Skills and Trades

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The three types of path arrangements for circuits are: A) Micro-voltage, low-voltage, ... Started by savannahhooper	1 Replies 33 Views	Jul 24, 2018 by ong527
Which type of drive is used to make large changes in RPM or torque from the RPM and torque of the ... Started by strangeaffliction	1 Replies 168 Views	Jul 24, 2018 by Brenm
The primary winding of a 120 V transformer has 200 turns. The secondary winding has 20 turns. What ... Started by asmith134	3 Replies 111 Views	Jul 24, 2018 by peilian
What is the advantage of a noncontact voltage detector over a voltmeter? A) It does not have to ... Started by jCorn1234	1 Replies 40 Views	Jul 24, 2018 by robbielu01
You need to de-energize a circuit to work on a unit. To ensure your safety, you should: A) Leave ... Started by dbose	1 Replies 35 Views	Jul 24, 2018 by mammy1697
How is recovering into a receiver accomplished? A) The Schrader valves are replaced with ... Started by dalyningkenk	1 Replies 71 Views	Jul 24, 2018 by nital
What is the heat output of an electric furnace rated at 15 kilowatts on 240 volts? A) The heat ... Started by charchew	3 Replies 40 Views	Jul 24, 2018 by nanny
Electricity that is in motion with a current flow is referred to as: A) Dynamic electricity. B) ... Started by lracut11	1 Replies 74 Views	Jul 24, 2018 by amit
Why are manufacturers replacing relay logic systems with solid-state logic systems? A) ... Started by ghost!	1 Replies 111 Views	Jul 24, 2018 by Sophiapenny
What do the vertical parallel lines on a ladder-type wiring diagram represent? A) The power ... Started by lidoalex	1 Replies 89 Views	Jul 24, 2018 by memslove
Which of the following unit clearances is typically the largest? A) A 6-inch clearance from all ... Started by CharlieWard	3 Replies 20 Views	Jul 24, 2018 by morrie123456
What type of control system has the ability to measure the controlled variable and the system output ... Started by audragclark	1 Replies 34 Views	Jul 24, 2018 by Ksanderson1296
A delta three-phase power supply provides: A) 208 V between the legs. B) 240 V between the legs. ... Started by mcmcdaniel	1 Replies 31 Views	Jul 24, 2018 by amcvicar
A closed-loop system: A) Monitors conditions that it can not control. B) Controls conditions for ... Started by erika	1 Replies 37 Views	Jul 24, 2018 by Ahernandez18
What is the purpose of a photo-electric eye on an ice machine? A) The photo-electric eye detects ... Started by Haya94	3 Replies 79 Views	Jul 24, 2018 by Tabitha_2016
A balanced ventilation system: A) Can be installed with only a single central support in the ... Started by Chelseaamend	1 Replies 21 Views	Jul 24, 2018 by abctaiwan
A heat recovery ventilation system saves energy by: A) Decreasing the size of the indoor ... Started by waynest	1 Replies 20 Views	Jul 24, 2018 by Danny Ewald
Each component in a communicating control system must have its own: A) Microprocessor. B) ... Started by jho37	1 Replies 117 Views	Jul 24, 2018 by katara
Fire dampers are typically required in: A) All commercial buildings with ductwork passing through ... Started by joblessjake	3 Replies 24 Views	Jul 24, 2018 by blazinlyss
How are heat pumps classified? A) By their refrigerant type B) By their cooling source and ... Started by 2125004343	1 Replies 101 Views	Jul 24, 2018 by momo1250
What part of a home most readily loses or gains interior heat? A) The ceiling B) Exterior walls ... Started by c0205847	1 Replies 43 Views	Jul 24, 2018 by CourtneyCNorton
Levels of LEED building certification include: A) Tin, Copper, and Bronze. B) Silver, Gold, and ... Started by nummyann	1 Replies 138 Views	Jul 24, 2018 by nothere
How can a heat pump filter drier be differentiated from a standard filter drier? A) By the shiny, ... Started by codyclark	3 Replies 65 Views	Jul 24, 2018 by TheDev123
What are some differences between a flake ice machine and a cube ice machine? A) The flake ice ... Started by Mr. Wonderful	1 Replies 31 Views	Jul 24, 2018 by gstein359
Of the four phases listed, which one is performed before the others? A) Electrical connection B) ... Started by melly21297	1 Replies 16 Views	Jul 24, 2018 by cascooper22