by magmichele12	1 Replies 15 Views	Jul 24, 2018 by leahchrapun
When using a circular saw, be sure to cut on the waste side of the cut mark to allow for the blade's ... Started by SGallaher96	1 Replies 25 Views	Jul 24, 2018 by JaynaD87
A low-velocity fastening system that is used to drive steel pins or threaded studs into masonry and ... Started by sam.t96	3 Replies 34 Views	Jul 24, 2018 by tofugiraffe
Incomplete combustion is the result of _____. a. an excess of carbon dioxide b. a lack of carbon ... Started by EY67	1 Replies 69 Views	Jul 24, 2018 by mammy1697
The function of a thermocouple in a gas valve is to _____. a. ignite the fuel when the gas valve ... Started by karen	1 Replies 18 Views	Jul 24, 2018 by nothere
When pressurizing a system for leak testing, the only refrigerant that can be used as a trace gas is ... Started by Capo	1 Replies 38 Views	Jul 24, 2018 by zenzy
Which of the following situations typically prevents the use of the push-pull method of refrigerant ... Started by ec501234	3 Replies 28 Views	Jul 24, 2018 by lolol
Charging by superheat is performed on systems that use a _____. a. fixed-orifice metering device ... Started by Pea0909berry	1 Replies 30 Views	Jul 24, 2018 by katieost
If the compressor will not operate in the cooling mode, the best thing to do is _____. a. ... Started by NClaborn	1 Replies 27 Views	Jul 24, 2018 by bobsmith