Skills and Trades

Replies / Views	Last post
Chain slings are normally used for _____. a. lifting fragile objects b. lifting rough castings ... Started by mikaylakyoung	3 Replies 52 Views	Jul 24, 2018 by princessflame2016
The part of the ratchet-lever hoist that is used to let out the chain without using the ratchet ... Started by segrsyd	1 Replies 36 Views	Jul 24, 2018 by kilada
Shovels typically have handles made of wood or _____. a. aluminum b. steel c. fiberglass d. ... Started by stevenposner	1 Replies 27 Views	Jul 24, 2018 by cupcake16
One situation that can make a measurement with a laser inaccurate is measuring to a _____. a. ... Started by Beheh	1 Replies 15 Views	Jul 24, 2018 by Sammyo
Wrapping an energized conductor around an iron bar creates a(n) _____. a. electromagnet b. ... Started by armygirl	3 Replies 5 Views	Jul 24, 2018 by yahahah24021
How much power is consumed by a circuit with a 120V source that draws 18A through a resistive load? ... Started by elizabeth18	1 Replies 12 Views	Jul 24, 2018 by al
Which instrument is used to check if a circuit is closed or intact, but doesn't provide any accurate ... Started by dalyningkenk	1 Replies 59 Views	Jul 24, 2018 by pikon
Started by newyorker26	1 Replies 77 Views	Jul 24, 2018 by trog
A short circuit is one in which _____. a. the current bypasses the load b. the wiring is not ... Started by ericka1	3 Replies 16 Views	Jul 24, 2018 by kescobar@64
Started by abc	1 Replies 67 Views	Jul 24, 2018 by miss.ashley
When taking compressor current readings, it should be done at the _____. a. compressor contactor ... Started by dbose	1 Replies 42 Views	Jul 24, 2018 by TheDev123
A compressor may not be able to start if _____. a. the high- and low-side pressures are equalized ... Started by james	1 Replies 12 Views	Jul 24, 2018 by Ddddd
What characteristic must a refrigerant have if it is used as a drop-in replacement for another ... Started by jerry coleman	3 Replies 31 Views	Jul 24, 2018 by canderson530
The refrigerant that has primarily replaced CFC-12 is _____. a. HFC-134a b. HFC-411 c. HCFC-22A ... Started by ap345	1 Replies 23 Views	Jul 24, 2018 by bulacsom
What must be done when charging a system that contains a near-azeotropic refrigerant? a. Charging ... Started by ETearle	1 Replies 70 Views	Jul 24, 2018 by vseab
Which refrigerant will likely become scarce after the year 2020? a. HCFC-123 b. HFC-410A c. ... Started by mikaylakyoung	1 Replies 21 Views	Jul 24, 2018 by fffftttt
Dielectric strength is the ability of an oil to resist breakdown caused by _____. a. voltage b. ... Started by olgavictoria	3 Replies 27 Views	Jul 24, 2018 by kmb352
A refrigeration system in which the hot discharge gas from the compressor can be diverted from the ... Started by arivle123	1 Replies 26 Views	Jul 24, 2018 by Alyson.hiatt@yahoo.com
Started by jCorn1234	1 Replies 76 Views	Jul 24, 2018 by randomguy133
Started by go.lag	1 Replies 77 Views	Jul 24, 2018 by welcom1000
The most common type of exterior finish is _____. a. vinyl siding b. aluminum siding c. wood ... Started by dakota nelson	3 Replies 27 Views	Jul 24, 2018 by k2629
The ultimate responsibility for workplace safety _____. a. is determined by company policies b. ... Started by acc299	1 Replies 13 Views	Jul 24, 2018 by nixon_s
The recommended method for applying the first layer of a built-up roof to prevent seepage of tar ... Started by rlane42	1 Replies 8 Views	Jul 24, 2018 by tandmlomax84
In most cases, plasma arc cutting is _____. a. slower and less efficient than other cutting ... Started by LaDunn	1 Replies 24 Views	Jul 24, 2018 by katara
The simplest plasma arc cutting units use filtered _____. a. carbon dioxide b. nitrogen c. ... Started by Sufayan.ah	3 Replies 68 Views	Jul 24, 2018 by jrpg123456