Skills and Trades

Replies / Views	Last post
What part of an ECM motor is the most prone to failure? A) The brushes B) The motor windings C) ... Started by LCritchfi	1 Replies 30 Views	Jul 26, 2018 by enass
This symbol represents A) Close on rise pressure switch. B) Open on rise pressure switch. C) ... Started by bio_gurl	1 Replies 62 Views	Jul 26, 2018 by amynguyen1221
This symbol represents A) Light. B) Motor. C) Heater. D) ... Started by serike	1 Replies 32 Views	Jul 26, 2018 by laurnthompson
The component arrangement diagram: A) Shows the operating sequence of the system components. B) ... Started by mpobi80	3 Replies 42 Views	Jul 26, 2018 by lorealeza
Why is there a potential of 24 volts between the R terminal and the other terminals on a thermostat ... Started by saliriagwu	1 Replies 76 Views	Jul 26, 2018 by meltdown117
What other diagrams are similar to point to point diagrams? A) Ladder diagrams and schematic ... Started by appyboo	1 Replies 43 Views	Jul 26, 2018 by AaaA
Installation wiring diagrams are used: A) Showing unit operational sequence. B) Tracing ... Started by Mr3Hunna	1 Replies 61 Views	Jul 26, 2018 by srodz
A technician looking for the 24V coil of a contactor in a schematic diagram would find it in which ... Started by Pineapplelove6	3 Replies 73 Views	Jul 26, 2018 by ultraflyy23
SMAW is most often used in: A) Automatic applications B) Field erection and piping systems C) ... Started by abarnes	1 Replies 15 Views	Jul 26, 2018 by upturnedfurball
SMAW set-up decisions include: A) Polarity B) Amperage C) Arc force D) All of the ... Started by genevieve1028	1 Replies 22 Views	Jul 26, 2018 by Eunice618
Which load(s) are energized all the time, even when the thermostat is not set to heat or cool and ... Started by ishan	1 Replies 57 Views	Jul 26, 2018 by chloejackso
Attributes needed to be a welder include: A) Good eyesight B) Capable of lifting significant ... Started by vicky	3 Replies 23 Views	Jul 26, 2018 by lin77x
In what year was oxyacetylene introduced? A) 1836 B) 1929 C) 1902 D) ... Started by robinn137	1 Replies 25 Views	Jul 26, 2018 by iman
The U.S. Department of Labor's Bureau of Labor and Statistics estimates that there will be nearly ... Started by Alygatorr01285	1 Replies 68 Views	Jul 26, 2018 by vickybb89
The process of combining enamel and copper is: A) Filigree B) Cloisonne' C) Forging D) ... Started by Alygatorr01285	1 Replies 42 Views	Jul 26, 2018 by Beatricemm
At its most basic a control requires A) a voltage source, a path, and a load B) a thermostat and ... Started by gbarreiro	3 Replies 98 Views	Jul 26, 2018 by k.lashomb
One common use for transducers in HVACR is A) Amplifying an electrical signal so that the current ... Started by 09madisonrousseau09	1 Replies 78 Views	Jul 26, 2018 by sultana.d
Soft skills required by welders include: A) Communicate clearly B) Adapt to change C) ... Started by Deast7027	1 Replies 19 Views	Jul 26, 2018 by jojobee318
Since the advent of oxyacetylene welding in 1836, how many welding processes have appeared? A) ... Started by wrbasek0	1 Replies 116 Views	Jul 26, 2018 by kbennett34
Pneumatic controls are most commonly used A) To move air through the duct of forced air systems ... Started by TVarnum	3 Replies 19 Views	Jul 26, 2018 by akpaschal
Direct digital controls (DDC) operate by A) turning relay coils on or off to complete circuits ... Started by Kthamas	1 Replies 40 Views	Jul 26, 2018 by Jossy
The ring around the 6GR all-position pipe is there to ________ the operation. A) Restrict B) ... Started by evelyn o bentley	1 Replies 113 Views	Jul 26, 2018 by trog
An closed loop system A) connects to the main controller through an enclosed conduit B) controls ... Started by Wadzanai	1 Replies 25 Views	Jul 26, 2018 by kthug
Many baby boomers are retiring from the workforce. Indicate whether the statement is true or ... Started by genevieve1028	3 Replies 45 Views	Jul 26, 2018 by lindahyatt42
Many welders are craftsmen or artisans. Indicate whether the statement is true or ... Started by Jramos095	1 Replies 34 Views	Jul 26, 2018 by IAPPLET