Skills and Trades

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The low side gauge is called: A) A cold gauge. B) A high pressure gauge. C) A compound gauge. D) ... Started by asd123	3 Replies 120 Views	Jul 26, 2018 by peilian
The smallest incremental markings on analog gauges designed for R410A are generally: A) 20 psi. ... Started by mikaylakyoung	1 Replies 30 Views	Jul 26, 2018 by l.stuut
Ball valves on the end of refrigeration hoses: A) Automatically open and close when the hoses are ... Started by rl	1 Replies 100 Views	Jul 26, 2018 by pallen55
What material is most commonly used today for cold water piping in houses? A) Galvanized iron ... Started by fagboi	1 Replies 32 Views	Jul 26, 2018 by rachel
What material is most commonly used today for hot water piping in houses? A) Copper B) Galvanized ... Started by ishan	3 Replies 25 Views	Jul 26, 2018 by SomethingSomething
In a warehouse, the aisles between racks are designated as _____. a. high-density travel routes ... Started by brutforce	1 Replies 24 Views	Jul 26, 2018 by smrtceo
To receive an injury due to an electrical arc flash, the technician: A) Must complete a circuit ... Started by olgavictoria	1 Replies 51 Views	Jul 26, 2018 by rleezy04
Category I electric meters are safe for working on which types of circuits? A) The circuits ... Started by Destiiny22	1 Replies 65 Views	Jul 26, 2018 by ecox1012
Where are ground fault circuit interrupters required? A) On all electrical circuits B) In wet ... Started by Arii_bell	3 Replies 54 Views	Jul 26, 2018 by Animal_Goddess
What is the difference between a flare for an R-410A system and a flare for an R-22 system? A) ... Started by imowrer	1 Replies 57 Views	Jul 26, 2018 by momo1250
The most accurate dimension on pipe and tubing is: A) The wall thickness. B) The average of the ... Started by ashley	1 Replies 25 Views	Jul 26, 2018 by otokexnaru
If you wish to determine the amount of voltage on an energized device, you should use: A) An ... Started by sarasara	1 Replies 33 Views	Jul 26, 2018 by dreamfighter72
What is the advantage of a non-contact voltage detector over a volt meter? A) It can measure more ... Started by washai	3 Replies 44 Views	Jul 26, 2018 by SomethingSomething
What advantage does a volt meter have over a non-contact voltage indicator when testing for voltage? ... Started by fox	1 Replies 60 Views	Jul 26, 2018 by kmb352
Before changing a fuse, the technician should: A) Make sure the circuit is de-energized. B) ... Started by jake	1 Replies 81 Views	Jul 26, 2018 by Perkypinki
What is a potential complication that is unique to brazing? A) Improper cleaning of the pipe can ... Started by mckennatimberlake	1 Replies 53 Views	Jul 26, 2018 by dlook33
Most air conditioning manufacturers specify that refrigerant lines should be: A) Glued B) Brazed ... Started by Starlight	3 Replies 107 Views	Jul 26, 2018 by Madisongo23
Electricity in motion with a current flow is referred to as: A) Dynamic electricity. B) Potential ... Started by SO00	1 Replies 47 Views	Jul 26, 2018 by uniquea123
Posttensioning of concrete slabs is used to _____. a. reduce the amount of reinforcing steel ... Started by Lisaclaire	1 Replies 37 Views	Jul 26, 2018 by pami445
Electric current that regularly reverses flow is called: A) Alternating current. B) Direct ... Started by jwb375	1 Replies 66 Views	Jul 26, 2018 by rnehls
Electrical potential is: A) The ability of electricity to do work. B) One coulomb of electrons ... Started by DyllonKazuo	3 Replies 38 Views	Jul 26, 2018 by irishcancer18
The stems on manual stem service valves should be turned with: A) A refrigeration service valve ... Started by WhattoUnderstand	1 Replies 127 Views	Jul 26, 2018 by medine
In an electrical circuit, watts are: A) The ability to make current flow. B) One coulomb of ... Started by APUS57	1 Replies 26 Views	Jul 26, 2018 by uniquea123
In an electrical circuit, resistance is: A) The ability of electricity to do work. B) The ... Started by Davideckstein7	1 Replies 34 Views	Jul 26, 2018 by mcabuhat
:When connecting gauges to an already installed and operating unit with split system installation ... Started by jilianpiloj	3 Replies 34 Views	Jul 26, 2018 by SAUXC