Skills and Trades

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Where is mineral insulated (MI) heating cable used? A) To make the heating elements in baseboard ... Started by Tirant22	3 Replies 51 Views	Jul 27, 2018 by nothere
The standard wattage rating of electric baseboard heaters is A) 150 watts per foot B) 250 watts ... Started by jake	1 Replies 91 Views	Jul 27, 2018 by Li Jun
Fillet weld tests consist of: A) Break test B) Leg size C) Cut and etch D) All of the ... Started by tiara099	1 Replies 23 Views	Jul 27, 2018 by Zebsrer
Which is more suitable for large commercial type applications? A) oil or kerosene heating source ... Started by saraeharris	1 Replies 17 Views	Jul 27, 2018 by bitingbit
One advantage to dye penetrant inspection is high sensitivity. Indicate whether the statement is ... Started by CharlieWard	3 Replies 20 Views	Jul 27, 2018 by meow1234
Flare connections are used on mini-split systems to avoid oxidation in the lines and also to avoid ... Started by nelaaney	1 Replies 62 Views	Jul 27, 2018 by Zack0mack0101@yahoo.com
Output control comes in several types that include: A) Magnetic control B) Tap select C) Solid ... Started by Awilson837	1 Replies 54 Views	Jul 27, 2018 by blakeserpa
The use of silicon-controlled rectifiers allows: A) Welding current upslope and downslope control ... Started by stephzh	1 Replies 28 Views	Jul 27, 2018 by bulacsom
An atom with a full valence shell is an insulator. Indicate whether the statement is true or ... Started by luminitza	3 Replies 64 Views	Jul 27, 2018 by ntsoane kedibone
In North America alternating current has a frequency of 60 cycles per second. Indicate whether ... Started by s.tung	1 Replies 40 Views	Jul 27, 2018 by maya.nigrin17@yahoo.com
________ is the measure of energy produced by the flow of electrical current. A) Wattage B) ... Started by codyclark	1 Replies 71 Views	Jul 27, 2018 by kaillie
The power wire for an electric furnace should be A) No larger than 10 AWG in order to avoid ... Started by AEWBW	1 Replies 127 Views	Jul 27, 2018 by jsm54321
When measuring the resistance of relay coil it should be removed from the circuit and measure: A) ... Started by rlane42	3 Replies 232 Views	Jul 27, 2018 by spencer.martell
What happens when furnaces are installed on lower voltage supplies? A) Nothing happens when ... Started by altibaby	1 Replies 13 Views	Jul 27, 2018 by ladyjames123
When checking an electric furnace, the technician should check A) The loops per inch of each ... Started by eruditmonkey@yahoo.com	1 Replies 27 Views	Jul 27, 2018 by blfontai
When replacing a transformer, the technician should always check A) The 24 volt control circuit ... Started by tiara099	1 Replies 79 Views	Jul 27, 2018 by LP
The outdoor coil is the evaporator in A) The heating cycle B) The cooling cycle C) Both the ... Started by NClaborn	3 Replies 144 Views	Jul 27, 2018 by chloejackso
The heat sink for a heat pump A) is the cool medium that the evaporator draws heat out of B) is ... Started by krzymel	1 Replies 130 Views	Jul 27, 2018 by stanleka1
The heat sink for a water source heat pump is A) the air inside the house B) the air outside the ... Started by jazziefee	1 Replies 85 Views	Jul 27, 2018 by Sammyo
Most heat pumps have two metering devices because A) one metering device serves as a backup to ... Started by Frost2351	1 Replies 22 Views	Jul 27, 2018 by ttt030911
How does a liquid line filter drier designed for heat pump use differ from a standard liquid line ... Started by stephzh	3 Replies 105 Views	Jul 27, 2018 by Sophiapenny
Liquid floodback commonly occurs on air source heat pumps A) when the liquid filter drier is ... Started by jrubin	1 Replies 100 Views	Jul 27, 2018 by ankilker
Which terminal controls second stage heat on most heat pumps? A) W terminal B) G terminal C) O/B ... Started by dakota nelson	1 Replies 99 Views	Jul 27, 2018 by Kdiggy
Why does an air source heat pump system's heating capacity decrease as the outdoor temperature ... Started by Hungry!	1 Replies 69 Views	Jul 27, 2018 by jojobee318
An electric furnace that operates, but produces less heat than it used to produce. Which of the ... Started by scienceeasy	3 Replies 114 Views	Jul 27, 2018 by Ksh22