Skills and Trades

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The auxiliary heat will be energized ________. A) when the heat pump is in the defrost mode or ... Started by j.rubin	1 Replies 27 Views	Jul 26, 2018 by ricroger
The compressor and condenser fan for the reach-in cooler in Fig. 171 is physically located ________. ... Started by anjilletteb	3 Replies 23 Views	Jul 26, 2018 by mistyjohnson
When you test a component with a voltmeter, you should always ensure the power is turned off. ... Started by j.rubin	1 Replies 11 Views	Jul 26, 2018 by Madisongo23
When you test a component with an ohmmeter, you should always ensure the power is turned off. ... Started by Deast7027	1 Replies 18 Views	Jul 26, 2018 by ju
A clamp on ammeter could be used to determine which line of the three lines that supply voltage to a ... Started by waynest	1 Replies 28 Views	Jul 26, 2018 by anyusername12131
A wiring diagram ________. A) shows how each component operates B) shows the location of each ... Started by vicotolentino	3 Replies 59 Views	Jul 26, 2018 by rleezy04
When adding zeotropes, you can throttle the refrigerant using the hand valves on the gauges or add ... Started by deesands	1 Replies 41 Views	Jul 26, 2018 by ciecieme
The triac provides switching similar to that of an SCR, except the triac operates in an AC circuit. ... Started by biggirl4568	1 Replies 92 Views	Jul 26, 2018 by Dinolord
You should get an invitation to a job interview for every single rsum that you send out. Indicate ... Started by OSWALD	1 Replies 31 Views	Jul 26, 2018 by xoxo123
The variable-frequency drive has the ability to change the frequency of voltage sent to a motor to ... Started by penguins	3 Replies 112 Views	Jul 26, 2018 by eliasc0401
A PN junction is forward biased when ________. A) negative voltage is applied to the N-material ... Started by plus1	1 Replies 13 Views	Jul 26, 2018 by EAN94
An isolated output module uses a relay to ensure total isolation. Indicate whether the statement ... Started by londonang	1 Replies 10 Views	Jul 26, 2018 by Kingjoffery
List some of the different ways that homes and buildings may be heated. What will be an ideal ... Started by sc00by25	1 Replies 46 Views	Jul 26, 2018 by peter
How did early man make ice? What will be an ideal response? ... Started by Chelseaamend	3 Replies 23 Views	Jul 26, 2018 by ms_sulzle
What do the terms environmental heating and air conditioning refer to? What will be an ideal ... Started by nramada	1 Replies 20 Views	Jul 26, 2018 by jasonq
Who developed what is referred to as modern air conditioning? What will be an ideal ... Started by maychende	1 Replies 24 Views	Jul 26, 2018 by tuate
Why is panel filter media sometimes coated with a viscous substance? What will be an ideal ... Started by future617RT	1 Replies 15 Views	Jul 26, 2018 by Eunice618
What type of things might an entry-level helper do? What will be an ideal ... Started by jake	3 Replies 26 Views	Jul 26, 2018 by macagn
What are some of the things that a service manager must be able to do? What will be an ideal ... Started by Kikoku	1 Replies 17 Views	Jul 26, 2018 by sylvia
Why should a MERV rating always state the air velocity through the filter? What will be an ideal ... Started by mydiamond	1 Replies 19 Views	Jul 26, 2018 by patma1981
How often do UV lamps need to be replaced? What will be an ideal ... Started by OSWALD	1 Replies 11 Views	Jul 26, 2018 by 6ana001
What is the difference between exhaust air and ventilation air? What will be an ideal ... Started by anjilletteb	3 Replies 16 Views	Jul 26, 2018 by yasmina
How does a building end up with a positive or negative e pressure? What will be an ideal ... Started by luvbio	1 Replies 26 Views	Jul 26, 2018 by Athena23
What precaution should be taken if you find that during the course of the day your uniform becomes ... Started by Redwolflake15	1 Replies 13 Views	Jul 26, 2018 by katkat_flores
When did mass air conditioning of homes with window units begin? What will be an ideal ... Started by Zoey63294	1 Replies 44 Views	Jul 26, 2018 by hugthug12