Skills and Trades

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On an induced draft furnace, a draft switch that will not close will A) Cause the induced draft ... Started by ec501234	1 Replies 70 Views	Jul 27, 2018 by Ahernandez18
The grades of fuel oil are 1 through 6 with A) 6 being the lightest and most distilled and having ... Started by j.rubin	3 Replies 19 Views	Jul 27, 2018 by vickybb89
Medium carbon steel contains ________ carbon. A) 0.30-0.59 B) Over 0.60 C) 0.75-1.00 D) ... Started by haleyc112	1 Replies 49 Views	Jul 27, 2018 by jessofishing
Brinell hardness testing measures the depth of penetration. Indicate whether the statement is ... Started by nevelica	1 Replies 38 Views	Jul 27, 2018 by lauravaras
When can a one-pipe oil delivery system be used successfully? A) When using a low firing rate ... Started by CharlieWard	1 Replies 50 Views	Jul 27, 2018 by yuyiding
Factors that contribute to hydrogen cracking are: A) Oil, grease, or paint B) Moisture absorbed ... Started by nautica902	3 Replies 42 Views	Jul 27, 2018 by 1_Step_At_ATime
The over fire draft of an oil furnace is regulated by A) The forced draft blower B) The ... Started by jon_i	1 Replies 92 Views	Jul 27, 2018 by patma1981
Why should an outdoor oil storage tank be kept as full as possible in cold weather? A) To ... Started by kamilo84	1 Replies 22 Views	Jul 27, 2018 by Kaytorgator
Sealed combustion oil furnaces use A) Special sealed air-tight barometric draft regulators B) A ... Started by Pea0909berry	1 Replies 32 Views	Jul 27, 2018 by Hikerman221
Number the sequence of events to start the oil burner A. Primary control starts burner motor and ... Started by jho37	3 Replies 85 Views	Jul 27, 2018 by shailee
When testing combustion efficiency, the technician should measure A) Oil pump pressure, stack ... Started by Frost2351	1 Replies 35 Views	Jul 27, 2018 by jaymee143
________ block high-frequency signals and conduct low-frequency signals, while ________ do the ... Started by ssal	1 Replies 42 Views	Jul 27, 2018 by Edwyer
Using a ________ technique with GMAW is avoided because it draws atmosphere into the arc, which ... Started by fagboi	1 Replies 13 Views	Jul 27, 2018 by jlaineee
When installing an oil fired furnace in a confined space with a firing rate of 100,000 Btuh, what is ... Started by Capo	3 Replies 34 Views	Jul 27, 2018 by macagn
The number 2 in the AWS classification system for titanium filler metals refers to: A) Extra-low ... Started by K@	1 Replies 29 Views	Jul 27, 2018 by kaykay69
Which measurements are the most important when setting up a new oil furnace? A) Ambient ... Started by abarnes	1 Replies 19 Views	Jul 27, 2018 by sabina576
What is the difference in equivalent length of an 8-inch connector between a 45 degree ell and a 90 ... Started by madam-professor	1 Replies 194 Views	Jul 27, 2018 by poopface
Where should the draft regulator be installed in the chimney connector? A) Close to the furnace ... Started by fox	3 Replies 45 Views	Jul 27, 2018 by lin77x
Power for the mini-split system is supplied: A) To the outdoor unit which powers the indoor unit. ... Started by nmorano1	1 Replies 64 Views	Jul 27, 2018 by BUTTHOL369
The bottom side of the reference line is arrow side. Indicate whether the statement is true or ... Started by faduma	1 Replies 28 Views	Jul 27, 2018 by meow1234
On a plug welding symbol, if no depth is given, the hole is to be filled all the way. Indicate ... Started by amal	1 Replies 24 Views	Jul 27, 2018 by brittanywood
The welding inspector will use ________ in performance of his/her job. A) Standards B) ... Started by JGIBBSON	3 Replies 16 Views	Jul 27, 2018 by bigcheese9
Where is a Salamander used? A) They are used to pre-heat the return air in air source heat pumps ... Started by Starlight	1 Replies 34 Views	Jul 27, 2018 by ryhom
The grouping of F6 indicates all position fillet welding. Indicate whether the statement is true ... Started by panfilo	1 Replies 23 Views	Jul 27, 2018 by mistyjohnson
Standard wyes and tees are not used in VRF refrigeration networks as they introduce turbulence and ... Started by Jipu 123	1 Replies 60 Views	Jul 27, 2018 by jgranad15